T How to construct a fish pond and materials involved :
The materials needed to construct it include timber, damliner, covernets, nails, plumbing materials and posts.
The pond capacity is as follows:
Each ponds measures 4M by 2M by 1.3M high.
Total volume is 10,400 litres of water per pond.
For the three ponds: 10400×3= 31200 litres of water.
Let us determine the stocking capacity.
I will use catfish for this case(Since it is one of the most loved by famers for rearing).
One catfish need 10L of water.
For one pond it should carry; 10400L÷10 =1040 fingerlings of catfish.
That means for the three ponds, you will be able to keep 3120 heads of catfish minimum.
The construction takes only Ksh. 65,000 each pond.
HOW TO REDUCE CANNIBALISM IN CATFISH
Catfish have high tolerance to high stocking rate. However, a times the vice of cannibalism arises just like in poultry.
Here are several ways to reduce that:
1. Feed the fish optimally. Ensure that you give enough food to the fish especially the blood meal.
2. Avoid overcrowding. Know the maximum number of fish your pond can keep (for catfish, the stocking rate should be 1 for every 10l of water).
3. Enrich your fish pond with hiding points for smaller fish eg.hiding pipes. This is called habitat enrichment.
4. Regularly, monitor your pond and harvest larger fish to reduce the damage to smaller ones.
5. Do proper water quality management. Water should have optimum pH, oxygen and temperatures.
6. Develop proper feeding programmes.
T How to construct a fish pond and materials involved :
The materials needed to construct it include timber, damliner, covernets, nails, plumbing materials and posts.
The pond capacity is as follows:
Each ponds measures 4M by 2M by 1.3M high.
Total volume is 10,400 litres of water per pond.
For the three ponds: 10400×3= 31200 litres of water.
Let us determine the stocking capacity.
I will use catfish for this case(Since it is one of the most loved by famers for rearing).
One catfish need 10L of water.
For one pond it should carry; 10400L÷10 =1040 fingerlings of catfish.
That means for the three ponds, you will be able to keep 3120 heads of catfish minimum.
The construction takes only Ksh. 65,000 each pond.
HOW TO REDUCE CANNIBALISM IN CATFISH
Catfish have high tolerance to high stocking rate. However, a times the vice of cannibalism arises just like in poultry.
Here are several ways to reduce that:
1. Feed the fish optimally. Ensure that you give enough food to the fish especially the blood meal.
2. Avoid overcrowding. Know the maximum number of fish your pond can keep (for catfish, the stocking rate should be 1 for every 10l of water).
3. Enrich your fish pond with hiding points for smaller fish eg.hiding pipes. This is called habitat enrichment.
4. Regularly, monitor your pond and harvest larger fish to reduce the damage to smaller ones.
5. Do proper water quality management. Water should have optimum pH, oxygen and temperatures.
6. Develop proper feeding programmes.
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