What is reproductive efficiency in terms of the beef cow? By traditional definition, it would be one calf per cow each 12 months. However, there is more to it than just a "calf". We want a heavy weaning calf and would like to do it on the least amount of feed possible to accomplish the task. The number of calves produced per female in the breeding herd is no doubt the single most important factor influencing the income of the cow-calf operation. Increasing the calf crop by 10% is equal to approximately a 50 lb. increase in the average weaning weight of the calf crop. Reproduction in terms of the time the calf is born in relation to the calving season has a direct effect on the weaning weight of the calf. The older the calf at weaning the more it should weigh.
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South Dakota State University
Copyright © 1972 South Dakota State University
Slyter, Lowell, "Achieving Reproductive Efficiency" (1972). South Dakota Cow-Calf Field Day Proceedings, 1972. 3.