Study of the role of Chlamydia, Mycoplasma, Ureaplasma and other microaerophilic and aerobic bacteria in uterine infections of mares with reproductive disorders.
Abstract: In six healthy mares and 24 mares showing reproductive disorders swab samples were taken from the fossa clitoridis to isolate Taylorella equigenitalis, and from the uterus to isolate mycoplasmas, ureaplasmas and other aerobic bacteria. Swab samples were also taken from the uterus for Chlamydia antigen ELISA and Chlamydia PCR studies. The uterus of 27 mares was examined cytologically, and biopsy samples were taken from the endometrium for histological examinations and for immunohistochemical examinations aimed at the detection of chlamydiae. T. equigenitalis, mycoplasmas, ureaplasmas and chlamydiae could not be detected from any of the mares examined. Aerobic facultative pathogenic bacteria were isolated from mares with endometritis in four cases. In 18 out of 22 mares with endometritis (82%) no infective agents could be demonstrated. Further studies are needed to elucidate the relative importance of non-infectious causes of endometritis and of anaerobic bacteria often detectable in the uterus in the aetiology of the reproductive disorders observed.
Publication Date: 2003-04-12 PubMed ID: 12688125DOI: 10.1556/AVet.51.2003.1.4Google Scholar: Lookup
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- Journal Article
- Research Support
- Non-U.S. Gov't
Summary
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The study examines the correlation between certain bacteria and reproductive disorders in mares. The researchers evaluated samples to identify specific bacterial presence, however, these bacteria could not be detected. It was observed that aerobic facultative bacteria were present in some cases of endometritis, but most cases did not show any infectious agents. The study indicates that more research is needed to understand the causes of these reproductive malfunctions.
Bacterial Species Studied
- The study attempts to identify the presence of the bacteria Taylorella equigenitalis, mycoplasmas, ureaplasmas and chlamydiae in mares showing reproductive disorders. These bacteria were chosen due to their known or suspected role in fertility issues.
- Swab samples were taken from different areas of the mares’ reproductive system in order to isolate these bacteria.
Findings and Importance
- Interestingly, the specific bacteria being investigated could not be isolated from any of the mares examined, indicating these might not be contributing to the reproductive disorders observed.
- However, aerobic facultative bacteria were found in four cases of endometritis, a common reproductive disorder in mares. This might indicate a correlation between this bacterial group and the disease.
- Yet, most mares with endometritis showed no presence of infectious agents, which points to the possibility of non-infectious causes in the pathogenesis of this condition.
Implication and Future Studies
- The findings challenge the assumption that certain microorganisms invariably cause reproductive disorders in mares, as they could not be detected in the mares examined in this study.
- This calls for more in-depth studies to understand the actual causes of these disorders, whether they are infectious or non-infectious, and what role anaerobic bacteria – often found in the uterus – play in these malfunctions.
Cite This Article
APA
Szeredi L, Tenk M, Schiller I, Révész T.
(2003).
Study of the role of Chlamydia, Mycoplasma, Ureaplasma and other microaerophilic and aerobic bacteria in uterine infections of mares with reproductive disorders.
Acta Vet Hung, 51(1), 45-52.
https://doi.org/10.1556/AVet.51.2003.1.4 Publication
Researcher Affiliations
- Central Veterinary Institute, H-1149 Budapest, Tábornok u. 2, Hungary. szeredil@oai.hu
MeSH Terms
- Animals
- Antigens, Bacterial / immunology
- Bacteria, Aerobic / isolation & purification
- Case-Control Studies
- Chlamydia / genetics
- Chlamydia / immunology
- Chlamydia / isolation & purification
- DNA, Bacterial / genetics
- Endometritis / microbiology
- Endometritis / veterinary
- Enzyme-Linked Immunosorbent Assay / veterinary
- Female
- Horse Diseases / microbiology
- Horses / microbiology
- Immunohistochemistry
- Mycoplasma / isolation & purification
- Polymerase Chain Reaction / veterinary
- Taylorella equigenitalis / isolation & purification
- Ureaplasma / isolation & purification
- Uterus / cytology
- Uterus / microbiology
Citations
This article has been cited 3 times.- Tyrnenopoulou P, Fthenakis GC. Clinical Aspects of Bacterial Distribution and Antibiotic Resistance in the Reproductive System of Equids. Antibiotics (Basel) 2023 Mar 28;12(4).
- Mohseni Moghadam N, Kheirkhah B, Mirshekari TR, Fasihi Harandi M, Tafsiri E. Isolation and molecular identification of mycoplasma genitalium from the secretion of genital tract in infertile male and female. Iran J Reprod Med 2014 Sep;12(9):601-8.
- Szeredi L, Hotzel H, Sachse K. High prevalence of chlamydial (Chlamydophila psittaci) infection in fetal membranes of aborted equine fetuses. Vet Res Commun 2005 Mar;29 Suppl 1:37-49.
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