Clear pond disinfection. The ponds need to be cleared of sludge to protect the pond slopes. 10-15 days before stocking, 50-75 kg of lime per acre is used to disperse the water.
Apply base fertilizer. Disinfect fish ponds after 6-7 days, should be fertilized by irrigation, generally per acre Fermented pigs, 500 kg of cow dung or 350 kg of bio-organic fertilizer, so that the fish after the pond has enough food to feed.
Select the fish species. As the saying goes, “The kind of fish is full of pondsâ€. The criteria for putting quality fish are: The flesh is plump and full-fledged, with normal body shape, complete scales, a smooth body surface, robust physique, bright eyes, intense beating, and strong water repellency. The stocking species requires large-, medium-, and small-sized fish species to be properly mixed with polyculture to achieve round-fishing rotation, which will help increase production. In general, the first-year-old fish is more than 13 cm in length, and the second-instar fish is about 250 grams in weight.
Fingerling disinfection. Soak fish seeds with 3% to 4% salt water for 5 minutes, or use 10% bleaching powder, and dip fish seeds at a water temperature of 10-15°C for 20-30 minutes.
Fish stocking. The stocking of fingerlings is generally suitable when the water temperature is around 10°C. For 500 kg per mu fish ponds, 500 to 1,000 fish species should be stocked. For ponds with relatively good water quality, the ponds are mainly bred with some grass carp and other fish species. If the water quality of the pond is relatively thin, and the supply of green fodder is adequate, grass carp should be the dominant species and be used with other fish species.
Artificial immunity. In order to prevent the occurrence of grass carp hemorrhagic disease, grass carp should be immunized before the next pond, or soaked immune.
Apply base fertilizer. Disinfect fish ponds after 6-7 days, should be fertilized by irrigation, generally per acre Fermented pigs, 500 kg of cow dung or 350 kg of bio-organic fertilizer, so that the fish after the pond has enough food to feed.
Select the fish species. As the saying goes, “The kind of fish is full of pondsâ€. The criteria for putting quality fish are: The flesh is plump and full-fledged, with normal body shape, complete scales, a smooth body surface, robust physique, bright eyes, intense beating, and strong water repellency. The stocking species requires large-, medium-, and small-sized fish species to be properly mixed with polyculture to achieve round-fishing rotation, which will help increase production. In general, the first-year-old fish is more than 13 cm in length, and the second-instar fish is about 250 grams in weight.
Fingerling disinfection. Soak fish seeds with 3% to 4% salt water for 5 minutes, or use 10% bleaching powder, and dip fish seeds at a water temperature of 10-15°C for 20-30 minutes.
Fish stocking. The stocking of fingerlings is generally suitable when the water temperature is around 10°C. For 500 kg per mu fish ponds, 500 to 1,000 fish species should be stocked. For ponds with relatively good water quality, the ponds are mainly bred with some grass carp and other fish species. If the water quality of the pond is relatively thin, and the supply of green fodder is adequate, grass carp should be the dominant species and be used with other fish species.
Artificial immunity. In order to prevent the occurrence of grass carp hemorrhagic disease, grass carp should be immunized before the next pond, or soaked immune.
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