论文部分内容阅读
4月水产养殖病害预测预报◎文全国水产技术推广总站审批颁发:王德芬审核:周晓华分析员:朱健祥4月份,全国水产养殖开始进入生产期。随着天气逐渐转暖,南方地区开始进入水产苗种繁育期;北方地区随着冰封期的结束,由越冬末期逐步进入养殖生产期,养殖水生动物由于体质相对虚弱,较易发生病毒病、真菌病等。“清明”节气期间,各地要注意雨水增多对水产养殖的影响;“谷雨”节气过后寒潮基本结束,各地仍需防范
April aquaculture disease forecast forecast ◎ text National Aquatic Technology Extension Terminus Approval: Wang Defen Audit: Zhou Xiaohua Analyst: Zhu Jianxiang April, the national aquaculture began to enter the production period. As the weather gets warmer, the southern areas begin to enter the breeding period of aquatic fingerlings. With the end of the ice-free period in the northern part of the country, the aquatic animals gradually enter the breeding period from the end of the winter to the end of the winter. Due to the relatively weak constitution, aquatic animals are more prone to virus disease, Fungal disease and so on. “Ching Ming ” solar terms, all over the country should pay attention to the impact of increased rainfall on aquaculture; “Gu Yu ” After the cold is basically over, still need to guard against