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Consequences of hazardous dietary calcium deficiency for fattening bulls

BACKGROUND: Deficient mineral supplementation on a feedlot farm resulted in severe clinical manifestations in fattening bulls. Animals mistakenly received only 60–70% of the recommended calcium intake, while simultaneously receiving twice the amount of phosphorus recommended. Thus, the dietary Ca/P...

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Autores principales: Heinola, Teppo, Jukola, Elias, Näkki, Päivi, Sukura, Antti
Formato: Texto
Lenguaje:English
Publicado: BioMed Central 2006
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1762008/
https://www.ncbi.nlm.nih.gov/pubmed/17156437
http://dx.doi.org/10.1186/1751-0147-48-25
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author Heinola, Teppo
Jukola, Elias
Näkki, Päivi
Sukura, Antti
author_facet Heinola, Teppo
Jukola, Elias
Näkki, Päivi
Sukura, Antti
author_sort Heinola, Teppo
collection PubMed
description BACKGROUND: Deficient mineral supplementation on a feedlot farm resulted in severe clinical manifestations in fattening bulls. Animals mistakenly received only 60–70% of the recommended calcium intake, while simultaneously receiving twice the amount of phosphorus recommended. Thus, the dietary Ca/P ratio was severely distorted. After approximately six months on such a diet, four fattening bulls were euthanized because of severe lameness and 15% of other animals on the farm were having clinical leg problems. Veterinary consultation revealed the mistake in mineral supplementation. METHODS: Fattening bulls were divided into three groups depending on the time of their arrival to the farm. This enabled the effect of mineral imbalance at different growth phases to be examined. After slaughtering, the bones of both front and hind limbs were macroscopically evaluated. RESULTS: Over 80% of the animals with a calcium-deficient diet had at least one severe osteoarthritic lesion. The economic impact of the calcium deficiency was statistically significant. CONCLUSION: Calcium deficiency with distorted Ca/P ratio yielded a severe outbreak of osteoarthritis in fattening bulls. Calcium deficiency caused a more serious lesions in age group 5–12 months than age group 12–18 months. Besides causing obvious economic losses osteoarthritis is also a welfare issue for feedlot animals.
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spelling pubmed-17620082007-01-04 Consequences of hazardous dietary calcium deficiency for fattening bulls Heinola, Teppo Jukola, Elias Näkki, Päivi Sukura, Antti Acta Vet Scand Research BACKGROUND: Deficient mineral supplementation on a feedlot farm resulted in severe clinical manifestations in fattening bulls. Animals mistakenly received only 60–70% of the recommended calcium intake, while simultaneously receiving twice the amount of phosphorus recommended. Thus, the dietary Ca/P ratio was severely distorted. After approximately six months on such a diet, four fattening bulls were euthanized because of severe lameness and 15% of other animals on the farm were having clinical leg problems. Veterinary consultation revealed the mistake in mineral supplementation. METHODS: Fattening bulls were divided into three groups depending on the time of their arrival to the farm. This enabled the effect of mineral imbalance at different growth phases to be examined. After slaughtering, the bones of both front and hind limbs were macroscopically evaluated. RESULTS: Over 80% of the animals with a calcium-deficient diet had at least one severe osteoarthritic lesion. The economic impact of the calcium deficiency was statistically significant. CONCLUSION: Calcium deficiency with distorted Ca/P ratio yielded a severe outbreak of osteoarthritis in fattening bulls. Calcium deficiency caused a more serious lesions in age group 5–12 months than age group 12–18 months. Besides causing obvious economic losses osteoarthritis is also a welfare issue for feedlot animals. BioMed Central 2006-12-08 /pmc/articles/PMC1762008/ /pubmed/17156437 http://dx.doi.org/10.1186/1751-0147-48-25 Text en Copyright © 2006 Heinola et al; licensee BioMed Central Ltd. http://creativecommons.org/licenses/by/2.0 This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( (http://creativecommons.org/licenses/by/2.0) ), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Research
Heinola, Teppo
Jukola, Elias
Näkki, Päivi
Sukura, Antti
Consequences of hazardous dietary calcium deficiency for fattening bulls
title Consequences of hazardous dietary calcium deficiency for fattening bulls
title_full Consequences of hazardous dietary calcium deficiency for fattening bulls
title_fullStr Consequences of hazardous dietary calcium deficiency for fattening bulls
title_full_unstemmed Consequences of hazardous dietary calcium deficiency for fattening bulls
title_short Consequences of hazardous dietary calcium deficiency for fattening bulls
title_sort consequences of hazardous dietary calcium deficiency for fattening bulls
topic Research
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1762008/
https://www.ncbi.nlm.nih.gov/pubmed/17156437
http://dx.doi.org/10.1186/1751-0147-48-25
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