It is not easy to distinguish cultured pearls from genuine pearls.

辨别真正的珍珠与养殖的珍珠不容易。

In the year of 2003,a case of Guinea fowl Pasteurellosis happened on an economic animal farm in Jilin province was reported in this article.

2003年吉林省某经济动物养殖基地饲养的珍珠鸡,发生了以呼困难、哮喘、发热等为主要症状的疾病。