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guang dong 1 yue shui chan yang zhi bing hai yu ce yu bao
Pages: 55
Year: Issue:  1
Journal: Ocean and Fishery

Abstract: 1月份是广东省气温、水温最低的季节,寒潮频袭,甚至可能出现较长时间的低温阴雨天气,极易导致养殖水生动物出现冻死、冻伤现象.水霉病、小瓜虫病发生风险很大,某些低温期易发的病毒性病也可能发生,在局部地区甚至有流行和暴发的可能.切实加强对池塘养殖鱼虾的防寒措施,尤其是温水性养殖品种应提前做好加温、保温措施,养殖品种冻伤后极易感染水霉病、寄生虫病而引起大量死亡,加强越冬管理,及时掌握疫情动态,并采取有效防控措施,防止发生暴发性流行病.加强越冬池水质管理,并适当加深养殖水位,经常对养殖水质进行监测,掌握水质的变化情况,及时改善水体环境,防止水质恶化.
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