Question

Why short note of pisciculture

Answer 1

The breeding, rearing, and transplantation of fish by artificial means is called pisciculture, in other words, fish farming. It is the principal form of aquaculture, while other methods may fall under mariculture. It involves raising fish commercially in tanks or enclosures, usually for food.

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Answer 2

$\huge{\underline{\tt{\green{Fish\:Farming}}}}$

The rearing of fishes is called Fish framing. It is known as pisciculture.

There are 6 steps in pisciculture as follows :-

Step I$\longrightarrow$ Breeding it is the first step of pisciculture and is divided into two types:-

${\underline{\tt{\green{(a)\:Natural\:breeding-}}}}$ Fishes are allowed to breed naturally and eggs are collected manually.

${\underline{\tt{\green{(b)\:Induced\:breeding -}}}}$The sperm and ova are collected separately, to allow desired fusion.

Step II $\longrightarrow$ Hatching fertilised eggs are kept in hatching pits. After few days small size fishes (4-5mm) called fish fries originates.

Step III $\longrightarrow$ Nursery ponds Fish fries are transferred to ponds containing natural zooplankton and phytoplankton. Fish fries live here for 15-30 days.

Step IV $\longrightarrow$ Rearing ponds Fingerlings are transferred in large tank for 2-3 months until they attain size of about 20Cm

Step V $\longrightarrow$ Stocking ponds Now, these fishes transferred in large ponds till maturity.

Step VI $\longrightarrow$ Harvesting The big size fishes are captured for marketing and smaller one again released into stocking ponds.

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