Prevalence of Bovine Viral Diarrhoea Virus (BVDV), Bovine Herpes Virus 1 (BHV 1), Leptospirosis and Neosporosis, and associated risk factors in 161 Irish beef herds

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Title: Prevalence of Bovine Viral Diarrhoea Virus (BVDV), Bovine Herpes Virus 1 (BHV 1), Leptospirosis and Neosporosis, and associated risk factors in 161 Irish beef herds
Authors: Barrett, Damien J.
Parr, Mervyn
Fagan, John
Tratalos, Jamie
et al.
Permanent link: http://hdl.handle.net/10197/9988
Date: 6-Jan-2018
Online since: 2019-04-17T07:19:56Z
Abstract: Background: There are limited data available, in Ireland or elsewhere, to determine the extent of exposure to various endemic diseases among beef cows and factors associated with exposure to causative pathogens. The objectives of this study were to determine the herd and within herd prevalence of Bovine Viral Diarrhoea Virus (BVDV), Bovine Herpes Virus 1 (BHV-1), Leptospirosis and Neosporosis in a large scale study of commercial beef herds on the island of Ireland, and to examine herd level factors associated with exposure to these pathogens in these herds. Results: The average number of cows tested per herd was 35.5 (median 30). Herd level seroprevalence to Bovine Herpesvirus-1(BHV-1), Bovine Viral-Diarrhoea Virus (BVDV), Leptospirosis and Neosporosis was 90%, 100%, 91% and 67%, respectively, while the mean within herd prevalence for the these pathogens was 40%, 77.7%, 65.7% and 5.7%, respectively. The study confirms that the level of seroconversion for the four pathogens of interest increases with herd size. There was also evidence that exposure to one pathogen may increase the risk of exposure to another pathogen. Conclusions: Herd level seroprevalences were in excess of 90% for BVDV, BHV-1 and Leptosporosis. Larger herds were subject to increased exposure to disease pathogens. This study suggests that exposure to several pathogens may be associated with the further exposure to other pathogens.
Funding Details: Department of Agriculture, Food and the Marine
Type of material: Journal Article
Publisher: BioMed Central
Journal: BMC Veterinary Research
Volume: 14
Issue: 8
Start page: 1
End page: 10
Copyright (published version): 2018 the Authors
Keywords: Beef cow herdsBVDVBHV-1NeosporosisLeptospirosisHerd sizePathogen associations
DOI: 10.1186/s12917-017-1324-9
Language: en
Status of Item: Peer reviewed
Appears in Collections:CVERA Research Collection

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