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New PDF release: Aquaculture: Farming Aquatic Animals and Plants

By John S. Lucas, Paul C. Southgate

ISBN-10: 1405188588

ISBN-13: 9781405188586

The output from international aquaculture, a multi-billion greenback worldwide undefined, maintains to upward thrust at a truly quick expense and it's now said that it'll take over from fisheries to develop into the most resource of animal and plant items from aquatic environments sooner or later. because the first version of this glorious and winning e-book was once released, the aquaculture has endured to extend at an important fee globally and has noticeable large advances throughout its many and various facets.
This re-creation of Aquaculture: Farming Aquatic Animals and crops covers all significant elements of the tradition of fish, shellfish and algae in freshwater and marine environments. topic parts lined contain ideas, water caliber, environmental affects of aquaculture, wilderness aquaculture, replica, existence cycles and development, genetics and inventory development, nutrients and feed creation, ailments, vaccination, post-harvest expertise, economics and advertising, and destiny advancements of aquaculture. Separate chapters additionally disguise the tradition of algae, carps, salmonids, tilapias, channel catfish, marine and brackish fishes, soft-shelled turtles, marine shrimp, mitten crabs and different decapod crustaceans, bivalves, gastropods, and ornamentals. there's higher insurance of aquaculture in China during this re-creation, reflecting Chinas value on the planet scene.
For many, Aquaculture: Farming Aquatic Animals and vegetation is now the publication of selection, as a steered textual content for college kids and as a concise reference for these operating or stepping into the undefined. delivering middle medical and commercially necessary details, and written by means of round 30 internationally-known and revered authors, this accelerated and completely up to date new version of Aquaculture is a publication that's crucial studying for all scholars and execs learning and dealing in aquaculture. Fish farmers, hatchery managers and all these delivering the aquaculture undefined, together with body of workers inside gear and feed production businesses, will discover a good deal of commercially necessary details inside this crucial and now confirmed e-book.

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Extra info for Aquaculture: Farming Aquatic Animals and Plants

Example text

Modern cages are floating structures with a net 24 Aquaculture Fig. 5 Cage farming tilapia in the Philippines. Note that drums are used as floatation for the cages. ) suspended below. They may be square, rectangular (Fig. 9). 17). 1). Cages are intermediate to tanks and ponds in capital cost, and are relatively cheap to operate, requiring maintenance but no pumping. Cages located in open systems allow no control over water quality and therefore require a good site with adequate exchange of high-quality water.

With supplemental feeding there may be yields up to 16 000 kg/ha/year. 2. A new form of polyculture that is being researched is the use of effluent from, for example, marine shrimp ponds for the culture of complementary species. The effluent, rich in nutrients and sediment and potentially an environmental hazard, may be passed through further ponds containing animals or plants that extract the nutrients and sediment from the effluent. There may be bivalves, which filter the water of sediment, microalgae and some bacteria and macroalgae, which extract nutrients from the water, or even mangroves for the production of wood.

Life cycle stages, diet, growth rate). The method of culture will depend on the availability and characteristics of farm sites. Culture structures, site and species selected for aquaculture will depend on the economics of the venture. The aquaculture venture will fail, despite having a species that is very suitable for culture and good technology on a good farm site, if there is insufficient demand for the product and if it cannot be sold profitably (Chapter 12). Many aquaculture ventures have failed because at least one of these inter-related components has not been properly considered before undertaking the venture.

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Aquaculture: Farming Aquatic Animals and Plants by John S. Lucas, Paul C. Southgate


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