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Vaccination-related anthrax in three llamas
M E Cartwright1, A E McChesney, R L Jones
1Diagnostic Laboratory, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins 80523.
Journal of the American Veterinary Medical Association
|September 15, 1987
Summary
Two young llamas died after receiving an anthrax vaccine. Concurrent use of other medications may have increased the vaccine
Area of Science:
- Veterinary Medicine
- Immunology
- Microbiology
Background:
- Anthrax is a serious infectious disease caused by Bacillus anthracis.
- Vaccination is a key strategy for anthrax prevention in livestock.
- The Sterne strain vaccine is commonly used in animals.
Purpose of the Study:
- To report a case of fatal disease in young llamas following anthrax vaccination.
- To investigate potential factors contributing to vaccine-induced mortality in llamas.
Main Methods:
- Case report of two llama calves that died post-vaccination.
- Review of vaccination history and concurrent treatments administered.
Main Results:
- Llama calves died three days after Sterne strain anthrax vaccine inoculation.
- Concurrent administration of ivermectin and other biologics was noted.
- The Sterne strain vaccine may have induced fatal disease in young llamas.
Conclusions:
- The Sterne strain anthrax vaccine can cause fatal disease in young llamas.
- Extreme caution is advised when vaccinating young llamas.
- Use of the vaccine in llamas should be reserved for high-risk situations.