Related Experiment Videos
Comparison of three sampling methods for the diagnosis of genital vibriosis in the bull
Abstract:
Three different methods of collecting preputial material for bacteriological examination were compared using 3 bulls infected with Campylobacter fetus subsp. fetus. The first method utilised a specially designed instrument to scrape the preputial and penile mucosa, int he second method plastic pipettes were used to aspirate material and the third method involved washing the preputial cavity with sterile peptone water. Bacteriological examination of the samples showed conclusively that scraping was the method of choice because more C. fetus positive samples were identified and there was less interference from contaminating organisms.
Insights
Scraping preputial material is the best method for detecting Campylobacter fetus subsp. fetus in bulls. This technique yielded more positive samples and reduced contamination compared to aspiration or washing methods.
Area of Science:
- Veterinary Microbiology
- Bovine Infectious Diseases
Background:
- Campylobacter fetus subsp. fetus is a significant pathogen in cattle.
- Accurate sample collection is crucial for diagnosing bovine infections.
Purpose of the Study:
- To compare three distinct methods for collecting preputial samples for bacteriological analysis.
- To determine the most effective method for isolating Campylobacter fetus subsp. fetus.
Main Methods:
- Comparison of three preputial sample collection techniques: scraping, aspiration, and washing.
- Bacteriological examination of samples from bulls infected with Campylobacter fetus subsp. fetus.
Main Results:
- The scraping method identified a higher number of Campylobacter fetus positive samples.
- The scraping method resulted in less interference from contaminating organisms.
- Aspiration and washing methods were less effective in sample collection.
Conclusions:
- Scraping preputial and penile mucosa is the superior method for bacteriological diagnosis of Campylobacter fetus subsp. fetus in bulls.
- This method enhances diagnostic accuracy by maximizing pathogen detection and minimizing contamination.