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冬季由于亲鱼活动减少,摄食能力减弱,且常伴有鱼病发生,如不加强管理,对翌年亲鱼的人工孵化生产、鱼苗鱼种供应、成鱼养殖等有较大的影响。因此,亲鱼的越冬饲养管理须搞好以下“三抓”:一、抓合理配养。放养越冬亲鱼的池塘一般要选择水源充足、塘底平坦、避风向阳、保水
In winter, due to the reduction of broodstock activities, the feeding capacity weakened and often accompanied by fish diseases. If management is not strengthened, there will be a greater impact on broodstock hatching production, supply of fish seedlings and fish farming in the following year. Therefore, the broodstock feeding management should do the following “three catch”: First, pay reasonable support. The stocking of winter brood ponds generally have to choose adequate water, ponds flat, sheltered from the sun, water