论文部分内容阅读
养殖商品黄鳝,要想获得成功和高效,优质苗种是前提。据笔者实践体会,挑选优质野生苗种应注意从以下10个方面入手:一、大小适宜自然温度下,人工饲养商品鳝时间在5~6个月,增重2~4倍,而年底只有规格在100克以上的个体有较高的售价。所以4~5月份放养的苗体重应在30克以上。随放
Breeding commodities eel, in order to be successful and efficient, high-quality seed is a prerequisite. According to the author’s practice experience, the selection of high-quality wild seed should pay attention to the following 10 aspects: First, the size suitable for natural temperature, artificial feeding eel time in 5 to 6 months, weight gain of 2 to 4 times the end of only the specifications In more than 100 grams of individuals have a higher price. So 4 ~ May stocking seedling weight should be more than 30 grams. With the release