Download or read book Digestibility of Protein and Energy Components in Diet Ingredients for Rainbow Trout Oncorhynchus Mykiss written by Ahmed Yimam and published by . This book was released on 1989 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy and Nitrogen balances in rainbow trout Oncorhynchus mykiss fed at largely varying feeding intensities written by Feyza Sanver and published by Cuvillier Verlag. This book was released on 2004 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Effect of Bioactive Components in Low Fish Meal Diet on Rainbow Trout Oncorhynchus Mykiss written by Marine Rolland and published by . This book was released on 2010 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rainbow trout were fed 9 weeks with 9 diets (2 replicates for each diet) design to study the effect of taurine and other related bioactive components included in low fish meal recipe on performances, nutrient digestibilities and taurine content in the fish. The SGR and FCR were not affected by the different recipes or components tested. Taurine content in the feed appear to have positive correlation with taurine body level without affecting lipid digestibility. Soybean meal was found to affect protein and carbohydrates digestibilities and to have a possible negative effect on bile salts synthesis and reabsorption. Taurocholate results needed some more analysis before conclude any statement. Results confirm that rainbow trout are able to synthesise taurine from cystine and moreover that the synthesis from the cystine might be preferred as the taurine uptake from the feed when the cystine level in the diet is high.
Download or read book Nutrient Requirements of Fish and Shrimp written by National Research Council and published by National Academies Press. This book was released on 2011-05-25 with total page 810 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aquaculture now supplies half of the seafood and fisheries products consumed worldwide and is gaining international significance as a source of food and income. Future demands for seafood and fisheries products can only be met by expanded aquaculture production. Such production will likely become more intensive and will depend increasingly on nutritious and efficient aquaculture feeds containing ingredients from sustainable sources. To meet this challenge, Nutrient Requirements of Fish and Shrimp provides a comprehensive summary of current knowledge about nutrient requirements of fish and shrimp and supporting nutritional science. This edition incorporates new material and significant updates to information in the 1993 edition. It also examines the practical aspects of feeding of fish and shrimp. Nutrient Requirements of Fish and Shrimp will be a key resource for everyone involved in aquaculture and for others responsible for the feeding and care of fish and shrimp. It will also aid scientists in developing new and improved approaches to satisfy the demands of the growing aquaculture industry.
Download or read book Nutrition and Feeding of Rainbow Trout written by J. W. Hilton and published by Government of Canada, Fisheries and Oceans, Scientific Information and Publications Branch. This book was released on 1981 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: This special publication is designed to describe the basic elements of salmonid nutrition. Described are the requirements and functions of nutrients. The feed formulation for salmonids is described, together with the quality control parameters for the most important ingredients in salmonid diets. All fish feeds must be processed to produce feed particles of appropriate size for fish of different ages and sizes. The digestibility and balance of nutrients assumes greater importance in diets for fish because of the importance of preventing eutrophication and increasing the biological oxygen demand in the fish pond. Guides have been established indicating the amount of feed to give daily to fish of various sizes and water temperatures. Fish are poikilotherms whose body temperature, metabolic rate and feeding activity varies with the ambient water temperature. Feeding rates and growth rates are reduced as the temperature is decreased from 15 to 4 C.
Download or read book Oncorhynchus Advances in Research and Application 2012 Edition written by and published by ScholarlyEditions. This book was released on 2012-12-26 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oncorhynchus—Advances in Research and Application: 2012 Edition is a ScholarlyBrief™ that delivers timely, authoritative, comprehensive, and specialized information about Oncorhynchus in a concise format. The editors have built Oncorhynchus—Advances in Research and Application: 2012 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Oncorhynchus in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Oncorhynchus—Advances in Research and Application: 2012 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
Download or read book The Progressive Fish Culturist written by U.S. Fish and Wildlife Service and published by . This book was released on 1997 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Progressive Fish culturist written by and published by . This book was released on 1988 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nutrient Requirements and Feeding of Finfish for Aquaculture written by Carl D. Webster and published by CABI. This book was released on 2002-02-01 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: Good nutrition is fundamental to the success and sustainability of the aquaculture industry in terms of economics, fish health, high quality product production and minimizing environmental pollution. This book provides a unique, complete coverage of current information on nutrientrequirements, feed formulations and feeding practices of commercially important aquaculture species cultured around the world. Each chapter contains detailed feeding information on specific species and is written by an expert nutritionist on that species. The book is of interest to those workingprofessionally in the industry, graduate level students and researchers.
Download or read book Handbook on Ingredients for Aquaculture Feeds written by J.W. Hertrampf and published by Springer Science & Business Media. This book was released on 2003-07-31 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt: Current growth in global aquaculture is paralleled by an equally significant increase in companies involved in aquafeed manufacture. Latest information has identified over 1,200 such companies, not including those organizations in production of a variety of other materials, i. e. , vitamins, minerals, and therapeutics, all used in varying degrees in proper feed formulation. Aquaculture industries raising particular economically valued species, i. e. , penaeid shrimps and salmonids, are making major demands on feed ingredients, while relatively new industries, such as til apia farming, portent a significant acceleration in demand for properly formulated aquafeeds by the end of the present decade and into the next century. As requirements for aquafeeds increases, shortages are anticipated in various ingredients, especially widely used proteinaceous resources such as fish meal. A variety of other proteinaceous commodities are being considered as partial or complete replacement for fish meal, especially use of plant protein sources such as soybean meal. In the past five years, vegetable protein meal production has increased 10% while fish meal production has dropped over 50%, since 1989, largely attributed to overfishing and serious decline in wild stock. Throughout fisheries processing industries, traditional concepts as "waste" have given way to more prudent approaches, emphasizing total by-product recovery. Feed costs are a major consideration in aquaculture where in some groups, i. e. , salmonids, high protein-containing feeds using quality fish meal, can account for as much as 40 to 60% of production costs.
Download or read book Improving and Characterizing the Nutritive Value of Feather Meal Using Rainbow Trout Oncorhynchus Mykiss as a Biological Model written by Guillaume Pfeuti and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Feather meal (FeM) is a high-protein and cost-effective feed ingredient, made from the steam-hydrolysis of keratin waste products generated by the animal processing industry. Keratins are composed of ~90% indigestible protein highly cross-linked with disulphide bridges. Steam-hydrolysis promotes the disruption of disulphide, peptide, and hydrogen bonds, allowing peptides to become digestible and amino acids absorbable. The variability of the nutritional value of FeM is the result of the use of different raw materials and processing conditions during the production of this ingredient. Variations of heat processing conditions create disparities of disulphide conformers, D-amino acids, and cross-linked amino acids contents, and these affect the nutritional value of protein ingredients. Better understanding of the chemical interactions occurring during the processing of FeM would enable the development of methods to improve and estimate the nutritional value of this ingredient, which could assure the quality of FeM to feed stakeholders. FeMs were hydrolyzed using a novel enzymatic pre-treatment with the aim of better understanding the effects of peptide and disulphide bonds on the digestibility of amino acids and bioavailability of test amino acids (arginine) in this ingredient by rainbow trout. In a first study, a bench-scale trial was carried out to determine the potential of incubating FeM with sodium sulfite and proteases to cleave disulphide and peptide bonds, respectively. Subsequently, a pre-treatment to improve the nutritional value of FeMs was developed. In a second study, the bioavailability of arginine in two FeMs and in their pre-treated counterpart (PTFeM) were assessed through a growth trial using rainbow trout. In follow up studies, the apparent digestibility of amino acids in the same FeMs and PTFeMs were assessed in rainbow trout. The disulphide and cross-linked amino acid contents in the four ingredients were quantified in an attempt to determine the factors affecting their digestibility and bioavailability. Results from this thesis demonstrate that a simple treatment targeting the disruption of disulphide and peptide bonds effectively improves the bioavailability of arginine and the digestibility of amino acids in FeMs. Furthermore, this thesis gives insight on the effect of structural and chemical characteristics of protein on the nutritional value of FeM.
Download or read book Aspects of Food Production Consumption and Energy Values written by Geoffrey Howard Bourne and published by . This book was released on 1990 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fish Ecophysiology written by J.C. Rankin and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: Among the fishes. a remarkably wide range of biological adaptations to diverse habitats has evolved. As well as living in the conventional habitats of lakes. ponds, rivers, rock pools and the open sea, fish have solved the problems of life in deserts. in the deep sea. in the cold antarctic. and in warm waters of high alkalinity or of low oxygen. Along with these adaptations, we find the most impressive specialisations of morphology, physiology and behaviour. For example we can marvel at the high-speed swimming of the marlins. sailfish and warm-blooded tunas, air-breathing in catfish and lungfish. parental care in the mouth-brooding cichlids and viviparity in many sharks and toothcarps. Moreover, fish are of considerable importance to the survival of the human species in the form of nutritious. delicious and diverse food. Rational exploi management of our global stocks of fishes must rely upon a detailed tation and and precise insight of their biology. The Chapman [.,. Hall Fish and Fisheries series aims to present timely volumes reviewing important aspects of fish biology. Most volumes will be of interest to research workers in biology. zoology. ecology and physiology but an additional aim is for the books to be accessible to a wide spectrum of non-specialist readers ranging from undergraduates and postgraduates to those with an interest in industrial and commercial aspects of IIsh and t1sheries.
Download or read book Fish Nutrition written by Ronald W. Hardy and published by Academic Press. This book was released on 2021-10-19 with total page 924 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fish Nutrition, Fourth Edition is an up-to-date, authoritative presentation of all key elements of the nutrition of fish and crustaceans. As aquaculture is rapidly expanding, more than 200 herbivorous and carnivorous species occupy a diverse range of ecological niches, and have therefore evolved to utilize a wide array of food sources. This new edition highlights these differences and covers the complexity and challenges associated with fish nutrition, addressing nutrient requirements to produce high-quality, healthful and sustainable resources, the essential nutrients for fish species, including proteins and amino acids, vitamins, minerals and essential fatty acids, a feed quality assessment, and fish pathology. Led by a team of international experts, this edition provides readers with new information on the use of high-throughput technologies in fish nutrition research, the role of feeds on the community structure of the microbiome, and advances in essential nutrient requirements. Features expansive updates to the previous edition, including a new chapter dedicated to diet analysis and evaluation Addresses the roles of fish nutrition and feeds on sustainability and the environmental impacts of aquaculture Covers basic nutritional biochemistry and applied nutritional topics
Download or read book The Effect of Dietary Nucleotide Supplementation on Growth and Feed Efficiency of Rainbow Trout Oncorhynchus Mykiss Fed Fish Meal Free and Animal Protein Free Diets written by Bing Liu and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Effects of dietary nucleotide supplementation on growth and feed efficiency in rainbow trout (initial weight = 25 g/fish) were conducted in a 70-day growth trial. One control diet and two basal diets (25%, 5% and 0% fish meal, respectively) were formulated using high levels of highly digestible plant protein ingredients to meet all the known nutrient requirements of rainbow trout. Two basal diets were supplemented with four increasing levels (0, 8, 16 and 24 ppm, respectively) of nucleotides using a commercial supplement (Laltide®, Lallemand Inc. Qc, Canada). Nucleotide supplementation levels significantly (p
Download or read book New Technologies in Aquaculture written by Gavin Burnell and published by Elsevier. This book was released on 2009-07-30 with total page 1226 pages. Available in PDF, EPUB and Kindle. Book excerpt: With wild stocks declining due to over-fishing, aquaculture will have a more significant role to play in meeting future demand for fresh fish. Developments in research continue to lead to improvements in aquaculture production systems, resulting in increased production efficiency, higher product quality for consumers and a more sustainable industry. New technologies in aquaculture reviews essential advances in these areas. Part one focuses on the genetic improvement of farmed species and control of reproduction, with chapters on genome-based technologies in aquaculture research, selective breeding and the production of single sex and sterile populations, among other topics. Parts two and three review key issues in health, diet and husbandry, such as the control of viral and parasitic diseases, diet and husbandry techniques to improve disease resistance, advances in diets for particular fish species and the impact of harmful algal bloom on shellfisheries aquaculture. Chapters in Parts three and four then examine the design of different aquaculture production systems, including offshore technologies, tank-based recirculating systems and ponds, and key environmental issues, such as the prediction and assessment of the impact of aquaculture. Concluding chapters focus on farming new species. With its well-known editors and distinguished international team of contributors, New technologies in aquaculture is an essential purchase for professionals and researchers in the aquaculture industry. Reviews recent advances in improvements in aquaculture production Focuses on the genetic improvement and reproduction of farmed species, including genome-based technologies Discusses key health issues, including advances in disease diagnosis, vaccine development and other emerging methods to control pathogens in aquaculture
Download or read book Microalgal Biotechnology written by Eduardo Jacob-Lopes and published by BoD – Books on Demand. This book was released on 2018-06-27 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microalgal Biotechnology presents an authoritative and comprehensive overview of the microalgae-based processes and products. Divided into 10 discreet chapters, the book covers topics on applied technology of microalgae. Microalgal Biotechnology provides an insight into future developments in each field and extensive bibliography. It will be an essential resource for researchers and academic and industry professionals in the microalgae biotechnology field.
