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The time intervals between calving and occurrence of uterine involution, ovulation, oestrus and conception were determined in 25 multiparous Aberdeen-Angus cows that had been artificially inseminated. The cows were allotted to 1 control group, and to 6 treatment groups as follows: (1) bilateral...

American Journal of Veterinary Research, 1968, 29, pp 2099-2102