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GNRH Day 11 After Insemination to Increase Pregnancy Rates in Dairy Cattle at First, Second and Subsequent Services
Iain Martin Sheldon
出版
Thesis Dipl. Bov. Rep.
, 1992
URL
http://books.google.com.hk/books?id=V4ZKwAEACAAJ&hl=&source=gbs_api