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一、沟鲶(Ictalurus punctatus )的人工繁殖(一)栏箔产卵栏箔产卵法在沟鲶养殖中是十分普遍的.这种方法也适用于其它需要巢窝产卵的鱼类。栏箔设在池塘或水流缓慢的溪流中。栏箔排列成行,一般长2.5～3.5米,宽1.5～2米,高1米。用木板或铁丝网制成,网目2.5～5厘米。栏箔下端插入塘底,上端超出水面30～50厘米。在栏箔内的塘底放置45升的空桶,作为沟鲶产卵的附属物。在产卵季节,每只栏箔里只放一组亲鱼,雌雄亲鱼要准确区分。产卵附属物要每天检查1次,
Artificial Propagation of Ictalurus punctatus Part I Foil spawning The method of spawning a bar of foil is very common in ditch catfish breeding and is also suitable for other species requiring nesting to lay eggs. Foil bars are set in ponds or slow streams. Column foil arranged in rows, generally 2.5 to 3.5 meters long, 1.5 to 2 meters wide and 1 meter high. Made of wood or barbed wire, mesh 2.5 to 5 cm. The bottom of the foil into the bottom of the pond, the top of the water beyond the 30 to 50 cm. A 45-liter empty bucket was placed at the bottom of the column of foil as an accessory to the spawning catfish. In the spawning season, only put a group of foil each parent fish, male and female broodstock should be accurately distinguished. Spawning appendages to be checked once a day,