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BVD control in Europe: current status and perspectives
Volker Moennig1, Hans Houe, Ann Lindberg
1Institute of Virology, School of Veterinary Medicine, D-30559 Hannover, Germany. volker.moennig@tiho-hannover.de
Animal Health Research Reviews
|September 17, 2005
Summary
Bovine viral diarrhea virus (BVDV) control has improved with better diagnostics and eradication strategies. Scandinavian countries successfully use test-and-removal policies, offering a model for other European nations, though compromises like vaccination may be needed.
Area of Science:
- Veterinary Virology
- Animal Health Economics
- Disease Control Strategies
Background:
- The economic impact of Bovine Viral Diarrhea Virus (BVDV) was historically underestimated.
- Limited diagnostic tools and control procedures hindered effective management of BVDV infections.
Purpose of the Study:
- To review advancements in BVDV diagnostics and control strategies.
- To evaluate the success of eradication programs, particularly in Scandinavian countries.
- To propose adaptable control strategies for European countries.
Main Methods:
- Review of diagnostic improvements in serology and virology over the last 15 years.
- Analysis of eradication strategies, including test-and-removal policies for persistently infected (PI) animals and movement restrictions.
- Examination of biosecurity measures and vaccination as components of control programs.
Main Results:
- Significant improvements in laboratory diagnosis of BVDV infections.
- Successful BVDV eradication in Scandinavian countries through strict test-and-removal policies.
- Identification of potential challenges and alternative strategies for BVDV control in other European regions.
Conclusions:
- The Scandinavian BVDV control model, based on biosecurity, PI animal removal, and herd monitoring, has proven effective.
- Adaptable strategies combining test-and-removal with vaccination may be necessary for widespread European adoption.
- Biosecurity is crucial for the coexistence of diverse BVDV control programs across Europe and for international trade.
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