Short communication: The beef merit of the sire mated to a dairy female affects her subsequent performance

Journal of Dairy Science
Donagh P Berry, S C Ring

Abstract

Much of the research to date on dairy × beef matings has focused only on the greater revenue attainable from these beef-cross calves. The objective of the present study was to quantify the mean effect on cow performance following the birth of calves differing in beef merit; all calves were born without calving assistance. Beef merit in the present study was based on the breed of the sire but also its genetic merit for carcass weight and conformation. The cross-sectional study used up to 346,765 calving events from 230,255 Holstein-Friesian cows in 3,604 herds. Performance traits of interest were those associated with milk production, including somatic cell count, as well as female reproductive performance. Sire breed was associated with all yield traits, somatic cell count, and both pregnancy rate and the interval from calving to first service; no association existed with either submission rate or number of services. Relative to a Holstein-Friesian sire, the mean 305-d milk yield (in kg) was 45.22 (standard error, SE = 4.0), 62.0 (SE = 36.8), 65.4 (SE = 9.6), 101.1 (SE = 31.6), 36.7 (SE = 4.9), 51.5 (SE = 10.7), 53.3 (SE = 31.5), and 43.3 (SE = 23.4) less for cows that gave birth to Angus-, Aubrac-, Beligan Blue-, Charolais-, H...Continue Reading

References

Jan 31, 2002·Molecular Endocrinology·Ibrahim M AdhamWolfgang Engel
Sep 30, 2010·Theriogenology·D P BerryS Mc Parland
Mar 24, 2012·Animal : an International Journal of Animal Bioscience·T PabiouD P Berry
Aug 1, 2010·Animal : an International Journal of Animal Bioscience·N Mc HughD P Berry
Oct 4, 2012·Animal : an International Journal of Animal Bioscience·R FouzF J Diéguez
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
Oct 1, 2018·Journal of Dairy Science·D P BerryA R Cromie
Sep 10, 2019·Journal of Dairy Science·D P BerryF Hely
Dec 2, 2019·Journal of Dairy Science·D P BerryR D Evans
Jul 27, 2020·Translational Animal Science·Michelle M JudgeDonagh P Berry

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