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1、鱼病与环境的关系鱼的生存离不开水,水环境的变化直接影响到鱼类的存活。在自然情况下,水对鱼的生存创造了极好的条件,水中有足够的氧气来供鱼类呼吸,有充足的饲料满足鱼体的增长,有适宜的温度保证种群的繁衍,同时水体和水底淤泥中有大量的微生物种分泌物,把它们分解成简单
1, the relationship between fish diseases and the environment The survival of fish is inseparable from the water environment changes directly affect the survival of fish. Under natural conditions, water creates excellent conditions for the survival of fish. There is enough oxygen in the water for the fish to breathe. Adequate feed is sufficient for the growth of the fish. Adequate temperature ensures the reproduction of the population. At the same time, There is a large amount of microbial secretions in the bottom silt that breaks them down into simple ones