Ostertagia spp., rumen fluke and liver fluke single- and poly-infections in cattle: an abattoir study of prevalence and production impacts in England and Wales

This study aims at investigating the occurrence, risk factors and production impacts on beef carcassparameters of three of the most important cattle helminth infections in England and Wales. Abomasa, reticulorumens and livers from healthy cattle were collected and examined post-mortem quarterly over...

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Main Authors: Bellet, Camille, Green, Martin J., Vickers, M., Forbes, A., Berry, J., Kaler, Jasmeet
Format: Article
Published: Elsevier 2016
Subjects:
Online Access:https://eprints.nottingham.ac.uk/37947/
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author Bellet, Camille
Green, Martin J.
Vickers, M.
Forbes, A.
Berry, J.
Kaler, Jasmeet
author_facet Bellet, Camille
Green, Martin J.
Vickers, M.
Forbes, A.
Berry, J.
Kaler, Jasmeet
author_sort Bellet, Camille
building Nottingham Research Data Repository
collection Online Access
description This study aims at investigating the occurrence, risk factors and production impacts on beef carcassparameters of three of the most important cattle helminth infections in England and Wales. Abomasa, reticulorumens and livers from healthy cattle were collected and examined post-mortem quarterly over a one year period in an abattoir in South-West England. Specific viscera from 974 cattle were collected,examined and scored for Ostertagia spp., adult rumen fluke and liver fluke lesions/presence. A total of89%, 25% and 29% of the carcasses had lesions/presence of Ostertagia spp., rumen fluke and liver fluke, respectively, and 39% had presence of helminth co-infection. Animal demographic and carcass parameters associated with helminth infections were investigated using multi level multinomial and multilevel linear mixed models respectively. After adjusting for other factors, significant differences in the distribution of helminth infections were observed among cattle by type of breed, animal category (cow, heifer, steer and young bull), age, season and concurrent helminth infections. Compared to carcasses free of helminths, carcasses presenting solely Ostertagia Spp. lesions or adult rumen fluke had significantly lower cold carcass weight (coef.: −30.58 [−50.92;−10.24] and −50.34 [−88.50;−12.18]) and fat cover-age (coef.: −3.28 [−5.56;−1.00] and −5.49 [−10.28;−0.69]) and carcasses presenting solely liver flukelesions had significantly lower conformation grade (coef.: −3.65 [−6.98;−0.32]). Presence of helminth poly-infections was negatively associated with cold carcass weight.
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spelling nottingham-379472020-05-04T18:05:16Z https://eprints.nottingham.ac.uk/37947/ Ostertagia spp., rumen fluke and liver fluke single- and poly-infections in cattle: an abattoir study of prevalence and production impacts in England and Wales Bellet, Camille Green, Martin J. Vickers, M. Forbes, A. Berry, J. Kaler, Jasmeet This study aims at investigating the occurrence, risk factors and production impacts on beef carcassparameters of three of the most important cattle helminth infections in England and Wales. Abomasa, reticulorumens and livers from healthy cattle were collected and examined post-mortem quarterly over a one year period in an abattoir in South-West England. Specific viscera from 974 cattle were collected,examined and scored for Ostertagia spp., adult rumen fluke and liver fluke lesions/presence. A total of89%, 25% and 29% of the carcasses had lesions/presence of Ostertagia spp., rumen fluke and liver fluke, respectively, and 39% had presence of helminth co-infection. Animal demographic and carcass parameters associated with helminth infections were investigated using multi level multinomial and multilevel linear mixed models respectively. After adjusting for other factors, significant differences in the distribution of helminth infections were observed among cattle by type of breed, animal category (cow, heifer, steer and young bull), age, season and concurrent helminth infections. Compared to carcasses free of helminths, carcasses presenting solely Ostertagia Spp. lesions or adult rumen fluke had significantly lower cold carcass weight (coef.: −30.58 [−50.92;−10.24] and −50.34 [−88.50;−12.18]) and fat cover-age (coef.: −3.28 [−5.56;−1.00] and −5.49 [−10.28;−0.69]) and carcasses presenting solely liver flukelesions had significantly lower conformation grade (coef.: −3.65 [−6.98;−0.32]). Presence of helminth poly-infections was negatively associated with cold carcass weight. Elsevier 2016-08-30 Article PeerReviewed Bellet, Camille, Green, Martin J., Vickers, M., Forbes, A., Berry, J. and Kaler, Jasmeet (2016) Ostertagia spp., rumen fluke and liver fluke single- and poly-infections in cattle: an abattoir study of prevalence and production impacts in England and Wales. Preventive Veterinary Medicine, 132 . pp. 98-106. ISSN 1873-1716 Ostertagia spp.; Rumen fluke; F. hepatica; Co-infection; Beef production impact; Multilevel modelling http://www.sciencedirect.com/science/article/pii/S016758771630304X doi:10.1016/j.prevetmed.2016.08.010 doi:10.1016/j.prevetmed.2016.08.010
spellingShingle Ostertagia spp.; Rumen fluke; F. hepatica; Co-infection; Beef production impact; Multilevel modelling
Bellet, Camille
Green, Martin J.
Vickers, M.
Forbes, A.
Berry, J.
Kaler, Jasmeet
Ostertagia spp., rumen fluke and liver fluke single- and poly-infections in cattle: an abattoir study of prevalence and production impacts in England and Wales
title Ostertagia spp., rumen fluke and liver fluke single- and poly-infections in cattle: an abattoir study of prevalence and production impacts in England and Wales
title_full Ostertagia spp., rumen fluke and liver fluke single- and poly-infections in cattle: an abattoir study of prevalence and production impacts in England and Wales
title_fullStr Ostertagia spp., rumen fluke and liver fluke single- and poly-infections in cattle: an abattoir study of prevalence and production impacts in England and Wales
title_full_unstemmed Ostertagia spp., rumen fluke and liver fluke single- and poly-infections in cattle: an abattoir study of prevalence and production impacts in England and Wales
title_short Ostertagia spp., rumen fluke and liver fluke single- and poly-infections in cattle: an abattoir study of prevalence and production impacts in England and Wales
title_sort ostertagia spp., rumen fluke and liver fluke single- and poly-infections in cattle: an abattoir study of prevalence and production impacts in england and wales
topic Ostertagia spp.; Rumen fluke; F. hepatica; Co-infection; Beef production impact; Multilevel modelling
url https://eprints.nottingham.ac.uk/37947/
https://eprints.nottingham.ac.uk/37947/
https://eprints.nottingham.ac.uk/37947/