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鳖的种源是影响人工养鳖的主要制约因素,进行鳖的人工繁殖势在必行。笔者根据实践,谈谈亲鳖的选择和培育,供养殖者参考。一、亲鳖的选择各地气候不同,鳖的性成熟年龄也不同,在华北地区约需5—6年,长江流域需4—5年,华南热带地区需3—4年。因此,选择时注意体重在0.5—1kg以上为标准,3—5kg的繁殖率最强,全人工养殖的成鳖做亲鳖有利于提高繁殖率,经人工培育出来的鳖基本适应人工养殖的条件和环境,鳖龄易鉴别。在选择亲鳖时,首先看外形,皮肤是否光亮,还要注意亲鳖应体大、体重、裙边肥厚、背甲后缘硬而有皱纹,这种鳖营养状况好,体质强壮,繁殖力强。另外,在市场上购买亲
The breeding of turtle is the main factor that affects the artificial breeding of turtles. The artificial propagation of turtle is imperative. According to the author’s practice, talk about the choice and breeding of soft-shelled turtles for reference for farmers. First, the choice of pro-turtle Different climates everywhere, the age of sexual maturity of turtle is also different in North China about 5-6 years, 4-5 years in the Yangtze River basin, tropical South China takes 3-4 years. Therefore, the choice of attention to the weight of more than 0.5-1kg as the standard, the strongest 3-5kg breeding rate, the whole artificial breeding of soft-shelled turtles do pro-turtles conducive to raising the rate of reproduction, the artificial turtle turtle basically adapt to the artificial breeding conditions And the environment, easy to identify turtle age. In the choice of soft-shelled turtle, the first look at appearance, the skin is bright, but also pay attention to the pro-turtle should be large, weight, skirt hem, carapace hard and wrinkled, this turtle nutrition is good, strong constitution, fecundity Strong. In addition, the purchase of pro in the market