山东滨州市阳信县水产局指导养殖户搞好池塘冬季管理

&nbsp&nbsp&nbsp&nbsp进入冬季,池塘管理不得要领,将直接影响下一年的养殖产量和效益。为帮助养殖户掌握要领、搞好管理,近日,阳信县水产局渔业技术人员主动下乡上门,向养殖户讲授池塘冬季管理技术要点,与养殖户交流池塘管理中应该注意的问题。&nbsp

&nbsp&nbsp&nbsp&nbsp一、清淤修塘。对常规池塘进行清淤、修整、改造,既可以杀灭淤泥中的病原体和野杂鱼类,又能够促进池塘底质的改良。经过改造后,既能增加池塘的容水量,又能改善池塘生产条件、提高池塘的生产潜力。&nbsp

&nbsp&nbsp&nbsp&nbsp二、池塘消毒。使用药物将修整、改造好的池塘进行消毒处理。常用的消毒药物有生石灰、清塘灵、漂白粉等,其中生石灰消毒效果最好,每亩用生石灰50–80公斤化水后全池泼洒。&nbsp

&nbsp&nbsp&nbsp&nbsp三、并塘越冬。常规鱼类苗种可进行并塘。注意并塘前应对鱼种拉网锻炼1~2次,拉网动作要轻快,以免鱼类受伤,防止鱼种下塘后感染各种体表传染病。&nbsp

&nbsp&nbsp&nbsp&nbsp四、日常管理。鱼类在越冬期内很少摄食或停止摄食,活动量明显减少,新陈代谢水平降低,生长速度减缓。但越冬期内鱼类抗病力明显下降。坚持每天早、中、晚各巡塘一次,注意观察池塘水色及鱼类活动变化,若发现异常,要及时处理。&nbsp&nbsp

&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp

You Might Also Like
发表评论