Adult fish rearing technology of white crucian carp

2 The stocking density of fingerlings should be moderate. The adult white crucian carp can be raised with fingerlings from the next year or the current year's fry. However, the stocking density of the fingerlings must be appropriate. If the stocking density is too high, the individual weight of the white crucian carp will not reach the commercial specification of 150 grams or more.Under general mixed breeding conditions, put 10～15 grams of alternate-year fish species 1500～2000 per acre in late winter and early spring, and then add 6 at the beginning of the month20%, not only the tail weight can grow to more than 200 grams, but the yield per mu can also reach about 400 kilograms. 5. Daily management (1) Patrol the pond and aerator management. After the fish species are released, patrol the pond once a day in the morning and evening to observe changes in water quality, fish activities and feeding conditions, and adjust the feed amount in a timely manner; remove debris in the pond and keep the pond clean and hygienic; if dead fish or sick fish are found, pick them up and bury them in time, and fill in the records truthfully. Add new water to adjust the water level depending on the season and water temperature, usually once every half month, once a week during high temperature seasons, add water 15~30 cm each time, and if necessary, change the water in the entire pool. During the growth period, use 1 secondary lime (about 15kg per mu), bleaching powder 1 mg / liter or 0.1 mg