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[The genital microflora in the stallion--microbiological study of presecretion samples from 1972 to 1991]
R Scherbarth1, M Pózvári, T Heilkenbrinker
1Tiergesundheitsamt, Landwirtschaftskammer Hannover.
Abstract:
From 1972 to 1991, presecretion on an average of 183 stallions per year had been examined. Facultatively pathogenic germs were ascertained in 13.5% of the samples. However, the portion showed considerable annual fluctuation, as did the percentage of the different kinds of germs. In most of the cases, only minimal growth had been observed in culture. Except for the total percentage, these results are contradictory to those we found during the examination of cervical swabs of mares. In order to ascertain the importance of the respective results and to render possible a correct interpretation, the constancy of the facultatively pathogenic germs was investigated additionally. It was distinctly dependent on the quantity and--to a lesser extent--on the kind of the germs as well. According to the present results, minimal growth in culture throughout only indicates a temporary colonization of the genitals. These results--except for the indication of CEMO--may be neglected, unless otherwise indicated by clinical findings or by anamnesis.
Insights
Minimal growth of facultative pathogenic germs in stallion presecretion cultures, observed in 13.5% of samples, suggests temporary colonization and may be clinically insignificant unless other factors are present.
Area of Science:
- Veterinary Microbiology
- Equine Reproductive Health
Context:
- Longitudinal study (1972-1991) examining stallion presecretion samples.
- Facultative pathogenic germs identified in 13.5% of samples annually.
- Observed significant annual fluctuations in germ prevalence and types.
Purpose:
- To investigate the significance and constancy of facultative pathogenic germs in stallion presecretion.
- To compare findings with previous studies on mare cervical swabs.
- To establish criteria for interpreting microbiological results in stallions.
Summary:
- Facultative pathogenic germs were found in 13.5% of stallion presecretion samples over 20 years, with minimal growth in most cultures.
- Germ constancy was dependent on germ quantity and type.
- Minimal growth generally indicates temporary colonization and may be disregarded unless clinical signs or history suggest otherwise (excluding CEMO).
Impact:
- Provides crucial insights into the interpretation of microbiological findings in stallions.
- Helps differentiate between transient colonization and significant infections.
- Informs veterinary diagnostics and clinical decision-making in equine reproduction.
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