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Effects Of Selection Of Data On Estimates Of Breeding Values By Three Methods For Litter Size, Backfat, And Average Daily Gain In Swine, T. E. Long, R. K. Johnson, J. W. Keele
Effects Of Selection Of Data On Estimates Of Breeding Values By Three Methods For Litter Size, Backfat, And Average Daily Gain In Swine, T. E. Long, R. K. Johnson, J. W. Keele
Department of Animal Science: Faculty Publications
Estimated breeding value was calculated based on individual phenotype (SP), an index of individual phenotype and full- and half-sib family averages (SI), or Best Linear Unbiased Rediction (BLUP). Traits considered were litter size (LS), backfat (BF), and ADG. Estimated breeding values were calculated using all data and after deletion of the poorest 5, 10, 15, or 20% of the records for BF and ADG, or 4.8, 8, 13, or 21% of the records for LS. When ail data were used, expected genetic gain from BLUP was greater than for SP by 22,7, and 31% and greater than for SI by …