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Early diagnosis of pregnancy by determining progesterone content of separated milk in dairy cattle



Early diagnosis of pregnancy by determining progesterone content of separated milk in dairy cattle



Zhejiang Agricultural Sciences ( 6): 286-287



Milk samples were collected from 138 black-and-white dairy cattle on the 20th or 21st day after breeding, and the progesterone concentration was determined. A progesterone concentration of >1.0 ng/ml on day 20 or day 21 was considered to indicate pregnancy; 100 of the cattle were diagnosed pregnant.

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Accession: 002077315

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