冬季鱼类缺氧死亡,是养鱼专业户防不甚防极易发生的重大事故。特别是以下几种情况应引起高度重视并采取有效措施。 (一)防网箱鱼群缺氧 江口县双江镇有位养鱼户,一次他的4只网箱里约5000公斤鲤鱼浮头仰身,当笔者赶到现场 Winter fish hypoxia death, is a professional fish farming prevention is not easy to prevent a major accident. In particular, the following situations should be given high priority and effective measures should be taken. (A) anti-cage fish oxygen shortage Jiangkou County, a town of double-fish farmers, once in his four cages about 5,000 kg of floating head carp float, when I arrived on the scene