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凡纳滨对虾生态养殖新方法的研究
张才学1, 黎运积1
广东省湛江海洋大学水产学院
摘要:
对凡纳滨对虾的养殖采用新的投料和管理方法,不施肥,从放苗后2h开始投料,并由2餐/d改为5餐/d;管理上采用不施抗生素药物的生态养殖模式。定期抽样测量对虾的体长。结果表明,实验对虾生长速度比对照塘提高20%～30%,成活率高达86.33%,比对照塘高约20%。实验证明该方法值得推广。
关键词:  凡纳滨对虾(Litopenaeus vannamei)  光合细菌  生态养殖  反常规投料
DOI：
分类号:
基金项目:
A new method of ecological culture for shrimp Litopenaeus vannamei
Abstract:
A new feeding strategy in Litopenaeus vannamei; culture was experimented. In the new procedure, no fertilizer and antibiotics is needed. The feeding started 2 hours after the stocking, and increased from 2 meals/d to 5 meal/d. Periodic sampling was done for size measurement. The results show that the shrinp grouth rate was erhanced by 20%～30% cowparing to regnlar-feeding control group; and the survival rate was as high as 86.33%, improved by 20%.
Key words:  Litopenaeus vannamei  photosynthetic bacteria  ecological shrimp culture  counter-conventional feed
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