Genetic parameters of dairy character, protein yield, clinical mastitis, and other diseases in the Danish Holstein cattle

Journal of Dairy Science
M HansenL G Christensen

Abstract

The primary aim of this study was to estimate genetic correlations between dairy character, protein yield, clinical mastitis, and other diseases. Data consisted of first lactation records of Danish Holstein cows calving from 1990 to 1999. After editing, the data included records on 934,639 cows, of which 101,853 were assessed for dairy character, 472,421 for diseases, and 834,993 for protein yield. The disease traits were defined as binary traits in the period from 10 d before to 50 d after calving for clinical mastitis, and from 10 d before to 100 d after calving for diseases other than mastitis. Data were analyzed with a linear sire model using the method of AI-REML. Heritabilities were estimated to be 0.265 for protein yield, 0.261 for dairy character, 0.035 for clinical mastitis, and 0.020 for diseases other than mastitis. Estimates of genetic correlations between protein yield and dairy character, protein yield and clinical mastitis, and protein yield and diseases other than mastitis were 0.38, 0.33, and 0.14. Between the two disease traits, the genetic correlation was 0.24. The genetic correlation between dairy character and clinical mastitis was 0.24. Between dairy character and diseases other than mastitis the genetic c...Continue Reading

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Citations

Jun 30, 2005·Animal Health Research Reviews·Elizabeth J Glass
Apr 29, 2011·Journal of Dairy Science·H Hansen AxelssonJ Philipsson
Apr 22, 2003·Journal of Dairy Science·G FreyerI Hoeschele
Feb 23, 2010·Journal of Dairy Science·S BrotherstoneJ A Woolliams
Sep 9, 2006·Journal of Dairy Science·A C SørensenP Berg
Jun 20, 2015·Genetics, Selection, Evolution : GSE·Xiaoping WuGuosheng Su
Feb 19, 2010·Animal Science Journal = Nihon Chikusan Gakkaihō·Takeshi YamazakiKenji Togashi
Nov 9, 2005·Cytogenetic and Genome Research·E E ConnorJ L Williams
Apr 1, 2009·Animal : an International Journal of Animal Bioscience·B DubeD Norris
Jun 17, 2009·Journal of Dairy Science·M A Pérez-CabalR Alenda
Jul 6, 2020·Journal of Dairy Science·Asha M Miles, Heather J Huson
Jul 14, 2011·Journal of Animal Breeding and Genetics = Zeitschrift Für Tierzüchtung Und Züchtungsbiologie·M K SørensenA C Sørensen
Aug 19, 2005·Journal of Dairy Science·S KoenigH Simianer
Oct 15, 2018·Journal of Dairy Science·M SlagboomM Kargo

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