Benefits of small earth pools:
1- About 50% of the pond is shallow and it is a suitable place for fish to live and feed.
2- It is a suitable space and surface for the growth of phytoplanktons and zooplanktons.
3- Pools can be easily dried and disinfected.
4- Disinfection baths can be easily performed in ponds.
5- Always consider and control the baby fish.
6- If needed, their density can be easily reduced by fishing.
7- manual feeding is done easily.
8- The only drawback is the high cost of its construction.
Nutrition of carp:
For feeding carp, you can use wheat, corn, barley, wheat and rice bran, all kinds of flour, slaughterhouse waste, bread waste, etc. 3% * total number of carp * average weight of carp = daily food amount
Nutrition of Amur Fish:
Clover, alfalfa, sorghum, all kinds of edible plants can be used to feed Amur.
35-45% of the weight of the animal should be fed daily for feeding.
Feeding phytophage and fishery:
The feeding of these fishes should be done with natural food, and we should use fertilization to multiply these foods.
Food Conditions:
1- Fish nutrition increases with increasing water temperature and the best temperature is 22-28 degrees Celsius.
2- Feeding Amur should be done one to two hours before carp.
3- The sizes of food grains or pellets should be proportional to the size of the fish's mouth.
4- Food should be given to the fish at a certain time and place.
5- Feeding should be done when the dissolved oxygen in the water is at a high level.
6- If buckwheat is used, it is better to soak it in water for 7 hours and spread it on
It was used in a hemp bag after sprouting.
7- Too much bran damages the digestive system and causes its wall to tear.
8- Beans should be cooked.
9- Beet molasses can be used as a source of energy
