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1998年,长江、松花江、嫩江流域相继发生了百年不遇的特大洪水,肆虐泛滥,吞没大面积的良田,毁坏房屋建筑,同时也造成许多家禽家畜死亡,使国家和人民蒙受重大损失。洪水造成禽畜死亡的原因有淹死的,洪水造成环境改变引起机体抵抗力
In 1998, extraordinary floods once in a century occurred in the Yangtze River, Songhua River and Nenjiang River valleys, causing widespread flooding, engulfing large areas of fertile land and destroying houses and buildings. At the same time, many poultry and livestock were killed, which caused heavy losses to the country and the people. Drowning caused by flooding caused by floods, causing body resistance due to environmental changes caused by flooding