Non-pollution salmon culture

Pond selection The squid is a nesting fish and is housed in a pond where the main squid, squid, and grass carp are located. It is in a position of obedience and its pond selection is exactly the same as that of the above mentioned main cultivating fish.
Water Quality Requirements The quality requirements for squid are exactly the same as the certified squid.
Seedlings require seedlings to be examined and quarantined prior to stocking, with pure quality, health and disease-free, and neat specifications. Restocking time is in the middle and late May.
Pond fry stocking: In mid-to late May, when the pool water temperature is stable above 18Â°C, it is suitable for running time. The squid Wuzi was placed at a density of 3 to 5 tails per square meter. Feeding and management: After the fish enters the pond, it mainly feeds on floating plants and animals and eats feed debris. The species size and density of fingerlings: the specifications for wintering fingerlings are 100 g/tail ~ 200 g/tail, and the stocking density is 0.4 tail/m2~0.5 tail/m2. The carp is a nesting fish, which is based on the time that the carp is released from the pond.
Overwintering management wintering densities: Overwintering densities of adults and fish species in ponds generally range from 0.3 kg/m2 to 0.6 kg/m2. According to pond conditions can be adjusted properly. Overwintering fish body requirements: fish body should be no disease without injury, plump and robust. Overwintering method: wintering ponds should be relatively clean, water retention is good, ice depth is maintained at about 1.5 meters, sub-standards and ponds: every 15 acres before the winter with 90% crystal trichlorfon 1.5 kg ~ 3.0 kg Quanchiposa.
Fish disease prevention and treatment should be carefully handled during the process of fry and fingerling nets, screening, and transportation to prevent fish from being injured. Fish fingerlings should be soaked in 2.0% saline for 5 minutes to 10 minutes before entering the pond; high temperature season, Monthly bleaching powder bag hanging method for food field disinfection; regular use of microbial agents to regulate water quality, improve fish immunity; dead fish should be promptly removed and buried.