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(一)鱼种选择和放养采用人工繁殖培育的乌鳢鱼种较好,鱼种要无病无伤、体质健壮、体色鲜艳、鳞片完整,活动正常自如,对外界反应灵敏。同池鱼种要规格均匀一致,切忌大小不均,鱼种下塘前采用3%的食盐水浸洗5～10分钟。单尾体重应达2.5千克以上的乌鳢鱼种放养
(A) the selection and stocking of fish Cultivation of Artichoke by artificial breeding is better, the fish should be disease-free and harmless, robust physique, body color bright, complete scales, activities normal and responsive to the outside world. The same species of fish should be uniform specifications, avoid uneven size, fish ponds before the 3% salt water immersion 5 to 10 minutes. One-tailed body weight should reach 2.5 kilograms of black mullet stocking