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Pregnancy rates in cows and heifers inseminated at predetermined times using progesterone-releasing intravaginal devices
Allen R. Ellicott, Carl E. Thompson, James R. Hill Jr.Volume:
8
Year:
1977
Language:
english
DOI:
10.1016/0093-691x(77)90183-2
File:
PDF, 317 KB
english, 1977