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Puberty traits in beef cattle are important criteria for evaluating the use of breeds for different beef production systems. Age at puberty is an important trait in beef cattle where females are bred to calve at 2 years of age, especially when a restricted breeding season is used. It is not only important that heifers reach puberty and conceive, but that they conceive early in the breeding season. Heifers that fail to reach puberty or that reach puberty and conceive late in the breeding season cause reduced production efficiency. Thus, from a breed selection standpoint, puberty is an important trait for identifying breed combinations most appropriate for different production situations.