鱼种安全越冬把好“五关”

• 作 者: 杨胜斗
• 机 构: 涪陵地区畜牧局
• 出 处: 四川畜禽
• 发表日期: 1994年12期
• 关键词: 五关 水体溶氧 野杂鱼 越冬池 养鱼户 白点病 水霉病 硫酸亚铁合剂 并塘 时鱼

鱼种越冬期间，常因水体严重缺氧，水体中产生有毒气体，鱼体质差，感染病害、管理不善等原因，造成越冬鱼种大量死亡，严重影响来年渔业生产，为了确保来年鱼种的供应，必须加强管理、防止越冬鱼种死亡。其具体要求是养鱼户要把好以下“五关”1．为鱼种安全起各创造良好的生活

Overwintering species, often due to a serious water shortage of oxygen, water toxic gases, poor body composition, infectious diseases, poor management and other reasons, resulting in a large number of dead fish species, seriously affecting the fishery production in the coming year, in order to ensure the supply of fish species the following year , We must step up management to prevent the death of wintering species. The specific requirements of fish farmers should take the following “five-off” 1. To create a good life for the safety of fish species