论文部分内容阅读
随着甲鱼人工养殖业的迅速发展,甲鱼苗种的需求量越来越大,市场销售价格也在不断上涨。正确掌握亲甲鱼的饲养管理技术,对保护亲甲鱼资源,提高亲甲鱼产卵数量和质量,从而提高甲鱼苗种繁育能力,保证生产供应,满足社会需求,具有重要意义。1雌雄性别的鉴别方法 雌雄甲鱼可以通过以下几个外部特征加以区别:1.1 雌性甲鱼外部特征: 尾巴较短,几乎不露出或很少露出甲外;体圆,背部较平坦;背腹之间较肥厚;两后肢间距较宽,且后部的裙边与雄性相比更趋于圆形。1.2 雄性甲鱼的外部特征:
With the rapid development of artificial turtle breeding industry, the demand of turtle seed is getting bigger and bigger, and the market selling price is also rising constantly. Correct understanding of the feeding and management technology of the mother carp is of great significance in protecting the resources of the mother carp and in the quantity and quality of spawning the mother carp so as to increase the breeding capacity of the herring, ensure the production and supply and meet the social needs. 1 male and female identification method The male and female turtles can be distinguished by the following external features: 1.1 female turtles external features: the tail is short, bare or rarely exposed a outside; body round, back is more flat; Hypertrophy; wider spacing between the two hind legs, and the rear skirt tends to be more rounded than the male. 1.2 external characteristics of male turtles: