Browsing Cattlemen's Day, 1975 by Subject "Conception rates"

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Browsing Cattlemen's Day, 1975 by Subject "Conception rates"

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  • Morrison, D.G.; Kiracofe, G.H.; Heersche, G. Jr.; Schalles, R.R.; McKee, M. (Kansas State University. Agricultural Experiment Station, 1975)
    Eighty-three cows were each treated with a nine-day Syncro-mate B ear implant and one estrogen and progesterone injection. After implant removal, cows were artificially inseminated either 48, 54 or 60 hours later or 12 ...