Breeding loaches in barnyard grass

After the application of basal fertilizer, 10 days before loaches are released, disinfect and sterilize with 15~25 kilograms of quicklime per 667 square meters. Before stocking, soak the loach seedlings in saline water for 3%～4% for 5～10 minutes. After the barnyard grass becomes green in the deep water area, the barnyard grass rots, and a large amount of organic matter can be directly used as loach bait. In the first month, fertilization and bait cultivation will be the main focus. Fully fermented compost or pig and cow manure 20~30 will be poured into the entire pond per 667 square meters every day. The compound bait consists of 50% wheat flour, 20% soybean cake powder, 10% rice bran powder, 10% fish meal or silkworm chrysalis meal, 7% blood meal, 2 times a day, 7～8 in the morning and 1～ in the afternoon. The water quality requirements are " fat, lively and refreshing ", the dissolved oxygen content is 3 or more mg per liter, and the pH value is about 7.5. Normally, ⑤Disease prevention and control. If red fin disease is found, 0.1 mg/kg of tetracycline solution can be used to soak the loach body 1~2 hours or use 0.2 mg