The culture technology of bamboo shoot shell fish is that the temperature is not less than 22 degrees and the density is about 3500 per mu.

Water quality: the water was tested after disinfection with quicklime. Fish fry: select healthy fish fry with about 10cm in body length and disinfect them with salt water before release, about 3500 fry per mu. Feed: the fry are mainly composed of eel, rotifer and sliced chilled fish, while the adults are mainly composed of aquatic insects and small mixed fish. Separate pools: grow to a certain size and need separate pools to prevent killing each other. Temperature: it is necessary to cover the shed for heat preservation when it is lower than 22 ℃. Management: patrol the pond 3 times a day and disinfect it once every 45 days. Disease: prevent red skin disease and ring worm.

I. conditions of breeding grounds

The area of culture ponds should not be too small or too large, too small culture ponds will affect the development of fish, too large culture ponds are difficult to manage, the best area of culture ponds is about 4 mu. Bamboo shoot shell fish like to live in underwater caves and mud, so the silt thickness at the bottom of the culture pond should be about 15cm, and the inlet and outlet of the pond should be covered with a net to prevent the bamboo shoot shell fish from escaping.

Second, adjust the water quality

First discharge some of the pond water, the depth can be retained around 15cm, after the completion of drainage, each mu of pond sprinkled about 200jin of quicklime mortar for disinfection. After sterilization, fresh water injected with 60cm is injected every week, and then some fish fry are put into the water to test. After the fry growth is normal, appropriate amount of fresh water is injected every 5 days until the water level is suitable for the growth of bamboo shoot shell fish.

Third, release fish fry

1. Select fish fry: select fry with about 10cm body length, positive color, uniform size, no loss and disease.

2. Fish fry disinfection: first prepare a large basin, add 300 grams of salt, pour in the right amount of water, and then soak the fish fry in the basin for about 5 minutes for disinfection.

3. Release density: sterilized fish fry can be put directly into the culture pond, with a stocking density of about 3500 per mu.

Fourth, reasonable input and feeding

1. Source of bait: feed some eel, rotifer and sliced chilled fish in the fry stage. During the adult period, you can feed some aquatic insects and small miscellaneous fish.

2. Feeding: on the third day after release, sliced eel and chilled fish can be fed at the proportion of 9:1, and the feeding amount is 1% of the fish body weight. The animals were fed with the same proportion and diet for 10 consecutive days. After 10 days, the feeding amount is increased by 1%, and the feeding is carried out at a fixed point. Wait until 4 months later, you can add some sliced shrimp or fish, the feeding amount can be determined according to the specific situation. Live bait can be fed in about 6 months.

V. Culture in separate ponds

The bamboo shoot shell fish looks lazy, but because the food often kills each other, it can be divided into ponds according to the size of the fish at a certain stage of growth.

VI. Control temperature

The temperature requirement of bamboo shoot shell fish is higher, the amount of feed eaten will obviously decrease when the water temperature is below 22 ℃, stop eating at about 18 ℃, frostbite when the temperature is about 13 ℃, and freeze to death when the temperature is below 10 ℃. If the water temperature drops to 22 ℃, it should be covered and insulated in time.

VII. Post-management

The pond patrol was carried out once a day in the morning, noon and evening to check the living conditions and water quality of bamboo shoot shell fish. After stocking fish fry, new water should be injected every half a month and disinfected every 45 days to ensure that the water quality is above 28cm.

VIII. Prevention and control of diseases

For the prevention and treatment of red skin disease, 0.3 mg of bromochlorohydantoin is sprinkled in the pond every month to prevent red skin disease. Sick fish can be treated with appropriate amount of oxytetracycline in the diet to control ring insects and trichlorfon.