Prevalence of bovine virus diarrhoea (BVD) in 19 Danish dairy herds and estimation of incidence of infection in early pregnancy

Houe, Hans; Meyling, A.

doi:10.1016/s0167-5877(05)80040-6

Cited by 116 publications

(74 citation statements)

References 7 publications

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“…These animals are rarely encountered. The prevalence of PI animals in cattle populations ranges between 0.5 and 2% (Bolin et al, 1985;Alenius et al, 1986;Howard et al, 1986;Houe and Meyling, 1991;Houe et al, 1995;Frey et al, 1996). Lack of clinical signs of the BVDV infection in most cases calls for laboratory diagnosis as the only way of detection of infected animals.…”

Section: Discussionmentioning

confidence: 99%

Prevalence of bovine viral diarrhea virus infection in bulls in artificial insemination centers in Poland

Polak¹,

Zmudzinski²

1999

Veterinary Microbiology

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Section: Discussionmentioning

confidence: 99%

Prevalence of bovine viral diarrhea virus infection in bulls in artificial insemination centers in Poland

Polak¹,

Zmudzinski²

1999

Veterinary Microbiology

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“…Houe ve Meyling (19) tarafından Danimarka'da süt sığırı işletme-lerinde BVDV seroprevalansı PE görülen sürüde %87 iken PE görülmeyen sürüde %43 olarak tespit edilmiştir. Bu çalışmada test edilen hayvanların %85.4'ünde BVDV yönünden seropozitiflik saptanmıştır.…”

Section: Tartışma Ve Sonuçunclassified

Besi sığırlarında solunum sistemi virüslerinin seroprevalansı ve persiste BVD virüs enfeksiyonu tespiti

Öner¹,

Yeşilbağ²

2018

Ankara Üniversitesi Veteriner Fakültesi Dergisi

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Özet: Sığır solunum sistemi enfeksiyonları tüm dünyada besi ve süt sığırı işletmelerindeki en önemli problemlerden birisidir.Bu çalışmada, büyük kapasiteli bir besi sığırı işletmesinde bulunan üç farklı yaş grubundaki (6-8 aylık; 9-11 aylık; 12-15 aylık) hayvanlarda solunum sistemi virüslerinin serolojik dağılımı incelenmiştir. Bu kapsamda örneklenen hayvanlarda, bovine viral diarrhoea virüs (BVDV), bovine herpesvirüs-1 (BHV-1), bovine respiratorik sinsityal virüs (BRSV) ve bovine parainfluenza -3 (PI-3) virüsleri için spesifik antikor varlığı araştırılarak, bireysel ve çoklu solunum sistemi enfeksiyonlarının değerlendirmesi yapıldı. Araştırma kapsamında ele alınan her yaş grubundan 80 adet olmak üzere toplam 240 adet kan serumu örneği toplandı. Virüs nötralizasyon yöntemiyle yapılan analizler sonucunda BVDV, BHV-1, BRSV ve PI-3 için seropozitiflik değerleri sırasıyla 6-8 aylık grup için %96.3; %98.8; %100; %100; 9-11 aylık grup için %88.8; %100; %97.5; %98.8 ve 12-15 aylık grup için %71.3; %95; %93.8; %96.3 olarak tespit edildi. Elde edilen verilere göre 6-8 aylık ve 9-11 aylık hayvanların test edilen tüm etkenlere karşı yüksek seropozitifliğe sahip olduğu görülürken 12-15 aylık hayvanlarda bu oranın azalmaya başladığı belirlendi. Ayrıca örnekleme yapılan besi sığırlarının tümünün test edilen virüslerden en az iki veya daha fazlasına karşı seropozitif bulunması çoklu enfeksiyon varlığının yüksek oranda seyrettiğini gösterdi. Seropozitif hayvanların yaş grupları arasındaki dağılımının BVDV enfeksiyonu için 6-8 aylık ile 12-15 aylık ve 9-11 aylık ile 12-15 aylık yaşlar arasında istatistiki olarak önemli düzeyde farklı olduğu görüldü (P<0.05).Anahtar sözcükler: Besi sığırı, BHV-1, BRSV, BVDV, PI-3, persiste enfeksiyon, seroprevalans. Seroprevalance of respiratory viruses and detection of persistent BVD virus infection in beef cattleSummary: Bovine respiratory infections are among the most important problems both in beef and dairy production worldwide.In this study, serological distribution of bovine respiratory viruses was investigated in three different age groups (6-8 month; 9-11 month; 12-15 month) of non-vaccinated beef cattle in a large capacity farm. Neutralizing antibodies specific to bovine viral diarrhoea virus (BVDV), bovine herpesvirus -1 (BHV-1), bovine parainfluenza virus -3 (PI-3) and bovine respiratory syncytial virus (BRSV) were investigated. Total of 240 blood sera samples, 80 samples from each of the age groups were collected. Seropositivity rates for BVDV, BHV-1, BRSV and PI-3 were 96.3%, 98.8%, 100%, 100% in 6-8 month of age; 88.8%, 100%, 97.5%, 98.8% in 9-11 month of age and 71.3%, 95%, 93.8%, 96.3% in 12-15 month of age, respectively. According to this study, while group of 6-8 month and 9-11 month old animals exhibited a higher seropositivity against tested agents, 12-15 month old animals were determined to have decreased ratios. In addition, it was determined that a high proportion of multiple infections on account of all tested animals were found to be seropositive at least against two and...

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“…Thus, for a 6-month period, an incidence risk of 0.97 for seroconversion was seen among animals in farms with PI animals. 20,22 However, the speed of transmission depends on the 3 distance between PI animals and susceptible animals. 54 At that stage, a herd infection is usually easily identified by either antibody detection in bulk milk or use of the spot test.…”

Section: Herd Reinfection If a Pi Animal Or A Dam Carrying A Pimentioning

confidence: 99%

Test Strategies in Bovine Viral Diarrhea Virus Control and Eradication Campaigns in Europe

Houe¹,

Lindberg

Moennig³

2006

J VET Diagn Invest

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167

140

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Abstract. Several European countries have initiated national and regional control-and-eradication campaigns for bovine viral diarrhea virus (BVDV). Most of these campaigns do not involve the use of vaccines; in Germany, vaccination is used only in states in which it is considered necessary because of high BVDV prevalence. In European countries without organized BVDV control programs, vaccination is commonly used to control BVDV. Diagnostic test strategies are fundamental to all control-and-eradication campaigns; therefore, the purpose of this review is to describe how the available diagnostic tests are combined into test strategies in the various phases of control-and-eradication campaigns in Europe. Laboratory techniques are available for BVDV diagnosis at the individual animal level and at the herd level. These are strategically used to achieve 3 main objectives: 1) initial tests to classify herd status, 2) follow-up tests to identify individual BVDV-infected animals in infected herds, and 3) continued monitoring to confirm BVDVfree status. For each objective or phase, the validity of the diagnostic tests depends on the mode of BVDV introduction and duration of infection in test-positive herds, and on how long noninfected herds have been clear of BVDV. Therefore, the various herd-level diagnostic tools-such as antibody detection in bulk milk or in blood samples from young stock animals, or BVDV detection in bulk milk-need to be combined appropriately to obtain effective strategies at low cost. If the individual diagnostic tests are used with due consideration of the objectives of a specific phase of a BVDV control program, they are effective tools for controlling and eradicating BVDV in regions not using vaccination and where vaccination is a part of the control or eradication program.

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Prevalence of bovine virus diarrhoea (BVD) in 19 Danish dairy herds and estimation of incidence of infection in early pregnancy

Cited by 116 publications

References 7 publications

Prevalence of bovine viral diarrhea virus infection in bulls in artificial insemination centers in Poland

Prevalence of bovine viral diarrhea virus infection in bulls in artificial insemination centers in Poland

Besi sığırlarında solunum sistemi virüslerinin seroprevalansı ve persiste BVD virüs enfeksiyonu tespiti

Test Strategies in Bovine Viral Diarrhea Virus Control and Eradication Campaigns in Europe

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