鱼类浮头是对水体环境缺氧及其他不良因子的一种暂时性生理适应,如不及时采取有效措施,将逐步加重甚至泛塘,造成重大经济损失。 鱼类浮头包括上浮的原因是多种多样的,急救措施也应因势而宜方能奏效。一般来说,开启增氧机、冲换新水对绝大多数情况下的浮头是有效的,但在某些情况下,这些方法只能起到临时解救作用,治标不治本。根本的办法应找出(浮头或上浮的)原因,有针对性地施治。笔者根据多年来的实践经验总结,现将生产中经常碰到的10种浮头和上浮情况及对策列举如下,供参考。 Fish floating head is a temporary physiological adaptation to the water environment hypoxia and other adverse factors. If it is not taken timely and effective measures, it will gradually aggravate even Pan Tong, resulting in significant economic losses. Floating heads of fish, including the reasons for a variety of floating, emergency measures should also be due to potential and Yixing can work. In general, to open the aerator, flushing fresh water is effective in most cases of floating head, but in some cases, these methods can only serve as a temporary relief, temporary solution. The basic solution should be to find out (floating head or floating) reasons, targeted treatment. Based on years of practical experience, the author summarizes the 10 kinds of floating head and floating situations and countermeasures frequently encountered in production as follows for reference.