Dressing percentage and the differential between live weight and carcass weight in cattle are influenced by both genetic and non-genetic factors1

Journal of Animal Science
Jessica M CoyneD P Berry

Abstract

The objective of the present study was to quantify the genetic and non-genetic contributors to variability in both carcass dressing percentage and dressing difference (i.e., the difference between carcass weight and live weight immediately prior to slaughter) in young animals and cows. The datasets contained 18,479 young animals from 653 herds, and 2,887 cows from 665 herds. Live weight records within 7 d of slaughter and associated carcass weight were available for all animals. Association analyses were undertaken using linear mixed models with fixed effects for the model of young animals consisting of animal breed, days between the date of last recorded live weight and slaughter date, heterosis and recombination loss coefficients, dam parity, a 3-way interaction between whether the animal originated in a dairy or beef herd, animal sex, and age at slaughter, as well as a 2-way interaction between calendar year of slaughter and month of slaughter; contemporary group was included as a random effect. Fixed effects in the cow model were cow breed, the number of days between the date of last recorded live weight and slaughter date, heterosis and recombination loss coefficients, the number of days postcalving, parity of the cow, and...Continue Reading

References

Nov 14, 1998·Journal of Animal Science·F PariacoteR E Hunsley
Jun 2, 2000·Journal of Animal Science·J W LeeL D Van Vleck
Oct 20, 2000·American Journal of Veterinary Research·J R GionfriddoS G Krohne
May 15, 2002·Journal of Animal Science·D G RileyS W Coleman
Apr 22, 2003·Journal of Dairy Science·P M VanRaden, A H Sanders
Mar 24, 2012·Animal : an International Journal of Animal Bioscience·T PabiouD P Berry
Apr 8, 2014·Animal : an International Journal of Animal Bioscience·D P BerryJ E Pryce
May 3, 2016·Journal of Animal Science·T M EnglishbyD P Berry

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Citations

Oct 9, 2019·Journal of Animal Science·David N KellyDonagh P Berry
Aug 1, 2020·Translational Animal Science·David N KellyDonagh P Berry
Dec 18, 2020·Frontiers in Veterinary Science·Peregrine Rothman-OstrowJonathan Rushton
Jul 20, 2021·Translational Animal Science·David N KellyD P Berry
Jun 15, 2021·Journal of Animal Science·Ligia C MoreiraDaniel M Schaefer
Aug 8, 2021·Animals : an Open Access Journal From MDPI·Liliana Di Stasio, Alberto Brugiapaglia

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