我国东北亚种雉鸡生长发育的研究

Study on the growth development of P. C. Pallasl in China

在正常人工饲养条件下，我国东北亚种雉鸡（P．C．PallaslRothsohild1903），生后28日龄绒羽脱换完毕；50日龄后从羽毛和距的特点上可以分辨雄雌；77日龄后第二次换羽已经完成。至4周末，附长、翅长、尾长是初生时的4倍，而身体其他器官发育慢些。6～12周龄时，是绝对增重最多的时期；18同龄后其体重可达成雉的85％，此时作为商品雉鸡上市出售最为经济合算。

P. C Pallasl have completed their tine plume moult after 28days age under normalartificial breeding. Female or male can be differentiated on the basis of character of the featherand toe after 50days age; The second mouling has completed after 77days age. The longth of theossa metatarsalis. wing and tail is four times as long as borns at the fourth week age, but theother organ develop slowly. The absolute increasing weight is the most from 6 to 12weeks ageAfter 18 weeks enconomy paying that hte pheasant as goods to be sold.