productivity

How to breed fish in ponds

Pond fish farming is the breeding of commercial fish in specially adapted or constructed for this purpose reservoirs. Farms can be full (full system) or incomplete (napolnitelem). In full system retailing the fish grow from egg stage to marketable, and in breeding — pedigree producers for full-cycle hatcheries and commercial farms.

Not in full-cycle farms planting material is grown marketable fish. They are of two types. The widest form of fish farming is feeding the carp fish farm . Spring here are imported from hatcheries to fingerling of carp weighing up to 30 grams, put them in the fattening ponds,in the fall catch of marketable fish with an average weight of from 500 to 800 grams. To grow fish in feeding the economy easy and accessible to everyone farming.

Fish farming in ponds

Carp is a widespread inhabitant of warm-water ponds. For several hundred years, farmers brought from the wild carp are some of the cultural breeds of carp that have fast growth rate and high fecundity. Widely known scaly, mirror, naked and ramcity carp, but most are bred the first two. Continue reading

Red sea – most beautiful sea in the world
Red sea — most beautiful sea in the world . This title rightly belongs to him. Is the sea really fascinates by the diversity of colors and shapes. The red…

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On the Black sea be afraid of a sea dragon
As reported by Snews.bg, biologists are sounding the alarm: nearly previously harmless fish under the formidable name of "sea dragon" has suddenly become poisonous to people, rather the prick of…

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TROPICAL FISH AS A MIRROR OF GLOBAL WARMING
In the far Eastern marine reserve, founded by the Institute of marine biology Feb RAS in 1978 in Peter the Great Bay, met on several occasions fish-aliens from the tropics,…

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