تعد أنظمة تربية الأحياء المائية المتكاملة متعددة التغذية (IMTA) نهجًا مبتكرًا لإنتاج الغذاء المستدام الذي يجمع بين الأسماك والكائنات الحية الأخرى من مستويات غذائية مختلفة في نظام متكامل. إنها طريقة آمنة وفعالة وصديقة للبيئة لتربية الأنواع المائية ، مما يساعد على تقليل تصريف المغذيات من أنشطة تربية الأحياء المائية وزيادة نطاق التنوع الاقتصادي. تقدم أنظمة IMTA مجموعة من الفوائد لكل من المزارعين والمجتمع ، حيث توفر عوائد سنوية أعلى ، وحماية أكبر لنوعية المياه ، واستخدام أكثر كفاءة للمدخلات وزيادة سلامة الأغذية من خلال التحكم الأفضل في النفايات
- The importance of Aquaculture.
- The most important spices cultured organisms.
- Environmental impacts of aquaculture and how to reduce it.
- Modern systems for more sustainable aquaculture.
تربية أسماك البلطي
الباب الأول : أسماك البلطي :
- أنواع أسماك البلطي :
النيلي .
الحساني .
الأخضر .
الجليلي .
الموزمبيقي .
الباب الثاني : أسس إنشاء المزارع السمكية :
- الأسس التى تبني عليها دراسة جدوى المشروع .
- أسس اختيار المزرعة السمكية :
اختيار الموقع .
جغرافية الموقع .
طبيعة التربة .
المورد المائى .
- أنواع أحواض الأسماك :
أحواض الأراضي المستوية .
أحواض السدود والحواجز الصناعية .
- مراحل الإنشاء .
- تقسيم المزرعة ومواصفاتها .
عدد الأحواض .
حجم الأحواض .
عمق الأحواض .
شكل الأحواض .
ميول الجسر .
معالجة التربة .
- تقسيم أحواض المزرعة السمكية :
أحواض الأمهات .
أحواض الأقلمة .
أحواض التهجين .
أحواض التحضين .
أحواض التربية :
احتياجات أحواض التربية
أحواض التسمين .
أحواض البيع .
- أنظمة الاستزراع السمكي :
النظام الغير مكثف .
النظام شبه المكثف .
النظام المكثف .
استزراع البلطي فى الأقفاص العائمة .
الاستزراع السمكي المتكامل .
زراعة الأسماك مع مزارع البط .
زراعة الأسماك فى حقول الأرز .
- أعمال تحضيرية تتم فى أحواض الحضانة والتربية :
تنظيف الأحواض .
ضبط عمق المياة .
تسميد الأحواض .
- الأعمال المتبعة فى إدارة الأحواض :
فحص الأحواض .
تنظيف المصافي والمرشحات .
مراقبة سلوك الأسماك .
الباب الثالث : مفاهيم مهمة فى تربية أسماك البلطي :
- مفاهيم الاستزراع السمكي .
- مفاهيم هامة فى التربية .
- مفاهيم فى تخزين الزريعة .
- مفاهيم فى معدلات التخزين فى الأحواض .
- مفاهيم فى الطاقة التحميلية ( السعة التحميلية ) .
- مفاهيم فى نوعية طرق الاستزراع :
الاستزراع المتعدد : إيجابيات - سلبيات
الاستزراع الفردي .
- مفاهيم فى تجهيز أحواض الاستزراع :
تجفيف الحوض .
تطهير الحوض .
التسميد الابتدائي للحوض .
نقل الزريعة .
- المشكلات الأساسية فى حوض التربية :
نقص كمية الأكسجين .
زيادة درجة حرارة الماء ( التغير فى درجة الحرارة ) .
الحموضة الزائدة والقلو
Tilapia is a common name for cichlid fish from Africa and the Middle East that are farmed globally. They are the third most important aquaculture species after carp and salmon. This document discusses tilapia taxonomy, history of use in aquaculture, farming methods, environmental requirements, breeding processes, and sex reversal techniques. It provides detailed information on farming practices and protocols for tilapia production.
Promoting oyster aquaculture in Ghana: Strategies for optimising seed collect...Ernest Chuku
A presentation on the procurement of wild seed (spat) of the mangrove oyster, Crassostrea tulipa, in coastal water bodies along the coast of Ghana, West Africa. The slide covers spatial and temporal variations in spatfall in the Densu Delta, Narkwa Lagoon, Benya Lagoon and Whin Estuary from November 2017 to October 2018. A comparison of the effectiveness of locally available spat collectors is also presented. The slide contains information on typical fouling organisms in oyster farming in the tropics. Growth rates of oysters are also compared among the different water bodies and on different collectors.
The document provides information on the culture of mud crabs. It discusses the scientific classification of mud crabs, their biology, hatchery technology, and culture methods. Mud crabs can be cultured through monoculture or polyculture. They reach market size within 6 months when cultured and common diseases include white spot disease and bacterial shell diseases. The document concludes that mud crab farming is becoming popular due to demand and provides alternative livelihood opportunities through crab fattening.
Hatchery Components of Fin fish and ShrimpAsrafurTalha1
There are three main components of fish and shrimp hatcheries: physical, chemical, and biological. Physical components include the land area, tanks, water systems, aeration, lighting, kitchen facilities, and ponds. Chemical components are hormones and drugs used to induce spawning. Biological components are the various fish and shrimp species bred in hatcheries. For finfish, hatcheries also have indoor and outdoor facilities. Shrimp hatcheries require site selection, water supply, power, and climate control. Facilities include maturation, spawning, larval rearing, and live food tanks. Problems can include insufficient water, manpower shortages, electricity issues, and water quality control. Proper maintenance, staff training, and equipment
- The importance of Aquaculture.
- The most important spices cultured organisms.
- Environmental impacts of aquaculture and how to reduce it.
- Modern systems for more sustainable aquaculture.
تربية أسماك البلطي
الباب الأول : أسماك البلطي :
- أنواع أسماك البلطي :
النيلي .
الحساني .
الأخضر .
الجليلي .
الموزمبيقي .
الباب الثاني : أسس إنشاء المزارع السمكية :
- الأسس التى تبني عليها دراسة جدوى المشروع .
- أسس اختيار المزرعة السمكية :
اختيار الموقع .
جغرافية الموقع .
طبيعة التربة .
المورد المائى .
- أنواع أحواض الأسماك :
أحواض الأراضي المستوية .
أحواض السدود والحواجز الصناعية .
- مراحل الإنشاء .
- تقسيم المزرعة ومواصفاتها .
عدد الأحواض .
حجم الأحواض .
عمق الأحواض .
شكل الأحواض .
ميول الجسر .
معالجة التربة .
- تقسيم أحواض المزرعة السمكية :
أحواض الأمهات .
أحواض الأقلمة .
أحواض التهجين .
أحواض التحضين .
أحواض التربية :
احتياجات أحواض التربية
أحواض التسمين .
أحواض البيع .
- أنظمة الاستزراع السمكي :
النظام الغير مكثف .
النظام شبه المكثف .
النظام المكثف .
استزراع البلطي فى الأقفاص العائمة .
الاستزراع السمكي المتكامل .
زراعة الأسماك مع مزارع البط .
زراعة الأسماك فى حقول الأرز .
- أعمال تحضيرية تتم فى أحواض الحضانة والتربية :
تنظيف الأحواض .
ضبط عمق المياة .
تسميد الأحواض .
- الأعمال المتبعة فى إدارة الأحواض :
فحص الأحواض .
تنظيف المصافي والمرشحات .
مراقبة سلوك الأسماك .
الباب الثالث : مفاهيم مهمة فى تربية أسماك البلطي :
- مفاهيم الاستزراع السمكي .
- مفاهيم هامة فى التربية .
- مفاهيم فى تخزين الزريعة .
- مفاهيم فى معدلات التخزين فى الأحواض .
- مفاهيم فى الطاقة التحميلية ( السعة التحميلية ) .
- مفاهيم فى نوعية طرق الاستزراع :
الاستزراع المتعدد : إيجابيات - سلبيات
الاستزراع الفردي .
- مفاهيم فى تجهيز أحواض الاستزراع :
تجفيف الحوض .
تطهير الحوض .
التسميد الابتدائي للحوض .
نقل الزريعة .
- المشكلات الأساسية فى حوض التربية :
نقص كمية الأكسجين .
زيادة درجة حرارة الماء ( التغير فى درجة الحرارة ) .
الحموضة الزائدة والقلو
Tilapia is a common name for cichlid fish from Africa and the Middle East that are farmed globally. They are the third most important aquaculture species after carp and salmon. This document discusses tilapia taxonomy, history of use in aquaculture, farming methods, environmental requirements, breeding processes, and sex reversal techniques. It provides detailed information on farming practices and protocols for tilapia production.
Promoting oyster aquaculture in Ghana: Strategies for optimising seed collect...Ernest Chuku
A presentation on the procurement of wild seed (spat) of the mangrove oyster, Crassostrea tulipa, in coastal water bodies along the coast of Ghana, West Africa. The slide covers spatial and temporal variations in spatfall in the Densu Delta, Narkwa Lagoon, Benya Lagoon and Whin Estuary from November 2017 to October 2018. A comparison of the effectiveness of locally available spat collectors is also presented. The slide contains information on typical fouling organisms in oyster farming in the tropics. Growth rates of oysters are also compared among the different water bodies and on different collectors.
The document provides information on the culture of mud crabs. It discusses the scientific classification of mud crabs, their biology, hatchery technology, and culture methods. Mud crabs can be cultured through monoculture or polyculture. They reach market size within 6 months when cultured and common diseases include white spot disease and bacterial shell diseases. The document concludes that mud crab farming is becoming popular due to demand and provides alternative livelihood opportunities through crab fattening.
Hatchery Components of Fin fish and ShrimpAsrafurTalha1
There are three main components of fish and shrimp hatcheries: physical, chemical, and biological. Physical components include the land area, tanks, water systems, aeration, lighting, kitchen facilities, and ponds. Chemical components are hormones and drugs used to induce spawning. Biological components are the various fish and shrimp species bred in hatcheries. For finfish, hatcheries also have indoor and outdoor facilities. Shrimp hatcheries require site selection, water supply, power, and climate control. Facilities include maturation, spawning, larval rearing, and live food tanks. Problems can include insufficient water, manpower shortages, electricity issues, and water quality control. Proper maintenance, staff training, and equipment
Carp hatcheries have contributed to a large increase in fish seed production in India from 6,321 million fry in 1985-86 to over 37,000 million fry currently. The document discusses the history and developments of different types of carp hatchery designs used in India and other countries, including hatching pits, hapa, glass jar hatcheries, LDPE models, and Chinese circular hatcheries. It provides details on the components, operation, advantages and disadvantages of these various hatchery designs.
This document discusses aquaculture and includes the following key points:
1. Aquaculture is the farming of fish, crustaceans, molluscs, aquatic plants, algae and other organisms. It has contributed 43% of aquatic animal food for human consumption.
2. Aquaculture production involves hatcheries, food mills, farms, and processing facilities. Common methods are intensive and extensive aquaculture.
3. Major types of aquaculture include mariculture, fish farming, and algaeculture. Common species farmed are carps, mussels, salmon, and oysters.
This document provides information on green mussel culture methods in three paragraphs or less:
The document outlines different culture methods for green mussels including bottom culture, intertidal culture using racks, stakes, trays, and poles, as well as deep water culture using rafts and long-lines. It discusses considerations for site selection such as shelter, water quality, and bottom type. The biology of the green mussel is summarized, including its lifecycle, growth rates, and sexual maturity. Overall, the document introduces various techniques for farming green mussels from collection of spat to harvesting.
Shrimp farming in India, till 2009, was synonymous with the mono culture of tiger shrimp, Penaeus monodon. About 1,90,000 ha brackishwater area have been developed for shrimp culture in the country spread over all the coastal states. Since 1995 culture of P monodon is affected by White Spot Syndrome Virus (WSSV) and the development of shrimp farming has become stagnant.
Most of the Southeast Asian countries like Thailand, Vietnam, Indonesia were also culturing P. monodon and since 2001-02 onwards most of them have shifted to culture of exotic Whiteleg shrimp,Litopenaeus vannamei because of the availability of Specific Pathogen Free (SPF) and Specific Pathogen Resistant (SPR) broodstock. In India, Pilot-scale introduction of L.vannamei was initiated in 2003 and after a risk analysis study large-scale introduction has been permitted in 2009.
Mussels are filter feeders that attach to hard surfaces in coastal waters. They are farmed using various culture methods including raft culture, rack culture, and bottom culture. In raft culture, mussels are seeded onto ropes suspended from floating rafts. Rack culture involves suspending seeded ropes from fixed wooden frames. Bottom culture grows mussels directly on the seafloor. Mussels are harvested once they reach market size, usually within 6-12 months, and are an important source of protein for human consumption as well as playing an ecological role by filtering water.
Mangrove Mud crab Farming discusses two main methods of mud crab farming: grow-out culture and fattening. In grow-out culture, juvenile crabs are grown for 5-6 months in ponds until they reach market size, while fattening involves rearing soft-shelled crabs for a few weeks in ponds or cages until their shells harden. The document provides details on nursery rearing, feeding practices, water quality parameters, health management, and harvesting techniques for both grow-out culture and fattening operations.
This document provides information on culturing various live feed organisms for marine fish hatcheries. It discusses the importance of live feeds over artificial feeds for fish larvae nutrition. Important live feed organisms include rotifers, artemia, and copepods. Details are given on culturing conditions for rotifers, hatching artemia cysts, and culturing copepods. Microalgae cultures are also important for feeding the live feed organisms. The document aims to inform readers on best practices for culturing different live feed options to support marine fish hatcheries.
This document discusses techniques for induced breeding of carp species in hatcheries. It describes the collection of pituitary glands from brood fish and injection of hormones like HCG to stimulate breeding. After conditioning, brood fish are weighed and injected, then placed in hapas or tanks. Water temperature between 25-28°C and oxygen levels of 5-9 mg/L promote successful spawning. Eggs are incubated in glass jars or Chinese circular hatcheries consisting of overhead tanks, spawning tanks, incubation tanks, and receiving tanks, and fry are reared in earthen ponds.
Methods of stomach contetn analyses of fishesrageshsr
This document provides an overview of methods for analyzing the stomach contents of fish to study their feeding habits and diets. There are both qualitative and quantitative techniques. Qualitative analysis identifies prey items, while quantitative methods include numerical (counts), gravimetric (weights), and volumetric. Numerical methods further include occurrence (presence/absence), dominance (main prey bulk), and number (counts of each prey type). The document outlines these various quantitative methods and their appropriate uses and limitations for different types of prey. Accurately analyzing stomach contents requires considering factors like fish size, time of day, and prey availability.
Conservation approach Fish Genetics and Resource Management (FiGR)Ranjan Wagle
This document discusses strategies for conserving fish genetic resources and managing fisheries sustainably. It outlines a conservation model of evaluating existing conditions, planning interventions, and implementing conservation plans. Key reasons to conserve fish include their ecological importance and economic value as food and other products. Conservation approaches discussed include protecting habitats, restricting fishing practices, stock enhancement through aquaculture, and "twinning" aquaculture with conservation of fish genetic resources. The goal is to balance sustainable use of fisheries with conservation through integrated management of fish populations and their habitats.
This document discusses different types of aquaculture systems classified by level of inputs, including extensive, semi-intensive, and intensive systems. Extensive systems include culture-based fisheries and pond and enclosure aquaculture with very low levels of inputs and production of 50-350 kg/acre. Semi-intensive pond systems use some supplemental feeding and fertilization to boost production to 0.5-1.5 tons/acre. Intensive pond and tank systems involve high stocking densities, manufactured feeding, and water management for high production of up to 24 tons/acre.
Biofloc fish farming for sustainable aquacultureOrganicaBiotech1
Biofloc technology is an emerging, eco-friendly and cost-effective approach for sustainable fish farming. Earlier, the biofloc system was used as the means to treat wastewater and control fish production.
culture system - semi intensive, intensive, super intensice and cage.pptxHimanshuPatidar19
This document discusses different types of aquaculture systems including semi-intensive, intensive, and super intensive systems. It also discusses different cage culture systems used in aquaculture like fixed cages, floating cages, submersible cages, and submerged cages. Semi-intensive systems involve stocking fish at moderate densities and relying on natural foods supplemented with feed. Intensive systems rely on artificial feeds and management to maximize yields. Super intensive systems involve very high stocking densities and use of water treatment technologies like recirculating aquaculture systems.
This document discusses biosecurity in aquaculture. It defines biosecurity as measures adopted to secure a disease-free environment in all phases of aquaculture. It identifies different levels of biosecurity including external and internal barriers to prevent the spread of disease. Components of biosecurity include quarantine, sanitation, and disinfection. Recommended protocols for sanitation and disinfection include being careful with live foods, proper storage and usage of manufactured feeds, and good overall system cleanliness. The document also discusses biosecurity strategies for shrimp production specifically.
This presentation gives an overview of various aspects relevant to sustainable aquaculture. it consists of 3 sections:
- what is aquaculture
- threats, challenges & opportunities
- conclusions
Cobia is a marine fish species that is widely farmed in parts of Asia and has potential for aquaculture. The document discusses the life cycle of cobia farming, including collecting wild broodstock, artificial propagation through hormone induction and egg collection, larval rearing where they are fed rotifers and artemia, nursery phases where they are reared in tanks and graded by size, and grow out in net cages in marine environments. Cobia can reach market size of 2-6 kg within a year if reared in suitable conditions with proper feeding and stocking densities.
Cage culture involves confining fish or shellfish within mesh enclosures in existing water bodies like ponds, rivers, and oceans. Some key advantages are the flexibility to use different water resources with minimal initial investment. However, there are also disadvantages like the need for complete diets, high risk of disease transmission due to crowding, potential for localized water quality issues, and limitations to production yields. Cage aquaculture has rapidly expanded in recent decades and continues to adapt to growing global demand through clustering cages and developing more intensive cage farming systems.
The Code of Conduct for Responsible Fisheries (CCRF)Iwl Pcu
The document discusses the Code of Conduct for Responsible Fisheries (CCRF) implemented by the UN's Food and Agriculture Organization (FAO). It provides context on world fisheries, describing their importance for food/nutrition and economies. It outlines the CCRF's goals of sustainable fisheries benefits, and principles for conservation and management. The CCRF structure and actors involved in implementation are described, along with challenges and projects supporting CCRF efforts. The FAO calls for support in further collaborating to implement and fulfill the CCRF.
This document provides taxonomic classification and information about groupers, including their life cycle, reproduction, commonly cultured species, hatchery design considerations, and broodstock acquisition and management. Groupers are popular aquaculture species in Asia-Pacific known for their fast growth and hardiness. They are mostly protogynous hermaphrodites that change sex from female to male. Hatchery design focuses on biosecurity to prevent diseases like viral nervous necrosis. Broodstock are selected based on health and size criteria and held in large tanks before spawning.
Biology and Aquaculture Pearl spot E. suratensisB. BHASKAR
This document provides information on the biology, aquaculture, and culture of Pearl spot fish. Some key points:
- Pearl spot is an indigenous fish found along India's coasts that is important for aquaculture. It is cultured in brackishwater and freshwater environments.
- Details are provided on its classification, life cycle, breeding/spawning behavior, hatchery seed production techniques, and pond preparation for culturing.
- For grow-out culture, Pearl spot can attain market size within 8-10 months under monoculture or polyculture. Yields of 1,000 kg/ha/year are possible at stocking densities of 20,000-30,000 fish/ha. Pro
IntegratedMulti TrophicAquaculture Systems Aquaculture experts Forum.pdfAbd El-Rahman Khattaby
"انضموا إلى محاضرتي على منصة منتدى خبراء الاستزراع السمكي بنظام الأون لاين حيث سأتحدث عن الاستزراع السمكي المتكامل متعدد التغذية. ستكون الفرصة مثالية لاكتساب المعرفة حول هذا الموضوع المهم والتفاعل مع خبراء آخرين في المجال. انضموا وشاركوا في النقاشات القيمة!"
"Join my lecture on the online platform of the Aquaculture Experts Forum as I discuss Integrated Multi-Trophic Aquaculture (IMTA). It's a great opportunity to gain insights into this important topic and engage with other experts in the field. Join us and be part of valuable discussions!"
Carp hatcheries have contributed to a large increase in fish seed production in India from 6,321 million fry in 1985-86 to over 37,000 million fry currently. The document discusses the history and developments of different types of carp hatchery designs used in India and other countries, including hatching pits, hapa, glass jar hatcheries, LDPE models, and Chinese circular hatcheries. It provides details on the components, operation, advantages and disadvantages of these various hatchery designs.
This document discusses aquaculture and includes the following key points:
1. Aquaculture is the farming of fish, crustaceans, molluscs, aquatic plants, algae and other organisms. It has contributed 43% of aquatic animal food for human consumption.
2. Aquaculture production involves hatcheries, food mills, farms, and processing facilities. Common methods are intensive and extensive aquaculture.
3. Major types of aquaculture include mariculture, fish farming, and algaeculture. Common species farmed are carps, mussels, salmon, and oysters.
This document provides information on green mussel culture methods in three paragraphs or less:
The document outlines different culture methods for green mussels including bottom culture, intertidal culture using racks, stakes, trays, and poles, as well as deep water culture using rafts and long-lines. It discusses considerations for site selection such as shelter, water quality, and bottom type. The biology of the green mussel is summarized, including its lifecycle, growth rates, and sexual maturity. Overall, the document introduces various techniques for farming green mussels from collection of spat to harvesting.
Shrimp farming in India, till 2009, was synonymous with the mono culture of tiger shrimp, Penaeus monodon. About 1,90,000 ha brackishwater area have been developed for shrimp culture in the country spread over all the coastal states. Since 1995 culture of P monodon is affected by White Spot Syndrome Virus (WSSV) and the development of shrimp farming has become stagnant.
Most of the Southeast Asian countries like Thailand, Vietnam, Indonesia were also culturing P. monodon and since 2001-02 onwards most of them have shifted to culture of exotic Whiteleg shrimp,Litopenaeus vannamei because of the availability of Specific Pathogen Free (SPF) and Specific Pathogen Resistant (SPR) broodstock. In India, Pilot-scale introduction of L.vannamei was initiated in 2003 and after a risk analysis study large-scale introduction has been permitted in 2009.
Mussels are filter feeders that attach to hard surfaces in coastal waters. They are farmed using various culture methods including raft culture, rack culture, and bottom culture. In raft culture, mussels are seeded onto ropes suspended from floating rafts. Rack culture involves suspending seeded ropes from fixed wooden frames. Bottom culture grows mussels directly on the seafloor. Mussels are harvested once they reach market size, usually within 6-12 months, and are an important source of protein for human consumption as well as playing an ecological role by filtering water.
Mangrove Mud crab Farming discusses two main methods of mud crab farming: grow-out culture and fattening. In grow-out culture, juvenile crabs are grown for 5-6 months in ponds until they reach market size, while fattening involves rearing soft-shelled crabs for a few weeks in ponds or cages until their shells harden. The document provides details on nursery rearing, feeding practices, water quality parameters, health management, and harvesting techniques for both grow-out culture and fattening operations.
This document provides information on culturing various live feed organisms for marine fish hatcheries. It discusses the importance of live feeds over artificial feeds for fish larvae nutrition. Important live feed organisms include rotifers, artemia, and copepods. Details are given on culturing conditions for rotifers, hatching artemia cysts, and culturing copepods. Microalgae cultures are also important for feeding the live feed organisms. The document aims to inform readers on best practices for culturing different live feed options to support marine fish hatcheries.
This document discusses techniques for induced breeding of carp species in hatcheries. It describes the collection of pituitary glands from brood fish and injection of hormones like HCG to stimulate breeding. After conditioning, brood fish are weighed and injected, then placed in hapas or tanks. Water temperature between 25-28°C and oxygen levels of 5-9 mg/L promote successful spawning. Eggs are incubated in glass jars or Chinese circular hatcheries consisting of overhead tanks, spawning tanks, incubation tanks, and receiving tanks, and fry are reared in earthen ponds.
Methods of stomach contetn analyses of fishesrageshsr
This document provides an overview of methods for analyzing the stomach contents of fish to study their feeding habits and diets. There are both qualitative and quantitative techniques. Qualitative analysis identifies prey items, while quantitative methods include numerical (counts), gravimetric (weights), and volumetric. Numerical methods further include occurrence (presence/absence), dominance (main prey bulk), and number (counts of each prey type). The document outlines these various quantitative methods and their appropriate uses and limitations for different types of prey. Accurately analyzing stomach contents requires considering factors like fish size, time of day, and prey availability.
Conservation approach Fish Genetics and Resource Management (FiGR)Ranjan Wagle
This document discusses strategies for conserving fish genetic resources and managing fisheries sustainably. It outlines a conservation model of evaluating existing conditions, planning interventions, and implementing conservation plans. Key reasons to conserve fish include their ecological importance and economic value as food and other products. Conservation approaches discussed include protecting habitats, restricting fishing practices, stock enhancement through aquaculture, and "twinning" aquaculture with conservation of fish genetic resources. The goal is to balance sustainable use of fisheries with conservation through integrated management of fish populations and their habitats.
This document discusses different types of aquaculture systems classified by level of inputs, including extensive, semi-intensive, and intensive systems. Extensive systems include culture-based fisheries and pond and enclosure aquaculture with very low levels of inputs and production of 50-350 kg/acre. Semi-intensive pond systems use some supplemental feeding and fertilization to boost production to 0.5-1.5 tons/acre. Intensive pond and tank systems involve high stocking densities, manufactured feeding, and water management for high production of up to 24 tons/acre.
Biofloc fish farming for sustainable aquacultureOrganicaBiotech1
Biofloc technology is an emerging, eco-friendly and cost-effective approach for sustainable fish farming. Earlier, the biofloc system was used as the means to treat wastewater and control fish production.
culture system - semi intensive, intensive, super intensice and cage.pptxHimanshuPatidar19
This document discusses different types of aquaculture systems including semi-intensive, intensive, and super intensive systems. It also discusses different cage culture systems used in aquaculture like fixed cages, floating cages, submersible cages, and submerged cages. Semi-intensive systems involve stocking fish at moderate densities and relying on natural foods supplemented with feed. Intensive systems rely on artificial feeds and management to maximize yields. Super intensive systems involve very high stocking densities and use of water treatment technologies like recirculating aquaculture systems.
This document discusses biosecurity in aquaculture. It defines biosecurity as measures adopted to secure a disease-free environment in all phases of aquaculture. It identifies different levels of biosecurity including external and internal barriers to prevent the spread of disease. Components of biosecurity include quarantine, sanitation, and disinfection. Recommended protocols for sanitation and disinfection include being careful with live foods, proper storage and usage of manufactured feeds, and good overall system cleanliness. The document also discusses biosecurity strategies for shrimp production specifically.
This presentation gives an overview of various aspects relevant to sustainable aquaculture. it consists of 3 sections:
- what is aquaculture
- threats, challenges & opportunities
- conclusions
Cobia is a marine fish species that is widely farmed in parts of Asia and has potential for aquaculture. The document discusses the life cycle of cobia farming, including collecting wild broodstock, artificial propagation through hormone induction and egg collection, larval rearing where they are fed rotifers and artemia, nursery phases where they are reared in tanks and graded by size, and grow out in net cages in marine environments. Cobia can reach market size of 2-6 kg within a year if reared in suitable conditions with proper feeding and stocking densities.
Cage culture involves confining fish or shellfish within mesh enclosures in existing water bodies like ponds, rivers, and oceans. Some key advantages are the flexibility to use different water resources with minimal initial investment. However, there are also disadvantages like the need for complete diets, high risk of disease transmission due to crowding, potential for localized water quality issues, and limitations to production yields. Cage aquaculture has rapidly expanded in recent decades and continues to adapt to growing global demand through clustering cages and developing more intensive cage farming systems.
The Code of Conduct for Responsible Fisheries (CCRF)Iwl Pcu
The document discusses the Code of Conduct for Responsible Fisheries (CCRF) implemented by the UN's Food and Agriculture Organization (FAO). It provides context on world fisheries, describing their importance for food/nutrition and economies. It outlines the CCRF's goals of sustainable fisheries benefits, and principles for conservation and management. The CCRF structure and actors involved in implementation are described, along with challenges and projects supporting CCRF efforts. The FAO calls for support in further collaborating to implement and fulfill the CCRF.
This document provides taxonomic classification and information about groupers, including their life cycle, reproduction, commonly cultured species, hatchery design considerations, and broodstock acquisition and management. Groupers are popular aquaculture species in Asia-Pacific known for their fast growth and hardiness. They are mostly protogynous hermaphrodites that change sex from female to male. Hatchery design focuses on biosecurity to prevent diseases like viral nervous necrosis. Broodstock are selected based on health and size criteria and held in large tanks before spawning.
Biology and Aquaculture Pearl spot E. suratensisB. BHASKAR
This document provides information on the biology, aquaculture, and culture of Pearl spot fish. Some key points:
- Pearl spot is an indigenous fish found along India's coasts that is important for aquaculture. It is cultured in brackishwater and freshwater environments.
- Details are provided on its classification, life cycle, breeding/spawning behavior, hatchery seed production techniques, and pond preparation for culturing.
- For grow-out culture, Pearl spot can attain market size within 8-10 months under monoculture or polyculture. Yields of 1,000 kg/ha/year are possible at stocking densities of 20,000-30,000 fish/ha. Pro
IntegratedMulti TrophicAquaculture Systems Aquaculture experts Forum.pdfAbd El-Rahman Khattaby
"انضموا إلى محاضرتي على منصة منتدى خبراء الاستزراع السمكي بنظام الأون لاين حيث سأتحدث عن الاستزراع السمكي المتكامل متعدد التغذية. ستكون الفرصة مثالية لاكتساب المعرفة حول هذا الموضوع المهم والتفاعل مع خبراء آخرين في المجال. انضموا وشاركوا في النقاشات القيمة!"
"Join my lecture on the online platform of the Aquaculture Experts Forum as I discuss Integrated Multi-Trophic Aquaculture (IMTA). It's a great opportunity to gain insights into this important topic and engage with other experts in the field. Join us and be part of valuable discussions!"
The document discusses shrimp feed management and nutrition in aquaculture. It provides information on Dr. Abd El Rahman Khattaby's background and credentials. It then discusses key elements of aquaculture like healthy fry, good water quality, land, and high quality feed. The document also discusses fish species diversity in Egypt, fish feeding habits and behaviors, nutrient requirements including protein, lipids, carbohydrates, vitamins and minerals. It notes the importance of properly balancing nutrients in aquaculture feeds.
Why gender equality matters in fisheries and aquaculture?
Why consider gender issues in the fisheries sector?
How can we promote gender equality and empower women in the fisheries sector?
Addressing the problems of poor fish women's in Egypt
Aquaculture continues to significantly expand its production, making it the
fastest-growing food production sector globally.
However, the sustainability of the sector is at stake due to the predicted effects of climate change that are not only a future but also a present reality.
In this Lecture, we review the potential effects of climate change on aquaculture production and its implications on the sector ’ s sustainability.
Various elements of a changing climate, such as rising temperatures, sea-level
rise, diseases and harmful algal blooms, changes in rainfall patterns, the uncertainty of external inputs supplies, changes in sea surface salinity, and
severe climatic events have been discussed. Furthermore, several adaptation options have been presented as well as some gaps in existing knowledge that
require further investigations.
Climate change is affecting natural food levels in oceans and seas in several ways:
1) Rising water temperatures and ocean acidification are damaging coral reefs and reducing habitats for fish and other marine life.
2) Changes in rainfall patterns and melting ice are altering freshwater flows into oceans, affecting food sources and habitats.
3) Increased frequency of extreme weather events like hurricanes are causing disruption to marine ecosystems.
This document discusses traditional and modern aquaculture systems. It describes different aquaculture systems including extensive, semi-intensive and intensive systems. Cage culture and raceway pond systems are introduced as open systems that make use of existing water bodies. Close recirculating aquaculture systems are also summarized as they allow for intensive aquaculture production with environmental control. The document outlines advantages and disadvantages of different aquaculture methods.
Climate change poses threats to the sustainability of aquaculture through rising temperatures, sea level rise, and changes in rainfall and water quality. These impacts include loss of land, damage to coastal habitats, reduced productivity, and increased disease prevalence. Integrated aquaculture-agriculture systems offer opportunities to adapt through more efficient land and water use. Breeding programs, alternative feeds, and renewable energy can also help the sector adapt to climate change impacts. While some regions may see increased aquaculture opportunities, overall production is expected to decline without adaptation measures.
This document discusses sustainable aquaculture and reducing the environmental impacts of intensive aquaculture. It notes that while aquaculture produces only 2% of the world's food from 70% of the planet that is water, a few species dominate global aquaculture. Intensive aquaculture can pollute if it discharges waste effluents and emissions into the environment. The document explores more sustainable aquaculture systems like recirculating aquaculture systems, integrated multi-trophic aquaculture, and biomitcry-inspired designs to mimic natural ecosystems. The goal is to produce more aquaculture in an environmentally-friendly way.