Prevalence of netF-positive Clostridium perfringens in foals in southwestern Ontario.
Abstract: NetF-producing Clostridium perfringens have recently been identified as a cause of necrotizing enteritis in neonatal foals, but little is known about its prevalence in clinically normal foals. Foals (n = 88) ranging in age from < 1 wk to 2 to 4 mo (median age 2 to 4 wk) on 8 horse-breeding farms in Ontario were examined on 1 or 2 occasions for the presence of C. perfringens. Of the foals that tested positive, 5 isolates (n = 675) were examined for the netF and enterotoxin (cpe) genes. Colonization by C. perfringens was most marked in foals < 1 wk of age [4.85 ± 2.70 log10 colony-forming units (CFU)] and declined markedly over time (1.23 ± 1.06 log10 CFU at 1 to 2 mo of age). Only 2 isolates possessed the cpe gene and none possessed netF. We concluded that netF-positive C. perfringens does not colonize young foals with any detectable frequency in Ontario and this organism is not likely to be adapted to the intestine of the horse. Les isolats de producteurs de NetF ont récemment été identifiés comme une cause d’entérite nécrotique chez les poulains nouveau-nés, mais peu de choses sont connues sur leur prévalence chez des poulains cliniquement normaux. Des poulains ( = 88) variant en âge entre < 1 semaine jusqu’à 2 à 4 mois (âge médian 2 à 4 semaines) provenant de 8 fermes d’élevage en Ontario ont été examinés à 1 ou 2 occasions pour la présence de Des poulains qui se sont avérés positifs, 5 isolats ( = 675) ont été examinés pour la présence des gènes et de l’entérotoxine . La colonisation par était la plus marquée chez les poulains âgés de < 1 semaine [4,85 ± 2,70 log unités formatrices de colonies (UFC)] et diminuait de façon marquée en fonction du temps (1,23 ± 1,06 log UFC à 1 à 2 mois d’âge). Uniquement deux isolats possédaient le gène et aucun ne possédait le gène Nous avons conclu que les isolats de -positif ne colonisent pas les jeunes poulains avec une fréquence détectable en Ontario et que ce microorganisme est peu susceptible de s’adapter à l’intestin du cheval.(Traduit par Docteur Serge Messier).
Publication Date: 2016-07-14 PubMed ID: 27408339PubMed Central: PMC4924560DOI: 10.1371/journal.pone.0122684Google Scholar: Lookup
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- Journal Article
Summary
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The research aimed to determine the prevalence of NetF-producing Clostridium perfringens in healthy foals in southwestern Ontario. The study’s findings suggest that this bacteria, which can cause necrotizing enteritis in neonatal foals, does not noticeably colonize young foals in this region, leading to the conclusion that this organism may not be well-suited to the horse’s intestinal environment.
Research Method
- The study analyzed 88 foals from 8 horse-breeding farms in Ontario. Their ages varied from less than a week old to 2 to 4 months.
- These foals were tested for the presence of C. perfringens, a type of bacteria.
- Of the foals that tested positive for C. perfringens, 5 samples (or isolates) were further investigated for the presence of the netF and enterotoxin (cpe) genes.
Results Overview
- The research showed the highest colonization by C. perfringens in foals less than a week old and the presence of this bacteria decreased significantly over time.
- Only two of the test samples had the cpe gene, and none had the netF gene.
Conclusions
- According to the results, netF-positive C. perfringens does not colonize young foals in Ontario with any detectable regularity.
- The paper concluded that this bacteria is unlikely to be adapted to the equine intestine.
Implications
- The results of this research have implications for understanding the causes of necrotizing enteritis in neonatal foals, a condition associated with the netF gene of C. perfringens.
- The low prevalence of this gene in foals in Ontario may suggest that other factors or organisms could be responsible for this condition in this region’s equine population.
Cite This Article
APA
Finley A, Gohari IM, Parreira VR, Abrahams M, Staempfli HR, Prescott JF.
(2016).
Prevalence of netF-positive Clostridium perfringens in foals in southwestern Ontario.
Can J Vet Res, 80(3), 242-244.
https://doi.org/10.1371/journal.pone.0122684 Publication
Researcher Affiliations
- Department of Pathobiology (Finley, Mehdizadeh Gohari, Parreira, Prescott), Department of Clinical Studies, University of Guelph, Guelph, Ontario (Abrahams, Staempfli).
- Department of Pathobiology (Finley, Mehdizadeh Gohari, Parreira, Prescott), Department of Clinical Studies, University of Guelph, Guelph, Ontario (Abrahams, Staempfli).
- Department of Pathobiology (Finley, Mehdizadeh Gohari, Parreira, Prescott), Department of Clinical Studies, University of Guelph, Guelph, Ontario (Abrahams, Staempfli).
- Department of Pathobiology (Finley, Mehdizadeh Gohari, Parreira, Prescott), Department of Clinical Studies, University of Guelph, Guelph, Ontario (Abrahams, Staempfli).
- Department of Pathobiology (Finley, Mehdizadeh Gohari, Parreira, Prescott), Department of Clinical Studies, University of Guelph, Guelph, Ontario (Abrahams, Staempfli).
- Department of Pathobiology (Finley, Mehdizadeh Gohari, Parreira, Prescott), Department of Clinical Studies, University of Guelph, Guelph, Ontario (Abrahams, Staempfli).
MeSH Terms
- Animals
- Bacterial Proteins / genetics
- Bacterial Proteins / metabolism
- Carrier State / veterinary
- Clostridium perfringens / classification
- Clostridium perfringens / isolation & purification
- Clostridium perfringens / metabolism
- Feces / microbiology
- Horses / microbiology
- Ontario
References
This article includes 13 references
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Citations
This article has been cited 8 times.- Uzal FA, Arroyo LG, Navarro MA, Gomez DE, Asín J, Henderson E. Bacterial and viral enterocolitis in horses: a review. J Vet Diagn Invest 2022 May;34(3):354-375.
- Magdesian KG, Barnum S, Pusterla N. Fecal PCR testing for detection of Clostridium perfringens and Clostridioides difficile toxin genes and other pathogens in foals with diarrhea: 28 cases. J Vet Diagn Invest 2022 May;34(3):396-401.
- Kopper JJ, Willette JA, Kogan CJ, Seguin A, Bolin SR, Schott HC 2nd. Detection of pathogens in blood or feces of adult horses with enteric disease and association with outcome of colitis. J Vet Intern Med 2021 Sep;35(5):2465-2472.
- Mehdizadeh Gohari I, Unterer S, Whitehead AE, Prescott JF. NetF-producing Clostridium perfringens and its associated diseases in dogs and foals. J Vet Diagn Invest 2020 Mar;32(2):230-238.
- Sindern N, Suchodolski JS, Leutenegger CM, Mehdizadeh Gohari I, Prescott JF, Proksch AL, Mueller RS, Busch K, Unterer S. Prevalence of Clostridium perfringens netE and netF toxin genes in the feces of dogs with acute hemorrhagic diarrhea syndrome. J Vet Intern Med 2019 Jan;33(1):100-105.
- Uzal FA, Navarro MA, Li J, Freedman JC, Shrestha A, McClane BA. Comparative pathogenesis of enteric clostridial infections in humans and animals. Anaerobe 2018 Oct;53:11-20.
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- Haywood LMB, Sheahan BJ. A Review of Epithelial Ion Transporters and Their Roles in Equine Infectious Colitis. Vet Sci 2024 Oct 7;11(10).
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