Although BW affects estrous detection, BCS did not affect RTS [25], consistent with the present study (BCS by RTS: P > 0.1). Furthermore, the heifers’ age did not influence the reproductive outcome when BCS and RTS were offered in the model (P > 0.1). Even though age was not different between breeding groups, the BCS and RTS are probably more influential on the reproductive outcome than the heifer’s age.