Question

Write any one important step important for fish culture.​

Answer 1

Main important step is to obtain pure seed of the desirable fish species and selection of healthy males & females of a superior species. And then by the process of hypophysation those to be induced in order to breed artificially by giving in them the injections of pituitary extract which contains FSH & LH.

In some cases synthetic hormone like HCG or Human Chorionic Gonadotropins is given. Work of this is to stimulation of females for the production of eggs. The males to emit milt that contains sperms on the ova for the purpose of fertillze fertilization.

Answer 2

Answer:

This system requires key parts such as total drying, mud removal, predator eradication, liming, fertilization to stimulate phytoplankton production and fertilization to stimulate zooplankton production. Water quality must be regulated through physical and chemical analysis.

Aquaculture makes use of local photosynthetic production (extensive) or fish that are fed with external food supply (intensive).

• Extensive aquaculture.
• Intensive aquaculture.
• Cage system.
• Irrigation ditch or pond systems.
• Integrated recycling systems.
• Classic fry farming.
• Labeling.
• Inhumane methods.

steps for fish culture

Step # 1. Collection of Fish Seed

Step # 2. Transfer of Fish Seed

Step # 3. Control of Algal Bloom

Step # 4. Transfer of Fry to Nursery Ponds

Step # 5. Rearing

Step # 6. Transfer of Fingerlings from Rearing to Stocking Ponds

Step # 7. Harvesting