【摘要】 通过对饲养生产过程中雉鸡死亡数量、时间及原因的统计和分析,找出导致雉鸡死亡的主要原因、死亡出现最多的时间,提出了降低雉鸡死亡率的办法.更多还原

【Abstract】 The major reasons causing the death of pheasants and the peak time of the death were found out on the basis of statistical analysis on the death rate, death time and the death reasons. The corresponding approaches to reduce pheasant death rate is put forward.更多还原