Search Results       Your search for [subject]Pure lines returned 1 record.           The performance of purebreeds (Duroc and Yorkshire) and crossbred (Landrace x Yorkshire) under DMMMSU farm conditions. by Cruz, Anastacio C.; Bacnotan, La Union: Don Mariano Marcos Memorial State University, 1987. Subject: Swine; Pure lines; Crossbreds; Performance testing; Feed conversion efficiency.          Add to Book Cart Relevance: 17.09%