Journals / Ankara Üniversitesi Veteriner Fakültesi Dergisi / 2003 / Cilt: 50 - Sayı: 2

Control and epidemiology of bovine viral diarrhea virus (BVDV) infection for dairy herds in Turkey

Türkiye'de süt sığırcılığı işletmelerinde bovine viral diarrhea virus (BVDV) enfeksiyonunun epidemiyolojisi ve kontrolü

Pages
127–133
Publication Date
2022-10-12
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The overall and herd-based prevalence values of peristent infection were calculated as 0.07% and 0.61-0.83%, respectively.

📌 3 Key Takeaways

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Objective & Hypothesis:In this study, 12413 blood samples obtained from cattle which are not vaccinated with bovine viral diarrhea (BVD) vaccine in 26 dairy herds were used.
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Key Findings & Data:In the result of virus isolation attempts, 40 animals from 10 herds were found as to be BVDV carrier. (Of 23 cattle of which resampling was possible) and 9 cattle were found to be persistently viraemic.
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Conclusion & Impact:The overall and herd-based prevalence values of peristent infection were calculated as 0.07% and 0.61-0.83%, respectively.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

In this study, 12413 blood samples obtained from cattle which are not vaccinated with bovine viral diarrhea (BVD) vaccine in 26 dairy herds were used. Blood samples were tested for BVD virus using PLA technique. Antibodies against BVDV were examined using microneutralization technique. In the result of virus isolation attempts, 40 animals from 10 herds were found as to be BVDV carrier. (Of 23 cattle of which resampling was possible) and 9 cattle were found to be persistently viraemic. The overall and herd-based prevalence values of peristent infection were calculated as 0.07% and 0.61-0.83%, respectively. All herds sampled were found to be positive for BVDV infection. The seroprevalence of BVDV infection was ranged between serologically 0.6% and 70.0% in the herds. The results show that BVDV infection is widespread in these herds. Furthermore, recommendation to the control of BVDV infection for dairy herds were presented.

Özet

Bu araştırmada, Türkiye'nin farklı bölgelerinde bulunan 26 süt sığırcılığı işletmesindeki bovine viral diarrhea (BVD) aşısı uygulanmamış toplam 12413 sığırdan sağlanan kan örnekleri kullanıldı. Kan örnekleri BVDV yönünden peroksidaz bağlı antikor (PLA) testi ve BVDV'ye spesifik antikorlar yönünden serum nötralizasyon testi ile kontrol edildi. Virüs izolasyon ve identifikasyon çalışmaları sonucunda, örneklenen sığırlardan 40 adedinde BVD virüs varlığı saptandı. Bu sığırların 23'ünden ikinci kez sağlanan kan örneklerinden 9'unda yeniden BVDV saptanmasına dayanılarak, söz konusu sığırlarda "BVD virüs ile persiste enfeksiyon" belirlendi. Kontrol edilen sürülerin %11.5'unda, örneklenen populasyonun %0.07'sinde persiste enfekte hayvan varlığı tespit edildi, işletmelerdeki persiste enfeksiyon oranı ise %0.61-0.83 olarak hesaplandı. Ayrıca, persiste enfekte gebe 3 sığırın persiste enfekte buzağılar doğurduğu belirlendi. Serolojik çalışma sonucunda ise, kontrol edilen işletmelerin tümünde (%100) enfeksiyonun varlığı saptandı, işletmelere göre seropozitiflik oranları %0.6-70.0 olarak belirlendi. Bu araştırmadan elde edilen veriler, örneklenen sürülerde BVDV seroprevalansmı ve persiste enfeksiyon oranlarını ortaya koydu. Bu bilgilerden hareketle söz konusu işletmelerde BVDV enfeksiyonunun kontroluna yönelik önerilerde bulunuldu.

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Cite This Article

KARAOĞLU, T., GÜNGÖR, B., ALKAN, F., BURGU, İ., ÖZKUL, A., YEŞİLBAĞ, K. (2022). Control and epidemiology of bovine viral diarrhea virus (BVDV) infection for dairy herds in Turkey. Ankara Üniversitesi Veteriner Fakültesi Dergisi, Cilt: 50 - Sayı: 2, 127–133. https://ajindex.com/articles/445285

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