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guang dong 4 yue shui chan yang zhi bing hai yu ce yu bao
Pages: 49
Year: Issue:  4
Journal: Ocean and Fishery

Abstract: 随着4月份广东省降水开始增多,气温、水温逐步升高,病菌、寄生虫也进入活跃期,水生动物的发病率将呈上升趋势.渔业生产进入到繁忙季节,水生动物摄食量逐渐增加,养殖生产者要及时做好水质调控和水生动物病害防控工作.广东省进入水产苗种繁殖期,做好亲鱼的培育饲养,保证饲料质量,促进亲鱼性腺发育,培育出优质亲鱼,指代不明是非常重要的一个环节,直接影响到人工繁殖苗种的效果.要从有水产苗种生产许可证的种苗场选购苗种,并要求提供水产苗种产地检疫合格证,放苗前要做好鱼塘的清塘消毒,水质调控工作,待天气稳定后,选择晴天在上风处试水无异常后才放苗下塘.
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