Angus Based Breed Mean Yearling Wt . EPD

Efficiency seems to be a global buzzword that is thrown about with multiple, and often unclear, meanings. Generally it is used in the context of improved feed utilization or reproductive performance. However the premise of this paper is to argue that efficiency can also be gained by simply using available genetic resources in a more optimal manor. An example of optimal use is the clear delineation of maternal and terminal breeding systems. There exists a pervasive thought that some breeds, or some bulls, can maximize profit in any scenario. Moreover, the most common breeding objective is to sell steer calves and cull heifers at weaning (terminal) and retain replacement heifers (maternal). Dividing a firm (ranch), particularly if cow herd size is small, into two distinct and potentially antagonistic goals can lead to minimal progress in either objective or worse, improvement in one at the sacrifice of the other. Unfortunately these beliefs and practices ultimately lead to sub-optimal breeding decisions and thus decreased beef system efficiency.