1. David Vishnia developed an incubator that closely mimics the natural incubation process of parrots to overcome situations where female parrots neglect or abandon their eggs.
2. Key aspects of the natural process, like evenly distributed heat from above the eggs, automatic egg rolling, and humidity control were implemented.
3. Testing found that temperature and humidity fluctuate naturally, aiding embryo development, so the incubator aims to accurately emulate these conditions for optimal hatching results.
1) The study investigated how energy usage is affected by temperature during development in Drosophila melanogaster. It found that the ratio of post-hatch survival time to embryonic development time remained consistent across temperatures, indicating energy usage scales evenly with developmental rate independent of temperature.
2) Examining mutants in metabolic genes, it was found that hatching and arrest times responded similarly to temperature as wildtype. However, the Thor mutant survived proportionally longer than wildtype and other mutants following hatching, suggesting it may regulate developmental rate.
3) Further time-lapse analysis of embryogenesis in the Thor mutant is needed to confirm its role in controlling developmental rate and maintaining uniform timing despite environmental stresses.
This document provides guidelines for brooding chicks during the first 14 days to optimize breeder development. The brooding period is critical for development of the immune, digestive, skeletal, and thermoregulation systems. Improper brooding can negatively impact livability, uniformity, and long-term flock performance. The seven fundamentals of brooding management are pre-placement preparation, feed management, light management, water management, temperature management, air quality/ventilation, and grading the young flock. Attention to these factors is important to achieve target body weights and maximize breeder performance.
This document discusses brooding, which is the process of rearing baby chicks. It defines brooding and outlines its importance for chick development. It then describes pre-brooding management including cleaning the poultry house before chick placement and establishing proper temperature and humidity. The document classifies brooding into natural brooding using broody hens or artificial brooding using brooders. It details different types of brooders including infrared bulbs, gas brooders, and battery brooders. The document emphasizes maintaining appropriate temperatures and ventilation during brooding.
3 e model copy 2 edited final untuk postJauha Hanafi
This document discusses transpiration in plants and an experiment measuring transpiration rates under different temperatures. It begins with background on transpiration, the process by which plants release excess water from their leaves into the air. An experiment is then described that measures the temperature and humidity near two plants (Set A and B) under different lamp intensities (60W and 100W) over 16 minutes using temperature and humidity sensors connected to a data logger. The results show both temperature and humidity decreasing more in Set B with the higher lamp intensity. Discussions analyze the temperature and humidity changes between the sets and determine Set B had a higher transpiration rate due to its higher temperature.
Brooding is the process of caring for young chicks through providing optimal environmental conditions after hatching until they are 3-4 weeks old. It involves controlling temperature, humidity, ventilation, lighting, sanitation and other factors to allow for the proper growth and development of young chicks. Brooding can be done naturally with a broody hen or artificially using a brooder, which is a poultry house fitted with heating equipment to deliver controlled heat. Different types of brooders include hover, infrared, electric, gas, incandescent, and coal brooders. Careful management of brooding conditions and practices is important for chick health and survival.
This document provides guidance on brooding and rearing chickens. It discusses maintaining optimal brooding temperatures between 33-35°C for chicks using brooders or heat lamps. Supplementary heat can be discontinued around 4 weeks. It recommends cleaning and preparing the brooding area in advance with adequate space, feeders, and drinkers. Feeding should start with starter feed containing 18-20% protein and transition to grower and laying feeds. Cold brooders can also be used as an alternative brooding method for small flocks. Proper temperatures, ventilation, cleaning and observation are essential to ensure good growth and health of the chickens.
This document discusses brooding management for chicks in their first week of life. It covers the aims of brooding including maintaining body temperature and growth. Natural and artificial brooding systems are described. Quality chick requirements like activity level and weight are outlined. Pre-brooding preparation and requirements during brooding like temperature, lighting, feeders and drinkers are also reviewed. Litter management and a sample medication program are provided. The key goals of brooding success by 7 days are less than 0.5% mortality and 4.5 times the initial chick weight.
1) The study investigated how energy usage is affected by temperature during development in Drosophila melanogaster. It found that the ratio of post-hatch survival time to embryonic development time remained consistent across temperatures, indicating energy usage scales evenly with developmental rate independent of temperature.
2) Examining mutants in metabolic genes, it was found that hatching and arrest times responded similarly to temperature as wildtype. However, the Thor mutant survived proportionally longer than wildtype and other mutants following hatching, suggesting it may regulate developmental rate.
3) Further time-lapse analysis of embryogenesis in the Thor mutant is needed to confirm its role in controlling developmental rate and maintaining uniform timing despite environmental stresses.
This document provides guidelines for brooding chicks during the first 14 days to optimize breeder development. The brooding period is critical for development of the immune, digestive, skeletal, and thermoregulation systems. Improper brooding can negatively impact livability, uniformity, and long-term flock performance. The seven fundamentals of brooding management are pre-placement preparation, feed management, light management, water management, temperature management, air quality/ventilation, and grading the young flock. Attention to these factors is important to achieve target body weights and maximize breeder performance.
This document discusses brooding, which is the process of rearing baby chicks. It defines brooding and outlines its importance for chick development. It then describes pre-brooding management including cleaning the poultry house before chick placement and establishing proper temperature and humidity. The document classifies brooding into natural brooding using broody hens or artificial brooding using brooders. It details different types of brooders including infrared bulbs, gas brooders, and battery brooders. The document emphasizes maintaining appropriate temperatures and ventilation during brooding.
3 e model copy 2 edited final untuk postJauha Hanafi
This document discusses transpiration in plants and an experiment measuring transpiration rates under different temperatures. It begins with background on transpiration, the process by which plants release excess water from their leaves into the air. An experiment is then described that measures the temperature and humidity near two plants (Set A and B) under different lamp intensities (60W and 100W) over 16 minutes using temperature and humidity sensors connected to a data logger. The results show both temperature and humidity decreasing more in Set B with the higher lamp intensity. Discussions analyze the temperature and humidity changes between the sets and determine Set B had a higher transpiration rate due to its higher temperature.
Brooding is the process of caring for young chicks through providing optimal environmental conditions after hatching until they are 3-4 weeks old. It involves controlling temperature, humidity, ventilation, lighting, sanitation and other factors to allow for the proper growth and development of young chicks. Brooding can be done naturally with a broody hen or artificially using a brooder, which is a poultry house fitted with heating equipment to deliver controlled heat. Different types of brooders include hover, infrared, electric, gas, incandescent, and coal brooders. Careful management of brooding conditions and practices is important for chick health and survival.
This document provides guidance on brooding and rearing chickens. It discusses maintaining optimal brooding temperatures between 33-35°C for chicks using brooders or heat lamps. Supplementary heat can be discontinued around 4 weeks. It recommends cleaning and preparing the brooding area in advance with adequate space, feeders, and drinkers. Feeding should start with starter feed containing 18-20% protein and transition to grower and laying feeds. Cold brooders can also be used as an alternative brooding method for small flocks. Proper temperatures, ventilation, cleaning and observation are essential to ensure good growth and health of the chickens.
This document discusses brooding management for chicks in their first week of life. It covers the aims of brooding including maintaining body temperature and growth. Natural and artificial brooding systems are described. Quality chick requirements like activity level and weight are outlined. Pre-brooding preparation and requirements during brooding like temperature, lighting, feeders and drinkers are also reviewed. Litter management and a sample medication program are provided. The key goals of brooding success by 7 days are less than 0.5% mortality and 4.5 times the initial chick weight.
This document discusses various tools and techniques for analyzing problems in hatcheries. It begins by outlining potential issues that can arise between different departments in the poultry production process. It then provides details on various pieces of equipment that can be used to collect data on hatchery performance, including tools for measuring egg temperature, airflow, humidity, and more. Finally, it discusses key hatchery targets and optimal conditions for incubation, including proper egg weight loss and hatch window.
Incubation method, types of incubators and seasonal hatching (1)Dr Muhammad Umar Aziz
There are two types of incubation: natural incubation where a hen sits on eggs, and artificial incubation using machines. Proper incubation requires maintaining egg temperatures around 100°F and humidity between 60-80% over the 21 day period. Artificial incubators precisely control temperature, humidity, ventilation, and egg turning to replicate the natural broody hen environment and allow for successful embryonic development and hatching. Temperature and humidity are the most important factors to regulate.
Incubation is the act of bringing an egg to hatching. It refers to the process by which certain oviparous ( egg-laying) animals (birds) hatch their egg. It also refers to the development of an embryo within the egg under favourable environmental condition. Incubating chicken eggs is a 21- days process and demands favourable conditions of principal affecting factors like temperature, humidity etc., Incubation may be of two different types: 1. Natural Incubation 2. Artificial Incubation
This document discusses factors that affect hatchability of eggs, including selection of hatching eggs, incubation temperature and humidity, ventilation, and turning of eggs. The optimal incubation temperature is 37.5-39°C, humidity should allow for 11-12% egg weight loss, and eggs are typically turned 4 times daily for the first 18 days then placed horizontally without turning for the last 3 days prior to hatching. Proper temperature, humidity, ventilation and egg handling are essential for high hatchability.
Egg Incubators - How They Work and What to Look For When Shopping For Onesidepuffin6
Egg incubators work to imitate the natural incubation process of hens by maintaining consistent temperature and humidity levels and periodically turning the eggs. Proper ventilation and temperature control help prevent issues like excess moisture in the shell. Incubators come in various sizes for different production needs, from small home models to large commercial cabinets. Automated features like temperature regulation, humidity control, and egg turning mechanisms take the manual labor out of incubation. Incubators provide an efficient way to hatch eggs and sustain stock without relying on hens to naturally incubate eggs.
This document discusses incubation, hatching, brooding, and the requirements for each process. It describes:
1) The two types of incubation - natural incubation using a broody hen or artificial incubation using an incubator. Requirements for each like temperature, humidity, ventilation and egg turning are explained.
2) The parts and functioning of an incubator including the setter and hatcher sections. Forced air and still air incubators are also defined.
3) Testing incubated eggs on days 5-7 and 17-18 using candling to remove infertile or dead embryos.
4) The definition and purpose of brooding young chicks. The types of brooding - natural using a hen or artificial using
This document discusses key considerations for hatchery design and operation. It recommends laying out facilities to minimize walking distances and avoid cross-contamination. Specific areas like egg receiving, incubation, and chick handling are examined. Proper temperature, humidity, ventilation and egg turning are essential incubation factors. Good sanitation, egg selection and handling also impact hatchability. Overall the document provides guidance on facility layout and best practices for incubation to achieve cost-effective hatchery operation.
Sprouts and Wheatgrass Production and MarketingElisaMendelsohn
This document provides information about sprout and wheatgrass production and marketing. It discusses two main production methods used for sprouts - using trash cans and gallon jars on home-built racks, or large-scale production using insulated rotating bins controlled by computers. The document outlines the basic sprout production process, including soaking seeds, draining, rinsing, and harvesting sprouts. It also discusses organic production, sanitation concerns and regulations, and sources for further information.
The document discusses proper management during the first 48 hours of a chick's life to maximize performance, immunity, and livability. Key aspects that are essential to avoid stress include maintaining the correct temperatures and humidity levels within the thermo neutral zone, adequate ventilation, a 23-hour lighting program, access to clean water, and consumption of a nutrient-rich starter feed. Proper early management is critical to ensure the full development of the immune, thyroid, and digestive systems and allow the chicks to reach their genetic performance potential.
Heat distribution under microwave heating treatmentjournalBEEI
This paper presents the process of microwave heating treatment to kill the rice weevil to improve the quality and quantity of rice for industrial storage purpose. Since many years ago, heat uniformity has been a major drawback of microwave heating application. The heat distribution in rice after undergoing four treatments with a microwave frequency of 2.4 GHz at the different power level of 540 and 900W with different time treatment of 50 and 80 seconds are shown in this paper. The samples are placed inside a square container, 8.5 cm x 8.5 cm x 2 cm. Each sample contains 15 adults of rice weevil of Sitophilus Oryzae placed randomly in the container and the mortality of the rice weevil for adult stages from each treatment are observed and interpreted in Analysis of Variance (ANOVA) technique.
This document provides guidance on broiler chicken management. It discusses preparing the housing with proper space, ventilation, and biosecurity measures. Key topics covered include management during brooding such as temperature control and monitoring early performance. Vaccination schedules and controlling heat stress and common diseases are also outlined. The overall document emphasizes proper preparation of housing and equipment, maintaining optimal temperatures and humidity during brooding, and monitoring health and growth to maximize broiler chicken welfare and production.
Broiler management by DR. Md. Ramzan AliRamzan Dvm
This document provides information on broiler chicken management. It discusses topics like house preparation, brooding management, water and litter management, vaccination schedules, and heat stress control. Key points include maintaining proper temperatures and humidity for chicks, using litter depths of 2-3 inches in winter and 4-5 inches in summer, vaccinating for diseases like ND and IBD, and controlling heat stress through ventilation and cooling to reduce heat index below 160. Monitoring early chick performance through weekly weighings is also recommended.
Heat processing techniques like pasteurization and appertization are used to destroy microorganisms in food. [1] Pasteurization exposes food to heat for a shorter time at lower temperatures from 60-80°C to eliminate pathogens or extend shelf life. [2] Appertization subjects food to higher heat processing to achieve commercial sterility, making the food microbiologically stable at room temperature for a long shelf life. [3] Factors like heat penetration rate, microbial resistance as measured by D-value and Z-value, and food composition impact the effectiveness of heat treatments.
An incubator provides optimal conditions for growth of organisms by maintaining constant temperature, humidity, and other environmental factors. It consists of an insulated cabinet with a control panel to regulate temperature, shelves to hold cultures, and filters. Incubators are used in microbiology labs and hospitals to cultivate microorganisms and care for premature infants. They must be regularly calibrated and validated to ensure accurate temperature, humidity, and other readings. Common types include CO2, shaking, and anaerobic incubators used for specific growth conditions. Proper operation and cleaning are important to avoid temperature fluctuations or contamination.
Hatchability is influenced by many factors including fertility, embryo metabolism, incubation temperature and humidity, oxygen requirements, egg handling and nutrition. Maintaining optimal temperatures of 99.5°F from days 1-19 and 89-99°F on days 20-21 is important as is humidity between 50-60%. Proper egg selection, storage, turning and nutrition can also impact hatchability. Genetics, diseases and other environmental stresses like high altitude can affect fertility and embryonic development.
The document provides guidelines for maintaining optimal incubation temperature, humidity, ventilation, and moisture levels for hatching eggs. Key points include:
- Maintain an incubation temperature of 99-102°F, with 100-101°F ideal, measured at egg level. Overheating damages embryos more than underheating.
- Humidity should be 50-55% for most of incubation, rising to 60-65% for the final 3 days to aid hatching. Moisture is provided by a water pan under the eggs.
- Ventilation increases as incubation progresses, with vents fully open the last 3 days to allow gas exchange while maintaining proper humidity.
Maintenance of environmental conditions during rearing of silkworms.pptxKUNTAMALLASUJATHA
This slide share helps the sericulturist to maintain favourable environmental conditions for silkworm development and also to prevent disease attack as silkworms are delicate and sensitive to the environmental factors prevailing during silkworm rearing.
Genetic progress over the last 10 years has steadily improved broiler economic performance. One component of this is growth potential which has increased each year by 60 grams at six weeks of age. In order to achieve a standard processing weight (of e.g. 2kg), the age at which a flock of broilers are killed has fallen by, on average, 1 day per year over this time. Birds of 2kg that were killed at 49 days in 1988 are now killed at 39 days.
The consequence of this change is that the brooding period now takes up a much bigger proportion of the whole growing period and is more important in the final performance of the flock. Over the same 10 year period, the equipment used in brooding and starting chickens has changed, and some of these changes have significant consequences for the well-being of the day-old chick.
Our customers have become more focussed on the predictability of performance and uniformity of the product at all stages, especially in the processing plant. Many features of broiler management can affect uniformity and, in some cases, small changes in management technique can make a previously unimportant factor critical (e.g. the need for more feeding space once feed intake control is initiated) This Ross Tech is aimed at encouraging better general management and especially brooding management for broiler flocks, to improve performance and uniformity
Pas Reform Academy has dedicated more than 30 years to studying the needs of the growing embryo: to understanding the effects of genetic advancement on the performance of our commercial poultry breeds. Extensive scientific knowledge combines with decades of practical, hands-on hatchery experience – to meet new and emerging challenges in the modern hatchery.
1. David Vishnia developed an innovative incubator that closely mimics the natural incubation process through features like evenly distributed heating, automated egg rolling, and humidity control.
2. Testing found temperature fluctuates naturally between 35-39°C and humidity levels affect egg weight loss, so the incubator aims to control these factors for optimal hatching.
3. Reviews from experts praise the incubator's accuracy, reliability, and ability to match or improve upon natural breeding results.
This document discusses various tools and techniques for analyzing problems in hatcheries. It begins by outlining potential issues that can arise between different departments in the poultry production process. It then provides details on various pieces of equipment that can be used to collect data on hatchery performance, including tools for measuring egg temperature, airflow, humidity, and more. Finally, it discusses key hatchery targets and optimal conditions for incubation, including proper egg weight loss and hatch window.
Incubation method, types of incubators and seasonal hatching (1)Dr Muhammad Umar Aziz
There are two types of incubation: natural incubation where a hen sits on eggs, and artificial incubation using machines. Proper incubation requires maintaining egg temperatures around 100°F and humidity between 60-80% over the 21 day period. Artificial incubators precisely control temperature, humidity, ventilation, and egg turning to replicate the natural broody hen environment and allow for successful embryonic development and hatching. Temperature and humidity are the most important factors to regulate.
Incubation is the act of bringing an egg to hatching. It refers to the process by which certain oviparous ( egg-laying) animals (birds) hatch their egg. It also refers to the development of an embryo within the egg under favourable environmental condition. Incubating chicken eggs is a 21- days process and demands favourable conditions of principal affecting factors like temperature, humidity etc., Incubation may be of two different types: 1. Natural Incubation 2. Artificial Incubation
This document discusses factors that affect hatchability of eggs, including selection of hatching eggs, incubation temperature and humidity, ventilation, and turning of eggs. The optimal incubation temperature is 37.5-39°C, humidity should allow for 11-12% egg weight loss, and eggs are typically turned 4 times daily for the first 18 days then placed horizontally without turning for the last 3 days prior to hatching. Proper temperature, humidity, ventilation and egg handling are essential for high hatchability.
Egg Incubators - How They Work and What to Look For When Shopping For Onesidepuffin6
Egg incubators work to imitate the natural incubation process of hens by maintaining consistent temperature and humidity levels and periodically turning the eggs. Proper ventilation and temperature control help prevent issues like excess moisture in the shell. Incubators come in various sizes for different production needs, from small home models to large commercial cabinets. Automated features like temperature regulation, humidity control, and egg turning mechanisms take the manual labor out of incubation. Incubators provide an efficient way to hatch eggs and sustain stock without relying on hens to naturally incubate eggs.
This document discusses incubation, hatching, brooding, and the requirements for each process. It describes:
1) The two types of incubation - natural incubation using a broody hen or artificial incubation using an incubator. Requirements for each like temperature, humidity, ventilation and egg turning are explained.
2) The parts and functioning of an incubator including the setter and hatcher sections. Forced air and still air incubators are also defined.
3) Testing incubated eggs on days 5-7 and 17-18 using candling to remove infertile or dead embryos.
4) The definition and purpose of brooding young chicks. The types of brooding - natural using a hen or artificial using
This document discusses key considerations for hatchery design and operation. It recommends laying out facilities to minimize walking distances and avoid cross-contamination. Specific areas like egg receiving, incubation, and chick handling are examined. Proper temperature, humidity, ventilation and egg turning are essential incubation factors. Good sanitation, egg selection and handling also impact hatchability. Overall the document provides guidance on facility layout and best practices for incubation to achieve cost-effective hatchery operation.
Sprouts and Wheatgrass Production and MarketingElisaMendelsohn
This document provides information about sprout and wheatgrass production and marketing. It discusses two main production methods used for sprouts - using trash cans and gallon jars on home-built racks, or large-scale production using insulated rotating bins controlled by computers. The document outlines the basic sprout production process, including soaking seeds, draining, rinsing, and harvesting sprouts. It also discusses organic production, sanitation concerns and regulations, and sources for further information.
The document discusses proper management during the first 48 hours of a chick's life to maximize performance, immunity, and livability. Key aspects that are essential to avoid stress include maintaining the correct temperatures and humidity levels within the thermo neutral zone, adequate ventilation, a 23-hour lighting program, access to clean water, and consumption of a nutrient-rich starter feed. Proper early management is critical to ensure the full development of the immune, thyroid, and digestive systems and allow the chicks to reach their genetic performance potential.
Heat distribution under microwave heating treatmentjournalBEEI
This paper presents the process of microwave heating treatment to kill the rice weevil to improve the quality and quantity of rice for industrial storage purpose. Since many years ago, heat uniformity has been a major drawback of microwave heating application. The heat distribution in rice after undergoing four treatments with a microwave frequency of 2.4 GHz at the different power level of 540 and 900W with different time treatment of 50 and 80 seconds are shown in this paper. The samples are placed inside a square container, 8.5 cm x 8.5 cm x 2 cm. Each sample contains 15 adults of rice weevil of Sitophilus Oryzae placed randomly in the container and the mortality of the rice weevil for adult stages from each treatment are observed and interpreted in Analysis of Variance (ANOVA) technique.
This document provides guidance on broiler chicken management. It discusses preparing the housing with proper space, ventilation, and biosecurity measures. Key topics covered include management during brooding such as temperature control and monitoring early performance. Vaccination schedules and controlling heat stress and common diseases are also outlined. The overall document emphasizes proper preparation of housing and equipment, maintaining optimal temperatures and humidity during brooding, and monitoring health and growth to maximize broiler chicken welfare and production.
Broiler management by DR. Md. Ramzan AliRamzan Dvm
This document provides information on broiler chicken management. It discusses topics like house preparation, brooding management, water and litter management, vaccination schedules, and heat stress control. Key points include maintaining proper temperatures and humidity for chicks, using litter depths of 2-3 inches in winter and 4-5 inches in summer, vaccinating for diseases like ND and IBD, and controlling heat stress through ventilation and cooling to reduce heat index below 160. Monitoring early chick performance through weekly weighings is also recommended.
Heat processing techniques like pasteurization and appertization are used to destroy microorganisms in food. [1] Pasteurization exposes food to heat for a shorter time at lower temperatures from 60-80°C to eliminate pathogens or extend shelf life. [2] Appertization subjects food to higher heat processing to achieve commercial sterility, making the food microbiologically stable at room temperature for a long shelf life. [3] Factors like heat penetration rate, microbial resistance as measured by D-value and Z-value, and food composition impact the effectiveness of heat treatments.
An incubator provides optimal conditions for growth of organisms by maintaining constant temperature, humidity, and other environmental factors. It consists of an insulated cabinet with a control panel to regulate temperature, shelves to hold cultures, and filters. Incubators are used in microbiology labs and hospitals to cultivate microorganisms and care for premature infants. They must be regularly calibrated and validated to ensure accurate temperature, humidity, and other readings. Common types include CO2, shaking, and anaerobic incubators used for specific growth conditions. Proper operation and cleaning are important to avoid temperature fluctuations or contamination.
Hatchability is influenced by many factors including fertility, embryo metabolism, incubation temperature and humidity, oxygen requirements, egg handling and nutrition. Maintaining optimal temperatures of 99.5°F from days 1-19 and 89-99°F on days 20-21 is important as is humidity between 50-60%. Proper egg selection, storage, turning and nutrition can also impact hatchability. Genetics, diseases and other environmental stresses like high altitude can affect fertility and embryonic development.
The document provides guidelines for maintaining optimal incubation temperature, humidity, ventilation, and moisture levels for hatching eggs. Key points include:
- Maintain an incubation temperature of 99-102°F, with 100-101°F ideal, measured at egg level. Overheating damages embryos more than underheating.
- Humidity should be 50-55% for most of incubation, rising to 60-65% for the final 3 days to aid hatching. Moisture is provided by a water pan under the eggs.
- Ventilation increases as incubation progresses, with vents fully open the last 3 days to allow gas exchange while maintaining proper humidity.
Maintenance of environmental conditions during rearing of silkworms.pptxKUNTAMALLASUJATHA
This slide share helps the sericulturist to maintain favourable environmental conditions for silkworm development and also to prevent disease attack as silkworms are delicate and sensitive to the environmental factors prevailing during silkworm rearing.
Genetic progress over the last 10 years has steadily improved broiler economic performance. One component of this is growth potential which has increased each year by 60 grams at six weeks of age. In order to achieve a standard processing weight (of e.g. 2kg), the age at which a flock of broilers are killed has fallen by, on average, 1 day per year over this time. Birds of 2kg that were killed at 49 days in 1988 are now killed at 39 days.
The consequence of this change is that the brooding period now takes up a much bigger proportion of the whole growing period and is more important in the final performance of the flock. Over the same 10 year period, the equipment used in brooding and starting chickens has changed, and some of these changes have significant consequences for the well-being of the day-old chick.
Our customers have become more focussed on the predictability of performance and uniformity of the product at all stages, especially in the processing plant. Many features of broiler management can affect uniformity and, in some cases, small changes in management technique can make a previously unimportant factor critical (e.g. the need for more feeding space once feed intake control is initiated) This Ross Tech is aimed at encouraging better general management and especially brooding management for broiler flocks, to improve performance and uniformity
Pas Reform Academy has dedicated more than 30 years to studying the needs of the growing embryo: to understanding the effects of genetic advancement on the performance of our commercial poultry breeds. Extensive scientific knowledge combines with decades of practical, hands-on hatchery experience – to meet new and emerging challenges in the modern hatchery.
1. David Vishnia developed an innovative incubator that closely mimics the natural incubation process through features like evenly distributed heating, automated egg rolling, and humidity control.
2. Testing found temperature fluctuates naturally between 35-39°C and humidity levels affect egg weight loss, so the incubator aims to control these factors for optimal hatching.
3. Reviews from experts praise the incubator's accuracy, reliability, and ability to match or improve upon natural breeding results.
1) David Vishnia, un criador de loros experimentado, desarrolló una incubadora que imita el proceso natural de incubación para ayudar a los huevos cuyas madres los descuidan.
2) La incubadora controla precisamente la temperatura, humedad y rotación de los huevos para simular las condiciones en un nido natural.
3) Estudios muestran que la incubadora logra tasas de eclosión iguales o mejores que la incubación natural al replicar los cambios térmicos y de oxígeno que ocurren en un
1) David Vishnia, un criador de loros experimentado, desarrolló una incubadora que imita el proceso natural de incubación para ayudar a los huevos cuyas madres los descuidan.
2) La incubadora controla precisamente la temperatura, humedad y rotación de los huevos para simular las condiciones en un nido natural.
3) Los experimentos muestran que la incubadora puede lograr tasas de eclosión iguales o mejores que la incubación natural.
1. ParroTech Issue #2, September-October 2006
Don’t want to incubate
Female parrots occasionally decide that motherhood is not their “cup
Professor Amos Ar, Head of Zool-
ogy Department, from Tel Aviv Uni-
versity wrote On May 2005:
of tea” so they are ignoring their eggs, neglecting or breaking them.
David Vishnia, a parrot breeder with many years of experience, was “David Vishnia’s innovative ideas are
determined to find a better solution for these poor eggs as follows:
After monitoring his parrots’ behav- to be an important factor in embryonic 1. In the incubators built by D.M.P.
ior and conducting numerous tests and development and hatching. Engineering, the heat is evenly and
experiments he decided to use his en- Therefore, the incubator design cre- constantly spread throughout
gineering skills to develop an incubator ates ideal humidity conditions for each the incubator, so one can give up the
that would overcome these “females’ ca- bird species “dry” thermometer and use only one
prices” by imitating the natural incubat- by opening or closing the water lid in thermometer - the “wet” one.
ing process as closely as possible. the transparent water container located In addition, Mr. Vishnia uses a very
For this mission, the crucial aspects inside the incubator. accurate Calibrate Thermometer, ± 0.1
of the incubation process were identi- To measure the humidity, David ºC, with a low heat capacity, which
fied and were implemented in the incu- Vishnia developed a wet & dry hygrom- achieves its thermal balance in a few
bator’s design and construction. eter especially for this incubator, which seconds.
For example, in order to simulate the is a very reliable form of humidity mea-
manner in which the brooding female surement (see letter in the frame). 2. Above the red temperature scale is
heats the eggs in nature, he developed From a parrot lover’s point of view, a blue scale showing pre-calculated
an especially large surfaced heating el- he wanted every breeder to feel like Standard International charts of rela-
ement with a center mounted fan and part of nature so he designed this In- tive humidity at various temperatures.
located it above the eggs (rather than cubator with large transparent doors for This saves time and effort for the
below them). monitoring egg development and chick user.
In professional literature, such ther-
mometers could be accurate ± 2%
relative humidity,
this is the same accuracy for digital
thermometers based on electric ca-
pacity.
While checking at the incubating
temperature range (35-39 ºC), I real-
ized that the temperature
reading at the calibrate scale in a “wet”
thermometer only, could be changed
in 1.5% ±.
For example, if the humidity scale
would calibrate for a temperature of
37 ºC,
For the breeders’ convenience he hatching. this, approximately, would be the ac-
added a temperature controller with So even if they don’t want to incu- curate reading around all incubating
clear digital display. bate… this unique incubator imitates temperature at the above range. At
In order to emulate the brooding the natural incubating process but- with the worst case, the deviation would be
mother’s way of rolling eggs, the eggs better hatching results. only 3.5% ±.
are positioned at the bottom of the in- Emulation of the natural heat, mois-
cubator and are ture and egg rolling conditions, com- This is a very high accuracy and it
Rolled periodically and automatically bined with an elegant, convenient, easy- gives optimized humidity adjustment
by an automatic egg turning system to to-use design creates a highly efficient in the incubator for ideal weight loss
create temperature changes vital to the incubator, suitable for every breeder, in the eggs and therefore optimum
Embryo development (see news item harnessing the natural incubating pro- hatching.”
on the other side of this page). cess for successful and productive breed-
The level of humidity was also found ing.
Page 1 • ParrotTech • Issue #2, September-October 2006 • www.dmp-engineering.com
2. Natural Breeding Improved
To be a parrot breeder is a very enrich- relevant and important: the fe- male R i n g Necks from the dryer areas.
ing feeling but gettting better results than laying the eggs on the nesting box floor, the In addition, the humidity in the nesting
natural breeding is a much more intensi- female rolling the eggs with her beak, and box is not constant and it varies during the
fied experience. Could we, the breeders, the female body position changing above day and according to environmental condi-
really make this difference? In order to the eggs. tions.
answer this question David Vishnia, the All these factors enable the tempera-
Inca Incubator’s developer, tested some ture changes inside the egg, and as a result Conclusion 2
common notions. - when the temperature increases, the fluid According to all that, it is very impor-
inside the egg expands and the air-cell tant to maintain an average humidity level
Temperature changes shrinks. and to follow the egg weight loss.
While the temperature is decreasing During the breeding seasons the breeder
The first consensus: in order to get bet- this fluid shrinks and creates a low pres- learns from his incubating experience what
ter hatching results the temperature should sure inside the egg, which causes oxygen to the suitable humidity level for his parrots
be very accurate. penetrate through the porous eggshell to is. The humidity percentages are not neces-
The best way to test this idea was to the blood strings attached to it, so that the sarily equal at every breeding farm.
measure the temperature during the incu- embryo could get this oxygen and develop If the breeder will pay attention to the
bating process in nature. in the best possible way. egg rolling, to the temperature range be-
For this matter, a Data Logger was hid- tween 35°C-39°C,
den inside an artificial egg and placed in an Humidity level and to the humidity level according to
Indian Ring Neck’s nesting box in his environmental conditions, as explained
a wild environment and also In Rosslea’s Another consensus between the breed- before, he should get better results than
and King Parrot’s nesting box in Vishnia’s ers: in order to get better hatching results natural breeding.
breeding farm. the humidity should be accurate and con-
stant all the time. Ben Hoffman of the
As done before, we must test the hu- Predatory Bird Centre
midity level during the natural incubating wrote on November 2005:
process.
According to well-known research, the “I was recently asked by Mark Brown
ideal loss of egg weight during the incuba- from the University Of KwaZulu-Na-
tion process is 15%± 3. tal, Pietermaritzberg Campus to evalu-
This loss of egg weight is affected by ate the Inca 100 incubator. I am the
The data logger inside the artifical eggs manager of the largest raptor breeding
two factors:
The Data Logger datum shows an 1. The Eggshell Thickness - food with facility in South Africa were I routinely
amazing incubating pattern in both places: high levels of Calcium will cause the egg- incubate a number of bird of prey eggs,
the temperature increased and decreased shell to be thicker, and an egg that was laid including a number of endangered spe-
between 35°C and 39°C during approxi- first- its eggshell would be thicker than the cies...
mately one and a half hour cycle. last egg that was laid. Eggs with a thicker
In addition, sensitive temperature sen- eggshell will lose less weight than eggs ...The Inca 100 is a small compact unit
sors were attached to some eggs to check with thinner eggshells. with a number of features that make it
the temperature differences between the 2. The Humidity Percentage - after the suitable for use by both the small and
upper part and the lower parts of the egg: egg is laid the breeder has no influence on large scale aviculturists.
while the environment temperature was the first factor (the eggshell thickness) but The robust PVC and glass construction
16°C, the upper part’s temperature was he could change the humidity percentage is very easy to clean.
40°C and at the lower part of the egg, the The egg turning mechanism is func-
temperature decreased to 32 °C. Thinking tional, reliable and simple to operate.
of it, one must remember that the brooding The same goes for the humidity system
female body temperature is between 41°C (It has a cleaver wet and dry thermom-
and 42 °C eter attachment)...
The deviations in the graph, in which
the temperature drops to 30°C, happened …Overall the Inca performed well
when the brooding female went out to eat. and I had the confidence in the unit to
With the same Data Logger, it was pos- incubate Umbrella Cockatoo, Lanner
sible to identify pairs that were not sitting Falcon as well as Pygmy Falcon eggs
on the eggs properly: in this case, the graph to affect the loss of the egg weight. from fresh laid to hatch. I have no hes-
showed a different incubating pattern so Parrots from different regions need dif- itation in recommending the Inca 100
obviously the chicks did not hatch. ferent humidity percentages: the Ama- incubator as a reliable, versatile and ro-
zons, the Macaws, or the Grey Africans bust machine for both the amateur and
Conclusion 1 from the Rain Forests need higher humid- professional breeder. “
Inside the nesting box few factors are ity than the Cockatoos, the Rosellas, or the
Page 2 • ParrotTech • Issue #2, September-October 2006 • www.dmp-engineering.com