Tilapia Farming

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Tilapia Culture

Author : Abdel-Fattah M. El-Sayed
Publisher : Academic Press
ISBN 13 : 0128165413
Total Pages : 360 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Tilapia Culture by : Abdel-Fattah M. El-Sayed

Download or read book Tilapia Culture written by Abdel-Fattah M. El-Sayed and published by Academic Press. This book was released on 2019-10-16 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tilapia Culture, Second Edition, covers the vital issues of farmed tilapia in the world, including their biology, environmental requirements, semi-intensive culture, intensive culture systems, nutrition and feeding, reproduction, seed production and larval rearing, stress and disease, harvesting, economics, trade, marketing, the role of tilapia culture in rural development and poverty eradication, and technological innovations in, and the environmental impacts of, tilapia culture. In addition, the book highlights and presents the experiences of leading countries in tilapia culture, thus making it ideal for tilapia farmers and researchers who seek the most relevant research and information. The new second edition not only brings the most updated information within each chapter, but also delivers new content on tilapia transfers, introductions and their impacts, the use of probiotics and other additives in tilapia culture, tilapia trade, including marketing, and sustainability approaches and practices, such as management practices, ecosystem approaches to tilapia culture, and value chain analyses of tilapia farming. - Presents the biology of tilapia, including taxonomy, body shapes, geographical distribution, introductions and transfers, gut morphology, and feeding habits - Covers semi-intensive tilapia culture in earthen ponds, tanks, raceways, cages, recirculating systems, and aquaponics - Provides the latest information on brood stock management, production of monosex tilapia, seed production, and larval rearing under different culture systems - Highlights the most common infectious and non-infectious diseases affecting farmed tilapia, with a full description of disease symptoms and treatment measures - Provides an in-depth exploration of tilapia economics, trade and marketing

Tilapia Fish Farming ~ Practical Manual

Author : Mike Rosagast
Publisher : Lulu.com
ISBN 13 : 1300418419
Total Pages : 58 pages
Book Rating : 4.3/5 (4 download)

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Book Synopsis Tilapia Fish Farming ~ Practical Manual by : Mike Rosagast

Download or read book Tilapia Fish Farming ~ Practical Manual written by Mike Rosagast and published by Lulu.com. This book was released on 2012-11-24 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: Table of Contents Chapter One discusses the subject below, while chapter two through eight provides all the know-how information needed for Tilapia fish successful farming. Read our books Preview for additional content information.  Species Origen and Distribution  Mouth-Brooding Tilapia Genera  Tilapia is a Farmed Fish of Biblical Fame  Tilapia Farming Considerations - Tilapia a Super-Fish  Tilapia Fish Old and Modern History  The Potential to Hybridize Tilapia  "Florida Red" Tilapia from Mozambique - Blue Tilapias parents  Tilapia Purebreds and Hybrids Species  Tilapia Sexual Maturity - Tilapia Longevity  Spawning Temperature and duration  Tilapia breeding habits and egg fertilization  Tilapia pawning body weight - egg size - hatching quantities  Environmental requirements

Tilapia Farming: Exploring the Science and Technology of Cultivating a Global Aquaculture Staple

Author :
Publisher : Red Dot Publications
ISBN 13 :
Total Pages : 329 pages
Book Rating : 4./5 ( download)

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Book Synopsis Tilapia Farming: Exploring the Science and Technology of Cultivating a Global Aquaculture Staple by :

Download or read book Tilapia Farming: Exploring the Science and Technology of Cultivating a Global Aquaculture Staple written by and published by Red Dot Publications. This book was released on 2023-10-02 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tilapia Farming Exploring the Science and Technology of Cultivating a Global Aquaculture Staple Description: "Dive into the world of tilapia farming with our comprehensive guide,Tilapia Farming: Exploring the Science and Technology of Cultivating a Global Aquaculture Staple. This meticulously researched and expertly crafted book offers a deep exploration of the fascinating realm of tilapia aquaculture. Whether you're a seasoned aquaculturist or a novice farmer, this book is your ultimate companion on the journey to successful tilapia farming. Unveil the secrets of tilapia farming as you embark on a journey that covers every aspect of this dynamic industry. Explore the origins of tilapia farming, its historical significance in different regions, and its role in addressing global food demand. Delve into the intricate world of tilapia species and classification, understanding the biology and anatomy of these remarkable fish. Unlock the mysteries of tilapia growth patterns and discover how feeding strategies, nutritional requirements, and innovative feeding technologies can optimize your farm's productivity. Navigate through the complexities of tilapia breeding and genetics, and learn the art of disease management and health maintenance to ensure a thriving fish population. As you progress through this enlightening guide, witness the evolution of tilapia farming through groundbreaking innovations, including automation, smart sensors, and sustainable feeding practices. Understand the environmental implications of feeding practices and the importance of responsible sourcing in safeguarding our planet. This book doesn't just stop at the science – it takes you into the heart of the industry, discussing economic development, sustainability, and the critical role of tilapia farming in addressing global ecological challenges and climate change. Discover inspiring case studies, practical tips, and expert insights that bring the world of tilapia farming to life. Tilapia Farming: Exploring the Science and Technology of Cultivating a Global Aquaculture Staple is a timeless resource for anyone passionate about aquaculture, sustainability, and the future of food production. Whether you're a tilapia farmer, researcher, or simply intrigued by the world of aquaculture, this book is your comprehensive guide to mastering the art and science of tilapia farming. Don't miss your chance to be part of the tilapia farming revolution – grab your copy today!" List this informative and engaging book for sale to share the knowledge and insights gained from this chat with a wider audience interested in tilapia farming and aquaculture. Here's a list of the subjects covered in the book "Tilapia Farming: From Basics to Innovations": Introduction Purpose of the book Importance of tilapia farming in the global food industry Origins of Tilapia Farming Early cultivation practices in ancient civilizations Historical significance of tilapia farming in different regions Tilapia Species and Classification Overview of different species of tilapia Classification and taxonomy of tilapia Biology and Anatomy of Tilapia Morphological characteristics of tilapia Internal anatomy and physiological processes Tilapia Growth Patterns Factors influencing growth rates in tilapia Growth stages and size variations Reproduction Methods in Tilapia Natural reproduction processes Artificial reproduction techniques and their applications Nutritional Requirements of Tilapia Essential nutrients for tilapia growth and development Feeding strategies and dietary considerations Water Quality Management in Tilapia Farming Importance of water quality for tilapia health Monitoring and maintaining optimal water conditions Tilapia Farming Systems Overview of different farming systems (ponds, cages, recirculating systems) Advantages and disadvantages of each system Tilapia Breeding and Genetics Selective breeding for desirable traits Genetic improvement and hybridization techniques Tilapia Health and Disease Management Common diseases and health issues in tilapia Prevention, diagnosis, and treatment methods Tilapia Feed and Feeding Practices Types of feed and their nutritional composition Feeding strategies and feed management techniques Innovations in Tilapia Feeding Automated feeding systems and smart sensors Streamlining the feeding process for improved growth rates Nutritional Requirements and Dietary Considerations Tailoring diets to meet the specific needs of tilapia Use of alternative protein sources for sustainability Feed Quality and Safety Sourcing high-quality feeds Assessing feed labels and safety standards Environmental Implications of Feeding Practices Sustainable sourcing and responsible feed conversion ratios Minimizing feed waste for reduced ecological impact Addressing Ecological Challenges Tilapia's role in addressing environmental challenges Farming in challenging environmental conditions Tables of Facts Related to Tilapia Farming and Technology Random facts and information for reference Feeding Rate Table Guidelines for feeding rates based on various factors Conclusion Recap of key points covered in the book Future outlook for tilapia farming and its potential impact on global food production These comprehensive subjects provide readers with a holistic understanding of tilapia farming, from its historical origins to cutting-edge innovations and its role in addressing global challenges. 329 pages ebook: pdf and epub available

SOCIAL AND ECONOMIC PERFORMANCE OF TILAPIA FARMING IN AFRICA

Author : Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
ISBN 13 : 9251097569
Total Pages : 158 pages
Book Rating : 4.2/5 (51 download)

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Book Synopsis SOCIAL AND ECONOMIC PERFORMANCE OF TILAPIA FARMING IN AFRICA by : Food and Agriculture Organization of the United Nations

Download or read book SOCIAL AND ECONOMIC PERFORMANCE OF TILAPIA FARMING IN AFRICA written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 2018-05-28 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume includes five studies on tilapia farming in Egypt, Ghana, Kenya, Nigeria and Uganda, which together accounted for nearly 95 percent of Africa’s tilapia aquaculture production in the mid-2010s. Tilapia value chains are analysed from various perspectives: technical, economic, social and institutional.

Social and economic performance of tilapia farming in Brazil

Author : Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
ISBN 13 : 9251316198
Total Pages : 56 pages
Book Rating : 4.2/5 (513 download)

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Book Synopsis Social and economic performance of tilapia farming in Brazil by : Food and Agriculture Organization of the United Nations

Download or read book Social and economic performance of tilapia farming in Brazil written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 2019-07-08 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tilapia is the most popular aquaculture species item farmed in over 120 countries or territories worldwide. Global tilapia aquaculture production grew 11 percent annually (or 13 percent in terms of farmgate value) over the past three decades, from 0.3 million tonnes (USD 304 million) in 1987 to 5.9 million tonnes (USD 11 billion) in 2017. Aquaculture production in Brazil increased 14 percent annually (or 12 percent in terms of farmgate value), from 13 000 tonnes (USD 56 million) in 1987 to 595 000 tonnes (USD 1.5 billion) in 2017, making it a regional aquaculture powerhouse contributing to 20 percent of Latin America and the Caribbean’s aquaculture production in 2017. In Brazil, tilapia has been the largest aquaculture item, contributing to nearly half of the country’s aquaculture production tonnage in 2017. This document assesses tilapia farming and the value chain in Brazil by examining tilapia farming technology and practices, dissecting the tilapia value chain, evaluating the sector’s social and economic performance, discussing the importance of proper governance to the sector development, and highlighting potentials, issues, constraints and challenges in the development of tilapia farming or aquaculture in general in Brazil.

Biology and Aquaculture of Tilapia

Author : José Fernando López-Olmeda
Publisher : CRC Press
ISBN 13 : 100048243X
Total Pages : 379 pages
Book Rating : 4.0/5 (4 download)

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Book Synopsis Biology and Aquaculture of Tilapia by : José Fernando López-Olmeda

Download or read book Biology and Aquaculture of Tilapia written by José Fernando López-Olmeda and published by CRC Press. This book was released on 2021-11-10 with total page 379 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reviews up-to-date knowledge on the biology and aquaculture of tilapia, with special focus on the Nile tilapia (Oreochromis niloticus). Tilapia are a group of fish species that have become one of the most cultured worldwide, currently having a big economic impact on both developed and developing countries. The first 12 chapters of the present book cover different aspects of tilapia biology such as genetics, nutrition, osmoregulation, pathology, reproduction and development. Each chapter includes both basic knowledge and its application to tilapia culture. The last 3 chapters are devoted to cutting-edge techniques for the industry of tilapia aquaculture. Experts from both academia and research institutes provide their expertise on the present book.

The Third International Symposium on Tilapia in Aquaculture

Author : Roger S. V. Pullin
Publisher : WorldFish
ISBN 13 : 9718709428
Total Pages : 586 pages
Book Rating : 4.7/5 (187 download)

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Book Synopsis The Third International Symposium on Tilapia in Aquaculture by : Roger S. V. Pullin

Download or read book The Third International Symposium on Tilapia in Aquaculture written by Roger S. V. Pullin and published by WorldFish. This book was released on 1996-01-01 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Second International Symposium on Tilapia in Aquaculture

Author : Roger S. V. Pullin
Publisher : WorldFish
ISBN 13 : 9711022583
Total Pages : 585 pages
Book Rating : 4.7/5 (11 download)

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Book Synopsis The Second International Symposium on Tilapia in Aquaculture by : Roger S. V. Pullin

Download or read book The Second International Symposium on Tilapia in Aquaculture written by Roger S. V. Pullin and published by WorldFish. This book was released on 1988 with total page 585 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Tilapia Aquaculture in Mexico - Assessment with a focus on social and economic performance

Author : Martínez-Cordero, F.J., Delgadillo, T.S., Sanchez-Zazueta, E. & Cai, J.
Publisher : Food & Agriculture Org.
ISBN 13 : 9251339546
Total Pages : 80 pages
Book Rating : 4.2/5 (513 download)

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Book Synopsis Tilapia Aquaculture in Mexico - Assessment with a focus on social and economic performance by : Martínez-Cordero, F.J., Delgadillo, T.S., Sanchez-Zazueta, E. & Cai, J.

Download or read book Tilapia Aquaculture in Mexico - Assessment with a focus on social and economic performance written by Martínez-Cordero, F.J., Delgadillo, T.S., Sanchez-Zazueta, E. & Cai, J. and published by Food & Agriculture Org.. This book was released on 2021-02-15 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: The world tilapia aquaculture production grew from 380 000 tonnes in 1990 to 6 million tonnes in 2018, making it the fourth-largest species group in global aquaculture. Tilapias are the second-largest species group in Mexico’s aquaculture with its 53 000 tonnes of production contributing to around 20 percent of the 247 000 tonnes of total aquaculture production in 2018. Mexico is the second-largest tilapia capture fisheries country, and its 116 000 tonnes of tilapia capture fisheries production in 2018 was primarily contributed by culture-based fisheries. Overall, Mexico is the second-largest international market for tilapia products, and the 228 000 tonnes live weight equivalent of its tilapia import in 2018 was higher than its domestic production. The average per capita apparent tilapia consumption in Mexico was 3.08 kg (21 percent of its total fish consumption) in 2018, which was much higher than the 0.9 kg world average. This document assesses tilapia farming and the value chain in Mexico by examining tilapia farming systems and practices, dissecting the tilapia value chain, evaluating the sector’s social and economic performance, discussing the impacts of proper governance and institutions on the sector development, and highlighting potentials, issues, constraints and challenges in the development of tilapia farming or aquaculture in general. The document ends with a brief discussion of the impacts of the ongoing coronavirus disease 2019 pandemic on the tilapia industry in the country.

Characterization of fish farming practices and performance: Baseline study and implications for accelerating aquaculture development in Ghana

Download Characterization of fish farming practices and performance: Baseline study and implications for accelerating aquaculture development in Ghana PDF Online Free

Author : Ragasa, Catherine
Publisher : Intl Food Policy Res Inst
ISBN 13 :
Total Pages : 43 pages
Book Rating : 4./5 ( download)

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Book Synopsis Characterization of fish farming practices and performance: Baseline study and implications for accelerating aquaculture development in Ghana by : Ragasa, Catherine

Download or read book Characterization of fish farming practices and performance: Baseline study and implications for accelerating aquaculture development in Ghana written by Ragasa, Catherine and published by Intl Food Policy Res Inst. This book was released on 2020-06-19 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past decade, the aquaculture sector in Ghana has experienced tremendous growth—driven mainly by large-scale cage farms—but it has been unclear how the rural poor have shared in this growth. A research project has been initiated to help diagnose, design, and test interventions for better inclusion of the rural poor, women, and youth in the tilapia value chain. This report describes the baseline data on 603 small-scale tilapia farmers in Ghana. The data collected during two-hour face-to-face interviews during May–July 2019 are disaggregated by socioeconomic indicators, gender, and age group. Baseline data show that 9 percent of farm managers and owners were women, and an additional 9 percent of farms engaged women in some decision-making. Moreover, women contributed 16 percent of family labor and 5 percent of hired labor on farms. Youth represented 14 and 24 percent of owners and managers, respectively, but contributed 68 percent of the total family and hired labor on farms. A large majority of managers and owners had at least high school education, with a third of owners and a quarter of managers attaining at least a college degree. In Brong Ahafo and Ashanti regions especially, most farmers engaged mainly in crop farming and non-farm businesses as their main livelihood, with fish farming as a small contributor to overall household income and livelihood. Farmers in all regions had poor record-keeping and management practices and low compliance with sanitation, fish health, and food safety standards. A wide variety of input usage, management practices, and performance was observed among fish farms. As a result, the profitability of fish farms was also wide-ranging, between –12.00 and 46.00 cedi per m2, with an average of 8.82 cedi per m2. Despite wide variability in production and profits, the majority of farmers experienced positive profits. On average, a farmer received a profit of 2.4 cedi per kilogram of tilapia produced or a 27 percent profit margin. These encouraging figures indicate that farmers who adopt good aquaculture practices can achieve respectable profits.

An Evaluation of Small-scale Freshwater Rural Aquaculture Development for Poverty Reduction

Author :
Publisher : Asian Development Bank
ISBN 13 : 9715615503
Total Pages : 178 pages
Book Rating : 4.7/5 (156 download)

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Book Synopsis An Evaluation of Small-scale Freshwater Rural Aquaculture Development for Poverty Reduction by :

Download or read book An Evaluation of Small-scale Freshwater Rural Aquaculture Development for Poverty Reduction written by and published by Asian Development Bank. This book was released on 2005 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report looks at small-scale aquaculture from the viewpoint of poverty reduction. What are the main factors that enable fish farming to generate livelihoods and reduce poverty? Based on case studies, the first part of the report highlights the importance of access to capital assets--human, social, natural, physical, and financial--and to a range of transforming processes, such as markets, institutions, facilities, infrastructure, and services.

Novel Approaches Toward Sustainable Tilapia Aquaculture

Author : Seyed Hossein Hoseinifar
Publisher : Springer Nature
ISBN 13 : 3031383214
Total Pages : 271 pages
Book Rating : 4.0/5 (313 download)

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Book Synopsis Novel Approaches Toward Sustainable Tilapia Aquaculture by : Seyed Hossein Hoseinifar

Download or read book Novel Approaches Toward Sustainable Tilapia Aquaculture written by Seyed Hossein Hoseinifar and published by Springer Nature. This book was released on 2023-12-29 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: The global human population will reach nine billion by 2050, and seafood is projected to be the primary food source to sustain such a large population. According to a recent World Bank report, aquaculture will be the prime source of seafood by 2030. Tilapia is one of the promising species for commercial aquaculture and one of the second most farmed fish worldwide. Given the issues raised by Antibiotic misuse in intensive aquaculture, such as the occurrence of resistant bacteria, it is necessary to develop environment-friendly strategies that could be used to improve production in a sustainable manner. Also, there is a need to establish the best aquaculture practice (BAP) approaches to avoid significant disruption to the ecosystem, the loss of biodiversity, and substantial pollution impact on the environment. The book covers the recent findings regarding sustainable tilapia farming through environment-friendly approaches. This book contains chapters that cover the current status of world tilapia farming and the concept of sustainability of tilapia culture (Chap. 1). Chap. 2 discusses the health management of tilapia with a particular focus on various diseases and treatments. Chap. 3 provides an updated view of the possible effects of feed additives on tilapia reproductive performance. Chap. 4, 5, and 6 cover the recent findings on the gut microbiota of tilapia with a particular focus on structure and modulation. Chap. 7 focuses on the use of medicinal plants for sustainable tilapia farming. Chap. 8 provides insights into the application of alternative protein sources to decrease fish meal consumption. Chap. 9 highlights the importance of culture systems for the development of sustainable tilapia aquaculture. We believe the current book will be very helpful to academics, researchers, and policy-makers in aquaculture.

Assessment of Freshwater Fish Seed Resources for Sustainable Aquaculture

Author : Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
ISBN 13 : 9789251058954
Total Pages : 670 pages
Book Rating : 4.0/5 (589 download)

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Book Synopsis Assessment of Freshwater Fish Seed Resources for Sustainable Aquaculture by : Food and Agriculture Organization of the United Nations

Download or read book Assessment of Freshwater Fish Seed Resources for Sustainable Aquaculture written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 2007 with total page 670 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication is presented in two parts.

Tilapia

Author : Carl D Webster
Publisher : CRC Press
ISBN 13 : 1040285317
Total Pages : 704 pages
Book Rating : 4.0/5 (42 download)

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Book Synopsis Tilapia by : Carl D Webster

Download or read book Tilapia written by Carl D Webster and published by CRC Press. This book was released on 2024-11-01 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt: Learn to maximize tilapia production in different areas around the world Tilapia is the second-most cultured fish species in the world, and its production is increasing each year. However, for several reasons profit margins remain slim. Tilapia: Biology, Culture, and Nutrition presents respected international experts detailing every aspect of tilapia production around the world. Biology, breeding and larval rearing, farming techniques, feeding issues, post-harvest technology, and industry economics are clearly presented. This concise yet extensive reference provides the latest research and practical information to efficiently and economically maximize production in diverse locales, conditions, and climates. Tilapia: Biology, Culture, and Nutrition comprehensively explores all types of tilapia with a detailed biologic description of the fish that takes readers from egg through harvesting. The book authoritatively discusses production issues such as feed nutrition, temperature, water quality, parasites, and disease control to guide readers on how to best encourage fast, efficient growth. Economic and marketing information are examined, including industry data and projections by country. Each chapter approaches a specific facet of tilapia and provides the most up-to-date research available in that area. This resource gives the most current, detailed information needed for effective tilapia farming in one compact economical volume. Extensively referenced with an abundance of clear, helpful tables, photographs, and figures. Tilapia: Biology, Culture, and Nutrition discusses in detail: complete biology, including sex ratios, optimum temperatures for growth and spawning, water quality parameters, and disease tolerance industry predictions hormonal control of growth genetic improvement sex determination, manipulation, and control seed production culture practices earthen and lined pond production culture in flowing water cage culture feed formulation and processing, and feeding management soil, water, and effluent quality saline tolerance levels with optimum rate of acclimation to seawater polyculture of tilapia with shrimp bottom soil conditions nutrient requirements with non-nutrient components parasites and diseases Tilapia: Biology, Culture, and Nutrition is essential reading for aquaculturists, nutritionists, geneticists, hatchery managers, feed formulators, feed mill operators, extension specialists, tilapia growers, fish farmers/producers, educators, disease specialists, aquaculture veterinarians, policy makers, educators, and students.

Make a living through fish farming

Author : CTA
Publisher : CTA
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4./5 ( download)

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Book Synopsis Make a living through fish farming by : CTA

Download or read book Make a living through fish farming written by CTA and published by CTA. This book was released on 2007-08-01 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: This 8-page fold-out leaflet, practical for use in the field and easy to read, covers the subject of fish-farming. It gives some background to the subject, outlines processes and provides tips, tables and explanatory line drawings.

Socioeconomic Impact and Farmer's Assessment of Nile Tilapia (Oreochromis Niloticus) Culture in Bangladesh

Author : Modadugu V. Gupta
Publisher : WorldFish
ISBN 13 : 9718709231
Total Pages : 56 pages
Book Rating : 4.7/5 (187 download)

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Book Synopsis Socioeconomic Impact and Farmer's Assessment of Nile Tilapia (Oreochromis Niloticus) Culture in Bangladesh by : Modadugu V. Gupta

Download or read book Socioeconomic Impact and Farmer's Assessment of Nile Tilapia (Oreochromis Niloticus) Culture in Bangladesh written by Modadugu V. Gupta and published by WorldFish. This book was released on 1992-01-01 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Strategic Reassessment of Fish Farming Potential in Africa

Author : José Aguilar-Manjarrez
Publisher : Food & Agriculture Org.
ISBN 13 : 9789251041390
Total Pages : 196 pages
Book Rating : 4.0/5 (413 download)

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Book Synopsis A Strategic Reassessment of Fish Farming Potential in Africa by : José Aguilar-Manjarrez

Download or read book A Strategic Reassessment of Fish Farming Potential in Africa written by José Aguilar-Manjarrez and published by Food & Agriculture Org.. This book was released on 1998 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: "(Reprint. First published in 1998) The present study is an update of an earlier assessment of warm-water fish farming potential in Africa, by Kapetsky (1994). The objective of this study was to assess locations and areal expanses that have potential for warm-water and temperate-water fish farming in continental Africa. The study was based on previous estimates for Africa by the above author, and on estimates of potential for warm-water and temperate-water fish farming in Latin America by Kapetsky and Nath (1997). However, a number of refinements have been made. The most important refinement was that new data allowed a sevenfold increase in resolution over that used in the previous Africa study, and a twofold increase over that of Latin America (i.e. to 3 arc minutes, equivalent to 5 km x 5 km grids at the equator), making the present results more usable in order to assess fish farming potential at the national level. A geographical information system (GIS) was used to evaluate each grid cell on the basis of several land-quality factors important for fish-farm development and operation regardless of the fish species used. Protected areas, large inland water bodies and major cities were identified as constraint areas, and were excluded from any fish farming development altogether. Small-scale fish farming potential was assessed on the basis of four factors: water requirement from ponds due to evaporation and seepage, soil and terrain suitability for pond construction based on a variety of soil attributes and slopes, availability of livestock wastes and agricultural by-products as feed inputs based on manure and crop potential, and farm-gate sales as a function of population density. For commercial farming, an urban market potential criterion was added based on population size of urban centres and travel time proximity. Both small-scale and commercial models were developed by weighting the above factors using a multi-criteria decision-making procedure. A bioenergetics model was incorporated into the GIS to predict, for the first time, fish yields across Africa. A gridded water temperature data set was used as input to a bioenergetics model to predict number of crops per year for the following three species: Nile tilapia (Oreochromis niloticus), African catfish (Clarias gariepinus) and Common carp (Cyprinus carpio). Similar analytical approaches to those by Kapetsky and Nath (1997) were followed in the yield estimation. However, different specifications were used for small-scale and commercial farming scenarios in order to reflect the types of culture practices found in Africa. Moreover, the fish growth simulation model, documented in Kapetsky and Nath (1997), was refined to enable consideration of feed quality and high fish biomass in ponds. The small-scale and commercial models derived from the land-quality evaluation were combined with the yield potential of each grid cell for each of the three fish species to show the coincidence of each land-quality suitability class with a range of yield potentials. Finally, the land quality-fish yield potential combinations were put together to show where the fish farming potential coincided for the three fish species."