Variation in serum concentrations of immunoglobulins G, A, and M in Canadian Holstein-Friesian calves

Journal of Dairy Science
J L BurtonJ H Burton

Abstract

Radial immunodiffusion was used to quantify Ig concentrations (mg/100 ml) in the sera of 74 male and 82 female Holstein calves and in whole colostrum from their dams. Calves were the progeny of 15 AI bulls. Blood samples were collected by jugular puncture from calves at birth, 24 to 36 h post first colostrum ingestion, and then weekly from 3 to 7 wk of age. Colostrum was sampled within 6 h of parturition. Mean calf serum Ig profiles showed peak concentrations of all isotypes by d 1 of age, which declined greatly by 3 to 4 wk, followed by gradual increases to 7 wk. Within isotype, there were highly significant positive correlations between serum concentrations in calves from 3 to 7 wk and between colostral and calf serum concentrations up to 5 wk, depending on isotype. Effects of season and location on calf serum isotype concentrations were important, but effects of ease of calving and twinning were small. Paternal half-sib heritability estimates computed by restricted maximum likelihood ranged from 0 to .20 for IgG, 0 to .45 for IgA, and 0 to .26 for IgM, depending on sampling period, and were .07, .08, and 0 for IgG, IgA, and IgM, averaged over all sampling periods. Although standard errors were large, heritability estimates f...Continue Reading

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Citations

Aug 27, 2015·Irish Veterinary Journal·Ian HoganIngrid Lorenz
May 16, 2001·Journal of Dairy Science·D E MorinG C McCoy
Sep 1, 1994·Journal of Dairy Science·J C DetilleuxD H Kelley
Oct 18, 2006·Journal of the American Veterinary Medical Association·Derek M FosterGonzalo V Busso
Dec 29, 2020·Journal of Dairy Science·I W HaagenC D Dechow
Feb 23, 2010·Journal of Agricultural and Food Chemistry·Cyril CrossonClaire Rossi
Jul 3, 2021·Animals : an Open Access Journal From MDPI·Pauline DelhezAnne-Sophie Rao
Dec 9, 2008·Veterinary Immunology and Immunopathology·B A MallardP M Coussens

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