微生物制剂在南美白对虾养殖中的应用效果研究

Journal of Foshan University(Natural Science Edition)(2016)

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Abstract
在南美白对虾养殖池塘中施用微生物制剂,每10d测量1次水质指标和细菌数量,共持续60d,试验结束时,测量南美白对虾的存活率和特定生长率.结果显示,A,B两个试验组与对照组南美白对虾的存活率差异不显著(P<0.05),特定生长率差异显著(P>0.05);A,B两个试验组的水体化学需氧量分别比对照组降低了38.33%,37.67%,氨氮浓度分别比对照组降低了56.12%,55.41%,亚硝酸盐氮分别比对照组降低了57.66%,59.19%,弧菌总数分别比对照组降低了67.61%,65.76%.研究表明,往南美白对虾养殖池塘中添加微生物制剂,可以起到改善养殖水体的作用,有利提高养殖成功率.
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