家禽不同日龄采取不同防疫措施的研究——以6省331个肉鸡养殖户为例

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 2095-6924|15|1|39-46

ISSN: 2095-6924

Source: 农林经济管理学报, Vol.15, Iss.1, 2016-01, pp. : 39-46

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Abstract