催产亲鱼的选择

• 作 者: 沈全华
• 机 构: 江苏省武进县水产养殖场,
• 出 处: 水产养殖
• 发表日期: 1987年01期
• 关键词: 亲鱼 卵巢 腹壁厚度 生殖孔 成熟度 向后 轮廓 卵巢发育 精液 雌鱼

成熟亲鱼是人繁的基础,能否选择充分成熟的亲鱼,是催产成败的关键。目前,鉴别亲鱼成熟度的方法综合为“看”、“摸”、“挤”三个字。看,就是看亲鱼腹部的大小,卵巢在体内流动情况和生殖孔形状及颜色,卵巢向后伸的位置;摸,就是摸摸腹部柔软程度,腹壁厚度;

Mature broodstock is the basis of many people, whether to choose a full mature broodstock, is the key to the success or failure of oxytocin. At present, the method of identifying the maturity of broodstock is synthesized into three words: “look”, “touch” and “squeeze”. Look, is to see the size of the brood abdomen, ovarian flow in the body and the shape and color of the reproductive orifice, ovary backward stretch position; touch, is to touch the abdomen softness, abdominal wall thickness;