The Swine Center facilities house 100 females that are farrowed in 24 farrowing crates eight times per year. There are grower-finish facilities for 300 animals and nursery facilities for up to 450 animals. The main sow herd consists of Yorkshire x Landrace females that are artificially inseminated to a Duroc sire line. There are also 25-35 litters per year that are sired by show pig sires. The show pig litters are used primarily for teaching and Extension. The main sow herd is used for nutritional research trials. The offspring from this sow herd are used for nutritional studies in the nurseries, grower-finish trials, and reproductive physiology studies.