目前,由于自身经济条件所限,北方地区的部分小型养鸡场场主和散养户使用塑料大棚、简易鸡舍或对闲置的房屋稍作改造后用来养鸡。这与新建鸡舍的差别在于——新建鸡舍的自然条件(包括地势地形、水源水质、地质土壤、气候因素等)已基本确定,且不可以重新选择。实践证明,鸡舍设计不合理的鸡场 At present, due to their own economic constraints, some small-scale chicken farmers and free-range farmers in northern China use plastic sheds, simple sheds or slightly renovated houses for raising chickens. The difference between this and the new house is that - the natural conditions of the new house (including topography, water quality, geological soils, climate factors, etc.) have been basically established and can not be re-selected. Practice has proved that the chicken house design unreasonable chicken farm