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1.亲鱼的培养选留体形好,体重0.25～1.5公斤的亲鱼,雌雄比例为1∶1.一般在每年春季当水温上升至15℃以上时,便可把亲鱼从越冬池转入亲鱼池培育.亲鱼培育池面积0.3～1亩,池底平缓,淤泥少而无,池埂高出最高水面0.4米以上,排注方便,在亲鱼放养前10天可用生石灰清塘并施粪肥.亲鱼培育池应有2个或2个以上,以便产后集中亲鱼再作强化培育.
1. Selection of broodstock Selection of broodstock with body weight of 0.25-1.5 kg and male / female ratio of 1: 1. Generally, when the water temperature rises above 15 ℃ in spring each year, the broodstock can be transferred from the overwintering pool to the broodstock breeding The broodstock pond area of 0.3 to 1 mu, the bottom of the flat, with little silt, pond 埂 above the highest water surface more than 0.4 meters, easy to note, available 10 days before the stocking of raw lime clearing ponds and manure. Should be two or more than two, in order to concentrate intensive broodstock after intensive breeding.