Condition of surplus dairy calves during marketing: A cross-sectional study

ABSTRACT: In North America, surplus dairy calves are sold soon after birth and often marketed through a third party (e.g., live auction, livestock dealer) before entering veal or dairy beef production. Previous work has demonstrated that a percentage of calves have failed transfer of passive immunit...

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Main Authors: H.L. Maggard, G.G. Habing, D.L. Renaud, K.L. Proudfoot, Z.A. England, T.-Y. Cheng, D.J. Wilson, M. Moran, J.A. Pempek
Format: Article
Language:English
Published: Elsevier 2024-04-01
Series:Journal of Dairy Science
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S0022030223007658
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author H.L. Maggard
G.G. Habing
D.L. Renaud
K.L. Proudfoot
Z.A. England
T.-Y. Cheng
D.J. Wilson
M. Moran
J.A. Pempek
author_facet H.L. Maggard
G.G. Habing
D.L. Renaud
K.L. Proudfoot
Z.A. England
T.-Y. Cheng
D.J. Wilson
M. Moran
J.A. Pempek
author_sort H.L. Maggard
collection DOAJ
description ABSTRACT: In North America, surplus dairy calves are sold soon after birth and often marketed through a third party (e.g., live auction, livestock dealer) before entering veal or dairy beef production. Previous work has demonstrated that a percentage of calves have failed transfer of passive immunity (FTPI) and clinical signs of disease on arrival at calf-raising facilities, but little is known regarding calf condition during marketing. The objectives of this cross-sectional study were to (1) estimate the prevalence of FTPI and poor health outcomes in surplus calves on arrival at livestock dealers, and (2) investigate the association between calf-level variables (body weight, sex, source) and health outcomes. Two livestock dealers in Ohio were visited 2 to 3 times per week, with approximately 28 calves enrolled in the study per visit for a total of 1,119 calves. One blood sample per calf was obtained to evaluate FTPI by measuring serum total protein concentrations (using a cutoff <5.1 g/dL). Calves were clinically evaluated for signs of arthritis, broken ribs or tail, dehydration, depression, diarrhea, fever, navel inflammation, and respiratory disease by 2 observers; health outcomes were dichotomized using clinically relevant cut points. Descriptive statistics were used to estimate the prevalence of calves with poor health outcomes. Multivariable logistic regression models were built to investigate the effect of body weight, sex, and source on health outcomes. Nineteen percent (206/1,091) of calves had FTPI.
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spelling doaj.art-e033c0ea0caa4fc8a5026a8ce1fdb8ef2024-03-22T05:38:16ZengElsevierJournal of Dairy Science0022-03022024-04-01107424442453Condition of surplus dairy calves during marketing: A cross-sectional studyH.L. Maggard0G.G. Habing1D.L. Renaud2K.L. Proudfoot3Z.A. England4T.-Y. Cheng5D.J. Wilson6M. Moran7J.A. Pempek8Department of Animal Sciences, College of Food, Agriculture, and Environmental Sciences, The Ohio State University, Columbus, OH 43210Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, Columbus, OH 43210Department of Population Medicine, University of Guelph, Guelph, ON, Canada, N1G 2W1Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, PE, Canada, C1A 4P3Department of Animal Sciences, College of Food, Agriculture, and Environmental Sciences, The Ohio State University, Columbus, OH 43210Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, Columbus, OH 43210Department of Population Medicine, University of Guelph, Guelph, ON, Canada, N1G 2W1Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, Columbus, OH 43210Livestock Behavior Research Unit, USDA Agricultural Research Service, West Lafayette, IN 47907; Corresponding authorABSTRACT: In North America, surplus dairy calves are sold soon after birth and often marketed through a third party (e.g., live auction, livestock dealer) before entering veal or dairy beef production. Previous work has demonstrated that a percentage of calves have failed transfer of passive immunity (FTPI) and clinical signs of disease on arrival at calf-raising facilities, but little is known regarding calf condition during marketing. The objectives of this cross-sectional study were to (1) estimate the prevalence of FTPI and poor health outcomes in surplus calves on arrival at livestock dealers, and (2) investigate the association between calf-level variables (body weight, sex, source) and health outcomes. Two livestock dealers in Ohio were visited 2 to 3 times per week, with approximately 28 calves enrolled in the study per visit for a total of 1,119 calves. One blood sample per calf was obtained to evaluate FTPI by measuring serum total protein concentrations (using a cutoff <5.1 g/dL). Calves were clinically evaluated for signs of arthritis, broken ribs or tail, dehydration, depression, diarrhea, fever, navel inflammation, and respiratory disease by 2 observers; health outcomes were dichotomized using clinically relevant cut points. Descriptive statistics were used to estimate the prevalence of calves with poor health outcomes. Multivariable logistic regression models were built to investigate the effect of body weight, sex, and source on health outcomes. Nineteen percent (206/1,091) of calves had FTPI.http://www.sciencedirect.com/science/article/pii/S0022030223007658failed transfer of passive immunityhealthmarketingsurplus dairy calf
spellingShingle H.L. Maggard
G.G. Habing
D.L. Renaud
K.L. Proudfoot
Z.A. England
T.-Y. Cheng
D.J. Wilson
M. Moran
J.A. Pempek
Condition of surplus dairy calves during marketing: A cross-sectional study
Journal of Dairy Science
failed transfer of passive immunity
health
marketing
surplus dairy calf
title Condition of surplus dairy calves during marketing: A cross-sectional study
title_full Condition of surplus dairy calves during marketing: A cross-sectional study
title_fullStr Condition of surplus dairy calves during marketing: A cross-sectional study
title_full_unstemmed Condition of surplus dairy calves during marketing: A cross-sectional study
title_short Condition of surplus dairy calves during marketing: A cross-sectional study
title_sort condition of surplus dairy calves during marketing a cross sectional study
topic failed transfer of passive immunity
health
marketing
surplus dairy calf
url http://www.sciencedirect.com/science/article/pii/S0022030223007658
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