Transfer of passive immunity and survival in Jersey heifer calves fed heat-treated pooled colostrum
Acquisition of adequate transfer of passive immunity (ATPI) by calves depends on the absorption of sufficient mass of colostral immunoglobulin G (IgG). Several studies report conflicting evidence regarding the ability of feeding pooled colostrum to achieve ATPI. Pooling colostrum is practical and ef...
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Frontiers Media S.A.
2023-02-01
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Online Access: | https://www.frontiersin.org/articles/10.3389/fvets.2023.1094272/full |
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author | Katherine S. Bandlow Ailbhe King Ailbhe King Kelsie C. Kennicutt Shoshana Brody Munashe Chigerwe |
author_facet | Katherine S. Bandlow Ailbhe King Ailbhe King Kelsie C. Kennicutt Shoshana Brody Munashe Chigerwe |
author_sort | Katherine S. Bandlow |
collection | DOAJ |
description | Acquisition of adequate transfer of passive immunity (ATPI) by calves depends on the absorption of sufficient mass of colostral immunoglobulin G (IgG). Several studies report conflicting evidence regarding the ability of feeding pooled colostrum to achieve ATPI. Pooling colostrum is practical and efficient for some dairies, and recommendations are required to prevent failure of transfer of passive immunity (FTPI) in calves following pooling. This study aimed to determine the effect of pooling colostrum on serum IgG concentrations, FTPI, and preweaning mortality in calves. A prospective study was performed on two conventional Jersey dairy farms where heat treatment of colostrum occurred in the same colostrum processing kitchen. Four to 10 cows contributed to colostrum pools. A sample of the colostrum pool fed to the calves and serum from calves at 24–72 h was collected for IgG concentration determination by single radial immunodiffusion assay. Multivariable and logistic regression analyses were performed to evaluate factors that predicated serum IgG concentrations and the probability of FTPI, respectively. A Cox proportional hazard model analysis was performed to determine risk factors for mortality over the preweaning period. A total of 164 calves fed 28 colostrum pools were enrolled. Birth weight, number of colostrum feedings and pool IgG concentrations were significant predictors of calf serum IgG concentrations at 24–72 h, whereas the number of colostrum feedings and age at bleeding to determine passive transfer status were not significant predictors of calf serum IgG concentrations at 24–72 h. The prevalence of FTPI was 4.9%. Birth weight, pool IgG concentrations, number of colostrum feedings, and age at bleeding to check for passive transfer status were not significant predictors of the probability of FTPI at 24–72 h. The incidence of mortality was 4.3%. Passive transfer status was not a predictor of mortality. Our study demonstrates the effect of pooling colostrum on serum IgG concentrations even in herds where colostrum with higher median colostrum IgG concentrations is fed to calves. The results emphasize the recommendations to assess pooled colostrum IgG concentrations before feeding calves. |
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spelling | doaj.art-2d1f0ced2dbc407592ece760f8fff4a52023-02-24T07:02:57ZengFrontiers Media S.A.Frontiers in Veterinary Science2297-17692023-02-011010.3389/fvets.2023.10942721094272Transfer of passive immunity and survival in Jersey heifer calves fed heat-treated pooled colostrumKatherine S. Bandlow0Ailbhe King1Ailbhe King2Kelsie C. Kennicutt3Shoshana Brody4Munashe Chigerwe5Department of Veterinary Medicine and Epidemiology, University of California, Davis, Davis, CA, United StatesCenter for Integrative Mammalian Research, Department of Clinical Sciences, Ross University School of Veterinary Medicine, Basseterre, Saint Kitts and NevisDepartment of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, United StatesDepartment of Veterinary Medicine and Epidemiology, University of California, Davis, Davis, CA, United StatesDepartment of Veterinary Medicine and Epidemiology, University of California, Davis, Davis, CA, United StatesDepartment of Veterinary Medicine and Epidemiology, University of California, Davis, Davis, CA, United StatesAcquisition of adequate transfer of passive immunity (ATPI) by calves depends on the absorption of sufficient mass of colostral immunoglobulin G (IgG). Several studies report conflicting evidence regarding the ability of feeding pooled colostrum to achieve ATPI. Pooling colostrum is practical and efficient for some dairies, and recommendations are required to prevent failure of transfer of passive immunity (FTPI) in calves following pooling. This study aimed to determine the effect of pooling colostrum on serum IgG concentrations, FTPI, and preweaning mortality in calves. A prospective study was performed on two conventional Jersey dairy farms where heat treatment of colostrum occurred in the same colostrum processing kitchen. Four to 10 cows contributed to colostrum pools. A sample of the colostrum pool fed to the calves and serum from calves at 24–72 h was collected for IgG concentration determination by single radial immunodiffusion assay. Multivariable and logistic regression analyses were performed to evaluate factors that predicated serum IgG concentrations and the probability of FTPI, respectively. A Cox proportional hazard model analysis was performed to determine risk factors for mortality over the preweaning period. A total of 164 calves fed 28 colostrum pools were enrolled. Birth weight, number of colostrum feedings and pool IgG concentrations were significant predictors of calf serum IgG concentrations at 24–72 h, whereas the number of colostrum feedings and age at bleeding to determine passive transfer status were not significant predictors of calf serum IgG concentrations at 24–72 h. The prevalence of FTPI was 4.9%. Birth weight, pool IgG concentrations, number of colostrum feedings, and age at bleeding to check for passive transfer status were not significant predictors of the probability of FTPI at 24–72 h. The incidence of mortality was 4.3%. Passive transfer status was not a predictor of mortality. Our study demonstrates the effect of pooling colostrum on serum IgG concentrations even in herds where colostrum with higher median colostrum IgG concentrations is fed to calves. The results emphasize the recommendations to assess pooled colostrum IgG concentrations before feeding calves.https://www.frontiersin.org/articles/10.3389/fvets.2023.1094272/fullcalfpoolingcolostrumimmunityfailure of transfer of passive immunity |
spellingShingle | Katherine S. Bandlow Ailbhe King Ailbhe King Kelsie C. Kennicutt Shoshana Brody Munashe Chigerwe Transfer of passive immunity and survival in Jersey heifer calves fed heat-treated pooled colostrum Frontiers in Veterinary Science calf pooling colostrum immunity failure of transfer of passive immunity |
title | Transfer of passive immunity and survival in Jersey heifer calves fed heat-treated pooled colostrum |
title_full | Transfer of passive immunity and survival in Jersey heifer calves fed heat-treated pooled colostrum |
title_fullStr | Transfer of passive immunity and survival in Jersey heifer calves fed heat-treated pooled colostrum |
title_full_unstemmed | Transfer of passive immunity and survival in Jersey heifer calves fed heat-treated pooled colostrum |
title_short | Transfer of passive immunity and survival in Jersey heifer calves fed heat-treated pooled colostrum |
title_sort | transfer of passive immunity and survival in jersey heifer calves fed heat treated pooled colostrum |
topic | calf pooling colostrum immunity failure of transfer of passive immunity |
url | https://www.frontiersin.org/articles/10.3389/fvets.2023.1094272/full |
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