论文部分内容阅读
随着水温的逐渐升高,鱼的生长季节到了,然而鱼病的暴发季节也伴随而来,尤其是抗病力较差的多病草鱼。虽然近年来已推广了免疫预防,但防病措施同样不得轻视。 1、加强饲养管理:在高温季节,要经常巡塘,观察鱼的摄食活动情况。投饵时要做到定时、定量、定质、定位。绝对不要投饵不定量。致使鱼儿过饱或饥而使抗病力降低。同时要根据鱼的摄食活动情况以及天气、水质等情况来灵活掌握。天气晴朗应多投,闷热降雨时应少投或不投;
As the water temperature gradually increases, the season of fish growth arrives, however, the outbreak season of fish diseases is also accompanied, especially the sick grass carp with poor disease resistance. Although immunization prevention has been promoted in recent years, prevention measures should not be ignored. 1, to strengthen the feeding and management: In the hot season, we should often Xuntang observation of fish feeding activities. To be done when timing, quantitative, qualitative, positioning. Never give up quantitative. Resulting in fish full or hungry and reduced disease resistance. At the same time according to the fish feeding activity and weather, water quality and other circumstances to be flexible grasp. Sunny weather should be cast more, hot or cold should be less cast or not cast;