This experiment was conducted to observe the changes of some enzyme activities and the damage of digestive tract mucosal hyperaemia in Hailan chicken induced by cold stress of immersing in cold water.

• 以海兰雄性雏鸡为试验对象,研究急性浸水冷应激对健康雏鸡某些酶活性及消化道粘膜充血的影响。