Factors associated with the bovine viral diarrhoea (BVD) status in cattle herds in Northwest Germany

Amelung, Silke; Hartmann, Maria; Haas, Ludwig; Kreienbrock, Lothar

doi:10.1016/j.vetmic.2018.01.018

Cited by 15 publications

(15 citation statements)

References 23 publications

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“…Risk factors for introduction and delayed detection of BVDV are not easily studied in isolation due to the difficulty of determining exactly when the virus is introduced into a herd. Risk factors for the presence of infection are more often reported (e.g., Graham et al, 2013;Byrne et al, 2017;Amelung et al, 2018) and could serve as a proxy for introduction and delayed detection. In this study, we have conducted a systematic literature search, seeking to gain a comprehensive overview of possible risk factors for the presence of BVDV infection in cattle herds in Europe.…”

Section: Quantification Of Risk Factors For Bovine Viral Diarrhea Virus In Cattle Herdsmentioning

confidence: 99%

Quantification of risk factors for bovine viral diarrhea virus in cattle herds: A systematic search and meta-analysis of observational studies

Roon

Mercat

Schaik

et al. 2020

Journal of Dairy Science

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Section: Quantification Of Risk Factors For Bovine Viral Diarrhea Virus In Cattle Herdsmentioning

confidence: 99%

Quantification of risk factors for bovine viral diarrhea virus in cattle herds: A systematic search and meta-analysis of observational studies

Roon

Mercat

Schaik

et al. 2020

Journal of Dairy Science

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“…Thus, the existence of control programmes has an impact on the sanitary status of these farms; however, apart from the control of purchased animals (mandatory), the ADSG programmes do not seem to have significant influence on the application of many other measures concerning biosecurity (recommended but not mandatory), judging by the critical deficiencies that have been observed. Although purchased cattle are considered to be the main risk factor for disease entry to dairy farms, [37][38][39][40][41] the importance of other measures should not be underestimated and may result in less use of monetary and labour resources intended for control programmes.…”

Section: Discussionmentioning

confidence: 99%

A survey of biosecurity measures and serological status for bovine viral diarrhoea virus and bovine herpesvirus 1 on dairy cattle farms in north‐west and north‐east Spain

Villaamil¹,

Arnaiz

Allepuz³

et al. 2020

Veterinary Record Open

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BackgroundBiosecurity is a key measure to reduce and prevent the introduction of diseases to farms and minimise spread of diseases within a herd. The aim of the study was to characterise the current application of biosecurity measures on dairy cattle farms in Spain along with their bovine viral diarrhoea and infectious bovine rhinotracheitis status.MethodsData on biosecurity measures for 124 dairy herds were collected using a questionnaire. The sanitary status of these farms for bovine viral diarrhoea and infectious bovine rhinotracheitis was also assessed using antibody ELISA. Data were analysed using multiple correspondence analysis and a two-step cluster analysis.ResultsThree main clusters of farms were identified: clusters 1 and 2 included herds of small and intermediate sizes. These, particularly cluster 1, showed the most deficiencies in the control of vehicles and visitors. However, laboratory tests were always performed on purchased animals. Cluster 3 had the largest herd sizes, with somewhat better biosecurity control of vehicles and visitors. However, farms in this cluster also purchased the most animals, sometimes without testing, and hired external workers more often.ConclusionThe study indicated that, in the study population, there are serious shortcomings in the application of biosecurity measures on dairy farms, exposing them to disease transmission. This survey also highlights regional and herd size-related differences in the implementation of biosecurity. Collecting data is an important first step to identification of specific weaknesses in different farm typologies, and an adequate follow-up is needed to ensure that measures are implemented correctly on farms.

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“…BVDV infection has a global distribution and affects animal health and reproductive performance, resulting in significant economic losses. Recently, the prevalence study of BVDV in cows has been determined worldwide (Amelung et al 2018;Aragaw et al 2018;Evans et al 2018;Khodakaram-Tafti and Farjanikish 2017;Kumar et al 2018;Ochirkhuu et al 2016). In China, the disease was firstly reported in the 1980s of the last century Fulton 2009), and most of the investigations concerning BVDV infection were seldom published internationally (Deng et al 2015).…”

Section: Discussionmentioning

confidence: 99%

“…PI calves are probably one of the most important means by which BVDV infection can be maintained in dairy cattle herds (Wang et al 2011;Amelung et al 2018). Classically, the prevalence of PI animals ranges between 0.5% and 2% (Stott et al 2012).…”

Section: Discussionmentioning

confidence: 99%

Prevalence of bovine viral diarrhea virus in dairy cattle herds in eastern China

Hou

Zhao

Wang

et al. 2018

Trop Anim Health Prod

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Bovine viral diarrhea virus (BVDV) is a worldwide spreading pestivirus affecting cattle and other ruminants; however, there have been few reports on epidemiologic investigation of BVDV in eastern China. In this study, bulk tank milk from 36 herds of dairy cattle in eastern China was submitted to serological investigations, 77.8% of herds was BVDV antibody positive. Individual animal status in two herds was further investigated collecting blood samples, the positive ratio was 49.74% and 24.64%, and the average positive ratio of calves, heifers, and lactating cows was 15.94%, 40.16%, and 41.7%, respectively. Moreover, clinical survey was carried out among 8170 dairy cattle from 36 herds, for diarrhea syndrome, respiratory problems and reproductive failure, and pathogens of all clinical cattle were further investigated. The results showed that BVDV was one of the main pathogen, which infected animals combining with various other viruses. Then, nine BVDV strains were isolated; phylogenetic analysis showed that BVDV subtypes currently circulating in eastern China were BVDV 1a and BVDV 1c. In addition, out of 377 cows tested, the 1.86% detected positive to the BVDV antigen. This study provided the foundation of further study on vaccination and control strategies of BVDV in eastern China.

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Factors associated with the bovine viral diarrhoea (BVD) status in cattle herds in Northwest Germany

Cited by 15 publications

References 23 publications

Quantification of risk factors for bovine viral diarrhea virus in cattle herds: A systematic search and meta-analysis of observational studies

Quantification of risk factors for bovine viral diarrhea virus in cattle herds: A systematic search and meta-analysis of observational studies

A survey of biosecurity measures and serological status for bovine viral diarrhoea virus and bovine herpesvirus 1 on dairy cattle farms in north‐west and north‐east Spain

Prevalence of bovine viral diarrhea virus in dairy cattle herds in eastern China

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