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Author: Stephen Drummond Sedgwick
Publisher: Wiley-Blackwell
ISBN: 9780852382325
Category : Technology & Engineering
Languages : en
Pages : 176
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Book Description
The sixth edition of the standard guide for trout farmers covers the latest developments and new opportunities, not only for rainbow trout farming in the sea but also for hatching and growing brown trout for angling. The design and construction of trout farms is clearly outlined and every stage of trout production is dealt with in detail: hatching and fry production, fish feeds and feeding, hygiene and the prevention and treament of disease, and the management of brood stock. Processing and marketing are discussed together with ways and means of increasing profability. Special attention is given to the prevention of pollution and protection of the environment and to recent developments such as cage farms in deep lakes, disease control and vaccination against disease, and co-operative farming.
Author: Stephen Drummond Sedgwick
Publisher: Wiley-Blackwell
ISBN: 9780852382325
Category : Technology & Engineering
Languages : en
Pages : 176
Get Book Here
Book Description
The sixth edition of the standard guide for trout farmers covers the latest developments and new opportunities, not only for rainbow trout farming in the sea but also for hatching and growing brown trout for angling. The design and construction of trout farms is clearly outlined and every stage of trout production is dealt with in detail: hatching and fry production, fish feeds and feeding, hygiene and the prevention and treament of disease, and the management of brood stock. Processing and marketing are discussed together with ways and means of increasing profability. Special attention is given to the prevention of pollution and protection of the environment and to recent developments such as cage farms in deep lakes, disease control and vaccination against disease, and co-operative farming.
Author: Stephen Drummond Sedgwick
Publisher: Conran Octopus
ISBN:
Category : Nature
Languages : en
Pages : 168
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Book Description
Author: Ronald J. Roberts
Publisher: Fishing News Books
ISBN:
Category : Medical
Languages : en
Pages : 186
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Book Description
Author: Tom Rosenbauer
Publisher: Simon and Schuster
ISBN: 1629141542
Category : Sports & Recreation
Languages : en
Pages : 142
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Book Description
Every fly fisher would agree that knowing your mayflies from your stoneflies is strongly correlated with a successful day on the water. This knowledge is vital because, as author Tom Rosenbauer notes, trout are shy and careful and can be fussy about what they eat. In addition, they won’t hesitate to swim away and leave a meal if they feel threatened. In The Orvis Streamside Guide to Trout Foods and Their Imitations, Rosenbauer explains how and when to use many types of trout foods, including aquatic insects, terrestrial insects, crustaceans, and more. Designed with both the novice and intermediate fly fisher in mind, Rosenbauer teaches readers how to: Ambush trout Identify types of insects Present trout food properly Observe what trout are eating Use imitation trout foods And more With The Orvis Streamside Guide to Trout Foods and Their Imitations at their sides, fly fishermen will be able to tell the difference between mayflies, stoneflies, caddisflies, midges, and a variety of other insects. In addition, they will also know when to use real foods and when to rely on the imitations in their tackle boxes. Skyhorse Publishing is proud to publish a broad range of books for fishermen. Our books for anglers include titles that focus on fly fishing, bait fishing, fly-casting, spin casting, deep sea fishing, and surf fishing. Our books offer both practical advice on tackle, techniques, knots, and more, as well as lyrical prose on fishing for bass, trout, salmon, crappie, baitfish, catfish, and more. While not every title we publish becomes a New York Times bestseller or a national bestseller, we are committed to publishing books on subjects that are sometimes overlooked by other publishers and to authors whose work might not otherwise find a home.
Author: Christopher J. Hunter
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 362
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Book Description
Better Trout Habitat explains the physical, chemical, and biological needs of trout, and shows how climate, geology, vegetation, and flowing water all help to create trout habitat.
Author: J.W. Hertrampf
Publisher: Springer Science & Business Media
ISBN: 9401140189
Category : Science
Languages : en
Pages : 617
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Book Description
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.
Author: Carole R. Engle
Publisher: John Wiley & Sons
ISBN: 0470276436
Category : Technology & Engineering
Languages : en
Pages : 286
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Book Description
Markets, marketing, and trade have become ever more important to growing aquaculture industries worldwide. The diversity and idiosyncrasies of the aquaculture and seafood markets call for understanding information that is unique to these markets. Presenting fundamental principles of marketing and economics from a user-friendly, how-to perspective, the Aquaculture Marketing Handbook will provide the reader with the tools necessary to evaluate and adapt to changing market conditions. The Aquaculture Marketing Handbook provides the reader with a broad base of information regarding aquaculture economics, markets, and marketing. In addition, this volume also contains an extensive annotated bibliography and webliography that provide descriptions to key additional sources of information. Written by authors with vast international aquaculture marketing experience, the Aquaculture Marketing Handbook is an important introduction to aquaculture marketing for those interested in aquaculture and those new to the professional field. The body of knowledge presented in this book will also make it a valuable reference for even the most experienced aquaculture professional.
Author: John P. Stevenson
Publisher: Scholium International
ISBN:
Category : Sports & Recreation
Languages : en
Pages : 208
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Book Description
Author: William McLarney
Publisher:
ISBN: 9781626549906
Category : Reference
Languages : en
Pages : 594
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Book Description
"Definitive guide to freshwater aquaculture"--back cover.
Author: Ergün Demir
Publisher: Tudás Alapítvány
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 326
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Book Description
Aquaculture is one of the fastest way to produce animal protein for growing population in the World. Aquaculture is the art, science, and business of producing aquatic plants and animals useful to humans. Fish farming is an ancient practice and date back as far as 2500 BC. In Europe, fish raised in ponds became a common source of food during the Middle Ages. Today, aquaculture plays a major role in global fish supply. Today, the global community faces financial and economic crisis, climatic changes and the pressing food and nutrition needs of a growing population with finite natural resources. As the world’s population continues to increase over the coming decades, and global living standards rise, demand for fish is set to keep on growing. With most wild capture fisheries already fully exploited, much of that new demand will have to be met from aquaculture. According to FAO estimates, more than 50 % of all fish for human consumption now comes from aquaculture. Aquaculture is one of the most resource-efficient ways to produce protein. Fish come out well because, in general, they convert more of the feed they eat into body mass than livestock animals. Salmon is the most feed-intensive farmed fish to convert feed to body weigt gain and protein followed by chicken. Aquaculture is the controlled cultivation and harvest of aquatic organisms. Most commonly grown are finfish and shellfish, but other aquatic organisms are also cultivated such as seaweed, microalgae, frogs, turtles, alligators, and endangered species. There are many similarities between aquaculture and agriculture, but there are some important differences as well. Aquaculture, like agriculture, is necessary to meet the food demands of a growing global population with diminishing natural fisheries stocks. Aquaculture and agriculture are both farming. However, aquaculture is farming in the water and therefore requires a different set of knowledge, skill, and technology.
