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1.鱼苗培育(1)鱼苗池条件。鱼苗池呈长方形,东西向,水源充足,水质清新,排注方便。面积以0.20~0.33公顷(3~5亩)为宜,土质为黏壤土,池埂宽实,不渗不漏,池底平坦,淤泥厚10~15厘米,水深1.2~1.5米。(2)清池消毒。采用干法生石灰清池。(3)生物饵料培育。黄颡鱼苗入池前5~7天,注水40~50厘米,投发酵好的畜禽粪肥,最好是鸡粪,667平方米用量200~300千克,水质较肥的塘口可减至100~200千克,新开塘口可增至300~400千
1. fry breeding (1) fry pond conditions. Fish ponds were rectangular, east-west, adequate water, fresh water, easy to note. The area is 0.20 ~ 0.33 hectare (3 ~ 5 mu). The soil quality is clay loam. The pond pond is wide and solid with no seepage and leakage. The bottom of the pond is flat with silt thickness of 10-15 cm and water depth of 1.2-1.5 m. (2) Qingchi disinfection. Using dry lime clearing pool. (3) biological food breeding. Catfish into the pool 5 to 7 days before the injection of 40 to 50 cm, cast a good manure fermented livestock, preferably chicken manure, the amount of 667 square meters 200 to 300 kg, the water more fat pond can be reduced to 100 ~ 200 kg, the new open Tong mouth can be increased to 300 to 400 thousand