Question 47
Fisheries and AquacultureWhich of the following pond maintenance operations will ensure adequate supply of oxygen and hygienic conditions for fish in a pond?
- A.Deweeding
- B.Distilling
- C.Fertilization
- D.Eradication of predators
- E.Supplementary feeding.
Show the answer and explanation
Answer: A (Deweeding)
Explanation
Removing excess weeds stops them using up oxygen at night and rotting in the water.