A.S. Series 64-22
Work with swine at the North Central Substation, Eureka, is intended to demonstrate:
1. The usefulness of systematic rotation breed crossing
2 . Herd management with SPF or disease free swine
3 . Feeding and management for sound swine production
Number of Pages
Agricultural Experiment Station, South Dakota State College
McCarty, J.W. and Dittman, Albert, "Systematic Rotation Crossing and SPF Management in Swine Production" (1964). South Dakota Swine Field Day Proceedings and Research Reports, 1964. 5.