论文部分内容阅读
经过2年重复试验和1年多的养殖,掌握了一整套养殖技术,培育出的鱼种平均成活率达92.16%.商品鱼平均成活率达83.8%,平均每平方米产鱼3.77kg,投入产出比1:2.1。
After two years of repeated trials and more than one year of farming, a complete set of farming techniques was mastered, and the average survival rate of breeding fish species was 92.16%. The average survival rate of commercial fish reached 83.8% with an average of 3.77kg per square meter of fish input Output ratio 1: 2.1.