Breeder management in poultry
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The various types of farming procedures of poultry, reproduction, feeding, vaccination and artificial insemination in poultry. Egg processing
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Concepts in poultry feeding
The objective of a defined feeding management program is to supply a range of balanced diets that satisfy the nutrient requirements at all stages of development & that optimize efficiency and profitability without compromising bird welfare or the environment.
Formulating Diets for Groups of Lactating Cows
1. When formulating diets for pens of cows, it is important to consider the variation in milk production and dry matter intake within the pen. Accounting for this variation can improve accuracy.
2. For pens without fresh cows, the maximum allowable milk from the diet using metabolizable protein should be the pen average milk production plus one standard deviation.
3. For diverse pens containing fresh cows, the diet should support a higher milk production level, such as the pen average plus 1.5 standard deviations or 24% above the average, to adequately meet the needs of the fresh cows.
Lighting management in layers
Light stimulation is important for egg production in layers. The length and intensity of light received by birds daily impacts egg production, growth, and physiology. Light stimulates the pituitary gland to release hormones that regulate sexual maturity and egg laying. During the growing period, decreasing light hours can delay sexual maturity by up to 3 weeks. During the laying period, a minimum of 16 hours of light per day is needed for maximum egg production. Proper light management through intensity, duration, placement and cleaning of bulbs is important for bird health and productivity.
Broiler production
This document provides an overview of broiler production, including definitions of broilers, advantages of broiler rearing, farm location and layout considerations, housing design and equipment, management practices at different growth stages, nutrition, vaccination, and performance metrics. Key points covered include broilers being chickens bred for meat production reaching slaughter weight in 4-7 weeks, low initial investment and quick returns being advantages, and housing, feeding, health and routine management being essential to optimize growth and efficiency.
Poultry nutrition and feeding
This document provides an overview of poultry nutrition and feeding. It discusses the commercial poultry production industry and factors that influence feed costs such as disease control and genetic improvement. It describes the general steps in poultry diet formulation and common feed ingredients such as corn, soybean meal, fish meal, and supplemental vitamins and minerals. The document also outlines the nutritional needs and common diet types for different stages of growth in chickens, turkeys, and laying hens including starter, broiler, growing, and laying diets.
Classification of poultry feed ingedients
Classification of poultry feed ingedientsPVNRTVU, College of Veterinary Science,Rajendranagar, Telangana, India
This document summarizes various feed ingredients used in poultry feeds. It discusses common energy sources like maize, sorghum, and wheat. It also discusses protein sources such as soybean meal, groundnut cake, and sunflower cake. The document provides information on the nutritional composition of each ingredient. It also discusses additives used in poultry feeds like antibiotics, anticoccidials, enzymes, and probiotics. Finally, it notes standards and guidelines for broiler, layer, and breeder feeds from organizations like BIS and NRC.Litter management and Litter born Diseases
Litter management and Litter born DiseasesPVNRTVU, College of Veterinary Science,Rajendranagar, Telangana, India
Poultry litter is a mixture of bedding materials like rice husks, wood shavings or straw along with chicken manure. It is used in poultry housing to absorb moisture and protect birds' feet. Proper litter management is important to control moisture levels below 30% and prevent health issues for birds like coccidiosis or foot problems. Litter quality is also important for bird welfare and productivity.Broiler management (david swygood)
This document discusses broiler chicken management, with an emphasis on proper brooding practices. It outlines the importance of meeting chick needs for feed, water, temperature, and air quality during brooding. Key recommendations include feeding chicks within 6 hours of placement to promote gut and immune development, maintaining proper brooding temperatures, ensuring adequate access to water, and providing sufficient ventilation to remove moisture produced by the chicks. Achieving a 7-day body weight of at least 180 grams is also highlighted as critical to future flock performance.
Recommended
Concepts in poultry feeding
The objective of a defined feeding management program is to supply a range of balanced diets that satisfy the nutrient requirements at all stages of development & that optimize efficiency and profitability without compromising bird welfare or the environment.
Formulating Diets for Groups of Lactating Cows
1. When formulating diets for pens of cows, it is important to consider the variation in milk production and dry matter intake within the pen. Accounting for this variation can improve accuracy.
2. For pens without fresh cows, the maximum allowable milk from the diet using metabolizable protein should be the pen average milk production plus one standard deviation.
3. For diverse pens containing fresh cows, the diet should support a higher milk production level, such as the pen average plus 1.5 standard deviations or 24% above the average, to adequately meet the needs of the fresh cows.
Lighting management in layers
Light stimulation is important for egg production in layers. The length and intensity of light received by birds daily impacts egg production, growth, and physiology. Light stimulates the pituitary gland to release hormones that regulate sexual maturity and egg laying. During the growing period, decreasing light hours can delay sexual maturity by up to 3 weeks. During the laying period, a minimum of 16 hours of light per day is needed for maximum egg production. Proper light management through intensity, duration, placement and cleaning of bulbs is important for bird health and productivity.
Broiler production
This document provides an overview of broiler production, including definitions of broilers, advantages of broiler rearing, farm location and layout considerations, housing design and equipment, management practices at different growth stages, nutrition, vaccination, and performance metrics. Key points covered include broilers being chickens bred for meat production reaching slaughter weight in 4-7 weeks, low initial investment and quick returns being advantages, and housing, feeding, health and routine management being essential to optimize growth and efficiency.
Poultry nutrition and feeding
This document provides an overview of poultry nutrition and feeding. It discusses the commercial poultry production industry and factors that influence feed costs such as disease control and genetic improvement. It describes the general steps in poultry diet formulation and common feed ingredients such as corn, soybean meal, fish meal, and supplemental vitamins and minerals. The document also outlines the nutritional needs and common diet types for different stages of growth in chickens, turkeys, and laying hens including starter, broiler, growing, and laying diets.
Classification of poultry feed ingedients
Classification of poultry feed ingedientsPVNRTVU, College of Veterinary Science,Rajendranagar, Telangana, India
This document summarizes various feed ingredients used in poultry feeds. It discusses common energy sources like maize, sorghum, and wheat. It also discusses protein sources such as soybean meal, groundnut cake, and sunflower cake. The document provides information on the nutritional composition of each ingredient. It also discusses additives used in poultry feeds like antibiotics, anticoccidials, enzymes, and probiotics. Finally, it notes standards and guidelines for broiler, layer, and breeder feeds from organizations like BIS and NRC.Litter management and Litter born Diseases
Litter management and Litter born DiseasesPVNRTVU, College of Veterinary Science,Rajendranagar, Telangana, India
Poultry litter is a mixture of bedding materials like rice husks, wood shavings or straw along with chicken manure. It is used in poultry housing to absorb moisture and protect birds' feet. Proper litter management is important to control moisture levels below 30% and prevent health issues for birds like coccidiosis or foot problems. Litter quality is also important for bird welfare and productivity.Broiler management (david swygood)
This document discusses broiler chicken management, with an emphasis on proper brooding practices. It outlines the importance of meeting chick needs for feed, water, temperature, and air quality during brooding. Key recommendations include feeding chicks within 6 hours of placement to promote gut and immune development, maintaining proper brooding temperatures, ensuring adequate access to water, and providing sufficient ventilation to remove moisture produced by the chicks. Achieving a 7-day body weight of at least 180 grams is also highlighted as critical to future flock performance.
Nutrition for commercial broiler and layer production
This document discusses the nutrient requirements of poultry, specifically broilers and layers. It outlines the main nutrient components - protein, energy, vitamins, and minerals. For energy, it defines different measurements and sources. Protein requirements are provided for different life stages of broilers and layers, along with sources of protein. Mineral and vitamin requirements are also outlined for broilers and layers. Accurate nutrient levels must be provided at different growth stages for optimal production and health of poultry.
Feeding a dairy cow
Poster prepared by Phyllis Ndung’u, Peter Kirui and Linus Kiprotich at the Farmers’ Workshop, Nandi and Bomet counties, Kenya, 5–10 February 2018
Breeder management
This document outlines best practices for breeder management, including general farm rules, cleaning protocols, environmental conditions, feeding practices, and egg collection. Key points include maintaining all-in/all-out production, proper sanitation, temperature and humidity control, balanced nutrition and controlled feeding, sex-separated housing as birds mature, and frequent egg collection and storage. The goal is optimal health, growth, and production efficiency of breeder flocks to maximize hatchability and chick quality.
Broiler management
Broiler production involves breeding chickens specifically for meat. Broiler farms have advantages like a short rearing period of 35 days and high return on initial investment. Important considerations for site selection include access to roads, electricity, water, and adequate ventilation. Essential equipment includes feeders, drinkers, weighing scales, and brooders. Proper cleaning and disinfection of sheds between flocks is important for bird health. Brooding young chicks requires maintaining optimal temperature and lighting conditions, as well as gradually increasing space per bird as they grow.
Poultry Feed formulation
This document provides information on poultry feed formulation by Dr. C. Seenivasan. It discusses the process of quantifying feed ingredients to meet poultry nutrient requirements. It describes different feed types and classifications of ingredients including protein sources, energy sources, vitamins, and minerals. The document outlines the nutrient requirements for broilers and layers at different growth stages. It also discusses the poultry digestive system and key aspects of least cost feed formulation such as raw material and processing costs. Sample feed formulations are provided for broiler pre-starter, starter, and finisher feeds.
Introduction to the poultry industry
The document discusses vertical integration in the poultry industry. It describes how the industry is segmented into different levels from primary breeders down to transportation and marketing. Each segment relies on the one below it to supply inputs. This vertical integration structure allows for tight control over production and quality. Key segments discussed include primary breeders, hatcheries, growout farms, processing plants, and further processing facilities. The document also summarizes some common chicken and turkey breeds used in the industry.
Lecture 7 (Layer Management).pptx
Layer poultry farming means raising egg laying poultry birds for the purpose of commercial egg production. Layer chickens are such a special species of hens, which need to be raised from when they are one day old. They start laying eggs commercially from 18-19 weeks of age.
Broiler feeding
Broiler chicks require broiler starter feed for the first four weeks of their life. The broiler starter feed should be at least 20 per cent protein, preferably 23 per cent protein. After four weeks, you should feed a 19 per cent protein feed.
Weaning lambs and kids
This presentation is the sixth in a series of webinars on the management of the ewe and doe from late gestation through weaning.
BROILER MANAGEMENT
This document provides an overview of broiler management practices from receiving day-old chicks to harvest. It discusses pre-arrival management including housing preparation through disinfection. It emphasizes the importance of an all-in, all-out production system and details best practices for receiving chicks, maintaining optimal house environment, brooder management, nutrition, vaccination schedules, and carcass disposal. The goal of broiler management is to implement efficient practices that maximize production and profits while minimizing disease risks through the 8-week grow-out period.
Goat and sheep feeding Dr. pankaj
Goat and sheep feeding Dr. pankajBihar Veterinary College, Bihar Animal Sciences University, Patna, Bihar, India
This document provides information on feeding management of sheep and goats. It discusses the importance of feed costs in livestock production. Key points include feeding schedules for kids from birth to weaning based on milk, creep feed, and forage intake. It also outlines nutrition requirements and feeding practices for does based on their stage of production such as dry, breeding, gestation and lactation. Different feeding systems for goats like tethering, intensive and extensive systems are also summarized.Poultry management
This document provides information on poultry farming and management. It discusses the main species of birds reared for economic benefits, including chickens, ducks, geese, quails and pigeons. It outlines the benefits of poultry farming such as low capital requirements and high returns. It also describes important considerations for poultry housing, drinking/feeding systems, chick quality, and brooding management. Finally, it discusses common poultry diseases caused by bacteria, viruses, fungi and parasites, as well as deficiency diseases, and provides treatment recommendations.
Breeder production
This document provides information on breeder production and management. It discusses topics such as breeder chick handling at hatcheries, transportation from hatcheries to farms, receiving and unloading chicks, brooding and rearing practices, rearing methods, physical environment requirements, general management practices, space requirements, beak trimming, sexing errors and toe clipping, lighting schedules, nutrition and feeding practices, feed distribution, feed restriction methods and reasons, nutritional requirements, broiler and layer breeder production cycles and standards, body weight control, floor versus spin feeding, switching to pre-lay, laying practices, grading, sex-separate feeding, spiking, challenge feeding, feeding after peak, male management, egg collection and nest management,
Broiler management.pptx
A broiler management course is a program designed to educate farmers, poultry producers, and other interested individuals on the best practices for managing broiler chickens. Broiler chickens are raised for meat production and require specialized care to ensure their growth, health, and well-being. The course typically covers various aspects of broiler management, including housing, feeding, health management, and disease prevention. It may also cover topics such as breeding, hatching, and marketing of broiler chickens. Participants in a broiler management course will learn about the different types of broiler housing and the best practices for managing temperature, ventilation, and lighting to ensure optimal growth and production. They will also learn about the various types of broiler feed and how to formulate a balanced diet that meets the nutritional requirements of broiler chickens. Health management is a critical aspect of broiler management, and the course will cover topics such as biosecurity measures, vaccination programs, and disease diagnosis and treatment. Participants will learn how to recognize common health problems in broiler chickens and how to implement preventative measures to keep their flocks healthy. Marketing is also an important aspect of broiler management, and the course may cover topics such as market analysis, pricing strategies, and distribution channels. Overall, a broiler management course provides participants with the knowledge and skills needed to raise healthy, productive broiler chickens, and to operate a successful broiler farming business.
POULTRY NUTRITION AND FEEDING
Poultry require nutrients including carbohydrates and fats for energy, protein and amino acids, minerals, vitamins, and water. A balanced diet typically consists of grains like corn or soybean meal for energy and protein, and supplements like limestone for minerals. Feeding programs should provide the right nutrients for different stages of growth and types of poultry. High quality feed is important to avoid nutritional deficiencies and ensure optimal growth and health.
Maintenance of hatching egg quality
The document discusses the importance of maintaining hatching egg quality from collection through incubation. Key points include:
1) Hatching egg quality cannot be improved after lay but must be properly maintained through collection, cleaning, storage, and transportation.
2) Proper management of nests and nesting materials, egg collection frequency, containers, cleaning, storage conditions, and transportation help preserve the delicate embryo structure inside eggs.
3) Maintaining optimal temperature and humidity levels during storage, transportation, and pre-heating is critical for hatching egg quality and subsequent chick quality.
Poultry feeding
This document discusses poultry feeding, including facts to consider when formulating rations, nutrient requirements, and feeding practices for broilers and laying hens. Key points include that feed must contain all essential nutrients, requirements differ by age, and poultry depend on dietary sources of nutrients. Nutrient requirements discussed include energy, primarily from cereal grains and added fats; protein, using various plant and animal sources; and minerals like calcium, phosphorus, and salt. Vitamin supplementation is also generally required. Feeding practices for broilers involve starter, grower, and finisher rations, while laying hens have higher energy, protein, calcium and other nutrient needs to support egg production.
Lecture 4: Calf management
This document provides guidelines for calf rearing, including colostrum feeding, milk feeding amounts and schedules, housing, and general health management. The key recommendations are to feed colostrum within the first 8 hours, provide 8-10% of birth weight in milk daily for 8 weeks, house calves individually until 1 month old, and clean and disinfect housing and equipment regularly. Basic principles like cleanliness, adequate colostrum and nutrition, and preventing stress are essential to successful calf rearing.
Poultry feed ingredients
This document discusses ingredients for poultry rations, including carbohydrates, energy sources like cereal grains and alternatives, protein sources like legumes, animal proteins, and unconventional sources. It provides details on the nutrient composition and considerations for various ingredients like soybean meal, cottonseed meal, rapeseed meal, fish meal, dried insects, and poultry litter.
Poultry Management Lecture
The document discusses poultry health and production. It covers three main types of chicken enterprises: egg production, broiler production, and raising replacement pullets. It outlines advantages like high feed efficiency and fast returns, and disadvantages like disease risks. It also discusses basic poultry nutrition, including protein, carbohydrate and fat digestion. Proper nutrition is key to efficient conversion of feed into meat and eggs.
EWOCS-I: The catalog of X-ray sources in Westerlund 1 from the Extended Weste...
Context. With a mass exceeding several 104 M⊙ and a rich and dense population of massive stars, supermassive young star clusters
represent the most massive star-forming environment that is dominated by the feedback from massive stars and gravitational interactions
among stars.
Aims. In this paper we present the Extended Westerlund 1 and 2 Open Clusters Survey (EWOCS) project, which aims to investigate
the influence of the starburst environment on the formation of stars and planets, and on the evolution of both low and high mass stars.
The primary targets of this project are Westerlund 1 and 2, the closest supermassive star clusters to the Sun.
Methods. The project is based primarily on recent observations conducted with the Chandra and JWST observatories. Specifically,
the Chandra survey of Westerlund 1 consists of 36 new ACIS-I observations, nearly co-pointed, for a total exposure time of 1 Msec.
Additionally, we included 8 archival Chandra/ACIS-S observations. This paper presents the resulting catalog of X-ray sources within
and around Westerlund 1. Sources were detected by combining various existing methods, and photon extraction and source validation
were carried out using the ACIS-Extract software.
Results. The EWOCS X-ray catalog comprises 5963 validated sources out of the 9420 initially provided to ACIS-Extract, reaching a
photon flux threshold of approximately 2 × 10−8 photons cm−2
s
−1
. The X-ray sources exhibit a highly concentrated spatial distribution,
with 1075 sources located within the central 1 arcmin. We have successfully detected X-ray emissions from 126 out of the 166 known
massive stars of the cluster, and we have collected over 71 000 photons from the magnetar CXO J164710.20-455217.
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Nutrition for commercial broiler and layer production
This document discusses the nutrient requirements of poultry, specifically broilers and layers. It outlines the main nutrient components - protein, energy, vitamins, and minerals. For energy, it defines different measurements and sources. Protein requirements are provided for different life stages of broilers and layers, along with sources of protein. Mineral and vitamin requirements are also outlined for broilers and layers. Accurate nutrient levels must be provided at different growth stages for optimal production and health of poultry.
Feeding a dairy cow
Poster prepared by Phyllis Ndung’u, Peter Kirui and Linus Kiprotich at the Farmers’ Workshop, Nandi and Bomet counties, Kenya, 5–10 February 2018
Breeder management
This document outlines best practices for breeder management, including general farm rules, cleaning protocols, environmental conditions, feeding practices, and egg collection. Key points include maintaining all-in/all-out production, proper sanitation, temperature and humidity control, balanced nutrition and controlled feeding, sex-separated housing as birds mature, and frequent egg collection and storage. The goal is optimal health, growth, and production efficiency of breeder flocks to maximize hatchability and chick quality.
Broiler management
Broiler production involves breeding chickens specifically for meat. Broiler farms have advantages like a short rearing period of 35 days and high return on initial investment. Important considerations for site selection include access to roads, electricity, water, and adequate ventilation. Essential equipment includes feeders, drinkers, weighing scales, and brooders. Proper cleaning and disinfection of sheds between flocks is important for bird health. Brooding young chicks requires maintaining optimal temperature and lighting conditions, as well as gradually increasing space per bird as they grow.
Poultry Feed formulation
This document provides information on poultry feed formulation by Dr. C. Seenivasan. It discusses the process of quantifying feed ingredients to meet poultry nutrient requirements. It describes different feed types and classifications of ingredients including protein sources, energy sources, vitamins, and minerals. The document outlines the nutrient requirements for broilers and layers at different growth stages. It also discusses the poultry digestive system and key aspects of least cost feed formulation such as raw material and processing costs. Sample feed formulations are provided for broiler pre-starter, starter, and finisher feeds.
Introduction to the poultry industry
The document discusses vertical integration in the poultry industry. It describes how the industry is segmented into different levels from primary breeders down to transportation and marketing. Each segment relies on the one below it to supply inputs. This vertical integration structure allows for tight control over production and quality. Key segments discussed include primary breeders, hatcheries, growout farms, processing plants, and further processing facilities. The document also summarizes some common chicken and turkey breeds used in the industry.
Lecture 7 (Layer Management).pptx
Layer poultry farming means raising egg laying poultry birds for the purpose of commercial egg production. Layer chickens are such a special species of hens, which need to be raised from when they are one day old. They start laying eggs commercially from 18-19 weeks of age.
Broiler feeding
Broiler chicks require broiler starter feed for the first four weeks of their life. The broiler starter feed should be at least 20 per cent protein, preferably 23 per cent protein. After four weeks, you should feed a 19 per cent protein feed.
Weaning lambs and kids
This presentation is the sixth in a series of webinars on the management of the ewe and doe from late gestation through weaning.
BROILER MANAGEMENT
This document provides an overview of broiler management practices from receiving day-old chicks to harvest. It discusses pre-arrival management including housing preparation through disinfection. It emphasizes the importance of an all-in, all-out production system and details best practices for receiving chicks, maintaining optimal house environment, brooder management, nutrition, vaccination schedules, and carcass disposal. The goal of broiler management is to implement efficient practices that maximize production and profits while minimizing disease risks through the 8-week grow-out period.
Goat and sheep feeding Dr. pankaj
Goat and sheep feeding Dr. pankajBihar Veterinary College, Bihar Animal Sciences University, Patna, Bihar, India
This document provides information on feeding management of sheep and goats. It discusses the importance of feed costs in livestock production. Key points include feeding schedules for kids from birth to weaning based on milk, creep feed, and forage intake. It also outlines nutrition requirements and feeding practices for does based on their stage of production such as dry, breeding, gestation and lactation. Different feeding systems for goats like tethering, intensive and extensive systems are also summarized.Poultry management
This document provides information on poultry farming and management. It discusses the main species of birds reared for economic benefits, including chickens, ducks, geese, quails and pigeons. It outlines the benefits of poultry farming such as low capital requirements and high returns. It also describes important considerations for poultry housing, drinking/feeding systems, chick quality, and brooding management. Finally, it discusses common poultry diseases caused by bacteria, viruses, fungi and parasites, as well as deficiency diseases, and provides treatment recommendations.
Breeder production
This document provides information on breeder production and management. It discusses topics such as breeder chick handling at hatcheries, transportation from hatcheries to farms, receiving and unloading chicks, brooding and rearing practices, rearing methods, physical environment requirements, general management practices, space requirements, beak trimming, sexing errors and toe clipping, lighting schedules, nutrition and feeding practices, feed distribution, feed restriction methods and reasons, nutritional requirements, broiler and layer breeder production cycles and standards, body weight control, floor versus spin feeding, switching to pre-lay, laying practices, grading, sex-separate feeding, spiking, challenge feeding, feeding after peak, male management, egg collection and nest management,
Broiler management.pptx
A broiler management course is a program designed to educate farmers, poultry producers, and other interested individuals on the best practices for managing broiler chickens. Broiler chickens are raised for meat production and require specialized care to ensure their growth, health, and well-being. The course typically covers various aspects of broiler management, including housing, feeding, health management, and disease prevention. It may also cover topics such as breeding, hatching, and marketing of broiler chickens. Participants in a broiler management course will learn about the different types of broiler housing and the best practices for managing temperature, ventilation, and lighting to ensure optimal growth and production. They will also learn about the various types of broiler feed and how to formulate a balanced diet that meets the nutritional requirements of broiler chickens. Health management is a critical aspect of broiler management, and the course will cover topics such as biosecurity measures, vaccination programs, and disease diagnosis and treatment. Participants will learn how to recognize common health problems in broiler chickens and how to implement preventative measures to keep their flocks healthy. Marketing is also an important aspect of broiler management, and the course may cover topics such as market analysis, pricing strategies, and distribution channels. Overall, a broiler management course provides participants with the knowledge and skills needed to raise healthy, productive broiler chickens, and to operate a successful broiler farming business.
POULTRY NUTRITION AND FEEDING
Poultry require nutrients including carbohydrates and fats for energy, protein and amino acids, minerals, vitamins, and water. A balanced diet typically consists of grains like corn or soybean meal for energy and protein, and supplements like limestone for minerals. Feeding programs should provide the right nutrients for different stages of growth and types of poultry. High quality feed is important to avoid nutritional deficiencies and ensure optimal growth and health.
Maintenance of hatching egg quality
The document discusses the importance of maintaining hatching egg quality from collection through incubation. Key points include:
1) Hatching egg quality cannot be improved after lay but must be properly maintained through collection, cleaning, storage, and transportation.
2) Proper management of nests and nesting materials, egg collection frequency, containers, cleaning, storage conditions, and transportation help preserve the delicate embryo structure inside eggs.
3) Maintaining optimal temperature and humidity levels during storage, transportation, and pre-heating is critical for hatching egg quality and subsequent chick quality.
Poultry feeding
This document discusses poultry feeding, including facts to consider when formulating rations, nutrient requirements, and feeding practices for broilers and laying hens. Key points include that feed must contain all essential nutrients, requirements differ by age, and poultry depend on dietary sources of nutrients. Nutrient requirements discussed include energy, primarily from cereal grains and added fats; protein, using various plant and animal sources; and minerals like calcium, phosphorus, and salt. Vitamin supplementation is also generally required. Feeding practices for broilers involve starter, grower, and finisher rations, while laying hens have higher energy, protein, calcium and other nutrient needs to support egg production.
Lecture 4: Calf management
This document provides guidelines for calf rearing, including colostrum feeding, milk feeding amounts and schedules, housing, and general health management. The key recommendations are to feed colostrum within the first 8 hours, provide 8-10% of birth weight in milk daily for 8 weeks, house calves individually until 1 month old, and clean and disinfect housing and equipment regularly. Basic principles like cleanliness, adequate colostrum and nutrition, and preventing stress are essential to successful calf rearing.
Poultry feed ingredients
This document discusses ingredients for poultry rations, including carbohydrates, energy sources like cereal grains and alternatives, protein sources like legumes, animal proteins, and unconventional sources. It provides details on the nutrient composition and considerations for various ingredients like soybean meal, cottonseed meal, rapeseed meal, fish meal, dried insects, and poultry litter.
Poultry Management Lecture
The document discusses poultry health and production. It covers three main types of chicken enterprises: egg production, broiler production, and raising replacement pullets. It outlines advantages like high feed efficiency and fast returns, and disadvantages like disease risks. It also discusses basic poultry nutrition, including protein, carbohydrate and fat digestion. Proper nutrition is key to efficient conversion of feed into meat and eggs.
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Nutrition for commercial broiler and layer production
Nutrition for commercial broiler and layer production
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EWOCS-I: The catalog of X-ray sources in Westerlund 1 from the Extended Weste...
Context. With a mass exceeding several 104 M⊙ and a rich and dense population of massive stars, supermassive young star clusters
represent the most massive star-forming environment that is dominated by the feedback from massive stars and gravitational interactions
among stars.
Aims. In this paper we present the Extended Westerlund 1 and 2 Open Clusters Survey (EWOCS) project, which aims to investigate
the influence of the starburst environment on the formation of stars and planets, and on the evolution of both low and high mass stars.
The primary targets of this project are Westerlund 1 and 2, the closest supermassive star clusters to the Sun.
Methods. The project is based primarily on recent observations conducted with the Chandra and JWST observatories. Specifically,
the Chandra survey of Westerlund 1 consists of 36 new ACIS-I observations, nearly co-pointed, for a total exposure time of 1 Msec.
Additionally, we included 8 archival Chandra/ACIS-S observations. This paper presents the resulting catalog of X-ray sources within
and around Westerlund 1. Sources were detected by combining various existing methods, and photon extraction and source validation
were carried out using the ACIS-Extract software.
Results. The EWOCS X-ray catalog comprises 5963 validated sources out of the 9420 initially provided to ACIS-Extract, reaching a
photon flux threshold of approximately 2 × 10−8 photons cm−2
s
−1
. The X-ray sources exhibit a highly concentrated spatial distribution,
with 1075 sources located within the central 1 arcmin. We have successfully detected X-ray emissions from 126 out of the 166 known
massive stars of the cluster, and we have collected over 71 000 photons from the magnetar CXO J164710.20-455217.
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Current descriptions of immersive learning cases are often difficult or impossible to compare. This is due to a myriad of different options on what details to include, which aspects are relevant, and on the descriptive approaches employed. Also, these aspects often combine very specific details with more general guidelines or indicate intents and rationales without clarifying their implementation. In this paper we provide a method to describe immersive learning cases that is structured to enable comparisons, yet flexible enough to allow researchers and practitioners to decide which aspects to include. This method leverages a taxonomy that classifies educational aspects at three levels (uses, practices, and strategies) and then utilizes two frameworks, the Immersive Learning Brain and the Immersion Cube, to enable a structured description and interpretation of immersive learning cases. The method is then demonstrated on a published immersive learning case on training for wind turbine maintenance using virtual reality. Applying the method results in a structured artifact, the Immersive Learning Case Sheet, that tags the case with its proximal uses, practices, and strategies, and refines the free text case description to ensure that matching details are included. This contribution is thus a case description method in support of future comparative research of immersive learning cases. We then discuss how the resulting description and interpretation can be leveraged to change immersion learning cases, by enriching them (considering low-effort changes or additions) or innovating (exploring more challenging avenues of transformation). The method holds significant promise to support better-grounded research in immersive learning.
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Immersive Learning That Works: Research Grounding and Paths Forward
We will metaverse into the essence of immersive learning, into its three dimensions and conceptual models. This approach encompasses elements from teaching methodologies to social involvement, through organizational concerns and technologies. Challenging the perception of learning as knowledge transfer, we introduce a 'Uses, Practices & Strategies' model operationalized by the 'Immersive Learning Brain' and ‘Immersion Cube’ frameworks. This approach offers a comprehensive guide through the intricacies of immersive educational experiences and spotlighting research frontiers, along the immersion dimensions of system, narrative, and agency. Our discourse extends to stakeholders beyond the academic sphere, addressing the interests of technologists, instructional designers, and policymakers. We span various contexts, from formal education to organizational transformation to the new horizon of an AI-pervasive society. This keynote aims to unite the iLRN community in a collaborative journey towards a future where immersive learning research and practice coalesce, paving the way for innovative educational research and practice landscapes.
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https://ashpc.eu/
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