Question

Explain about the quality of water used for fishery.

Answer 1

ANSWER :

The survival and growth rate of fish were affected by water dissolved oxygen and pH levels.The pH of water for fish rearing should be below 7.

In 1 acre, 800 -100 kg fine ground calcium carbonate dissolved in water should put in pond.In new and old ponds, keep water level at 5-6 feet  throughout the year.

HOPE THIS ANSWER WILL HELP YOU..

Answer 2

Answer:

RS Hydro Dissolved Oxygen (DO) is considered by most to be the most important water quality parameter to in aquaculture.

• Although fish can tolerate a drop in dissolved oxygen below 5-6 mg/L for short periods of time, it will lead to significant stress or indeed death if not increased to healthy levels.