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Bilateral seminal vesiculitis and ampullitis in a stallion
T L Blanchard1, D D Varner, J P Hurtgen
1Section of Reproductive Studies, School of Veterinary Medicine, University of Pennsylvania, Kennett Square 19348.
Journal of the American Veterinary Medical Association
|February 15, 1988
Summary
A Thoroughbred stallion with accessory sex gland infection and Pseudomonas aeruginosa showed no improvement with antibiotics. Antibiotic levels in seminal plasma were too low to combat the infection effectively.
Area of Science:
- Veterinary Medicine
- Reproductive Biology
- Microbiology
Background:
- Venereal disease in Thoroughbred stallions can impact reproductive health.
- Accessory sex gland infections pose treatment challenges.
- Pseudomonas aeruginosa is a potential cause of infertility in stallions.
Observation:
- A stallion presented with suspected venereal disease, exhibiting purulent debris, blood, and Pseudomonas aeruginosa in ejaculates.
- The infection was localized to the accessory sex glands.
- Despite treatment with gentamicin sulfate, tobramycin, and amikacin sulfate, the infection persisted.
Findings:
- Antibiotic treatment failed to eliminate Pseudomonas aeruginosa from the stallion's ejaculates.
- Seminal plasma showed negligible antibacterial activity when treated with gentamicin sulfate.
- Low diffusion of gentamicin across accessory sex gland mucosal cells into seminal plasma was observed.
Implications:
- Standard antibiotic treatments may be ineffective for accessory sex gland infections in stallions due to poor drug penetration.
- Further research is needed to develop effective treatment strategies for stallion reproductive tract infections.
- Understanding drug pharmacokinetics in the equine reproductive tract is crucial for successful therapeutic interventions.