Using Expected Progeny Differences for Swine Selection

North Carolina State University Animal Science Fact Sheet ANS93-801S. Many factors influence the profitability of a swine production unit; however, this discussion will focus on the influence of genetics. The primary goal in making any genetic decision is the identification of seedstock that will maximize the net profits of an operation over time. Remember, superior genetics in a swine operation will improve both the overall efficiency of the swine enterprize and be permanent.