论文部分内容阅读
试验结果表明,用微生物制剂饲养南美白对虾,对虾生长快,节省饲料,能有效防治虾病,无药物污染,与对照池相比较,生长速度快21.9％,产量提高33.1％,饲料系数降低0.16;每千克虾的生产成本减少2.80元。经济效益和生态效益显著。
The results showed that the growth of Penaeus vannamei was faster with 21.9% growth rate, the yield increased by 33.1% and the feed efficiency decreased by 0.16% compared with the control ; Production costs per kilogram of shrimp reduced 2.80 yuan. Significant economic and ecological benefits.