As the profit margin in the cattle business decreases because of rising expenses, it is crucial that each operation becomes efficient, right down to the genetic makeup of each individual animal. Heterosis positively influences many traits that are vital for profitable beef production, including fertility/reproduction, calf survival, calves that gain faster, efficiency and longevity. In addition, replacement females are 8% more efficient, live 38% longer, and have 25% more lifetime production in pounds of calf weaned.