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Postweaning Performance And Carcass Merit Of Purebred And Two-Breed Cross Pigs, L. D. Young, R. K. Johnson, I. T. Omtvedt, L. E. Walters
Postweaning Performance And Carcass Merit Of Purebred And Two-Breed Cross Pigs, L. D. Young, R. K. Johnson, I. T. Omtvedt, L. E. Walters
Department of Animal Science: Faculty Publications
The feedlot records of 2,111 purebred and crossbred pigs representing all purebred and all possible two-way crosses of Duroc, Hampshire and Yorkshire were analyzed to evaluate average daily gain on test, age at 100 kg, average backfat probe of gilts, average daily feed consumption and feed conversion. A random sample of 392 barrows was used to evaluate carcass traits. The data were analyzed to determine breed of sire and breed of dam effects, to evaluate differences between reciprocal crosses and to estimate heterosis. Breed of sire and breed of dam effects were significant for many of the traits evaluated. Straightbred …