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Veterinary microbiology2011; 156(3-4); 395-402; doi: 10.1016/j.vetmic.2011.11.023

Clostridium perfringens type C and Clostridium difficile co-infection in foals.

Abstract: Clostridium perfringens type C is one of the most important agents of enteric disease in newborn foals. Clostridium difficile is now recognized as an important cause of enterocolitis in horses of all ages. While infections by C. perfringens type C or C. difficile are frequently seen, we are not aware of any report describing combined infection by these two microorganisms in foals. We present here five cases of foal enterocolitis associated with C. difficile and C. perfringens type C infection. Five foals between one and seven days of age were submitted for necropsy examination to the California Animal Health and Food Safety Laboratory. The five animals had a clinical history of acute hemorrhagic diarrhea followed by death and none had received antimicrobials or been hospitalized. Postmortem examination revealed hemorrhagic and necrotizing entero-typhlo-colitis. Histologically, the mucosa of the small intestine and colon presented diffuse necrosis and hemorrhage and it was often covered by a pseudomembrane. Thrombosis was observed in submucosal and/or mucosal vessels. Immunohistochemistry of intestinal sections of all foals showed that many large bacilli in the sections were C. perfringens. C. perfringens beta toxin was detected by ELISA in intestinal content of all animals and C. difficile toxin A/B was detected in intestinal content of three animals. C. perfringens (identified as type C by PCR) was isolated from the intestinal content of three foals. C. difficile (typed as A(+)/B(+) by PCR) was isolated from the intestinal content in 3 out of the 5 cases. This report suggests a possible synergism of C. perfringens type C and C. difficile in foal enterocolitis. Because none of the foals had received antibiotic therapy, the predisposing factor, if any, for the C. difficile infection remains undetermined; it is possible that the C. perfringens infection acted as a predisposing factor for C. difficile and/or vice versa. This report also stresses the need to perform a complete diagnostic workup in all cases of foal digestive disease.
Publication Date: 2011-12-01 PubMed ID: 22177970DOI: 10.1016/j.vetmic.2011.11.023Google Scholar: Lookup
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  • Journal Article

Summary

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This research studied the co-infection of Clostridium perfringens type C and Clostridium difficile in foals. It suggests a potential synergy between the two bacteria in causing sickness, highlights the need for comprehensive diagnosis in foal digestive diseases, and challenges previous theories about the cause of C. difficile infection.

About the Research

  • The study came about due to the lack of reports about combined infection by two bacteria types, Clostridium perfringens type C and Clostridium difficile, in foals, young horses.
  • The researchers examined five cases of foal enterocolitis that were associated with the two types of bacteria. The foals, aged between one and seven days, had a history of acute hemorrhagic diarrhea and had not received antibiotics or been hospitalized.

Findings from the Postmortem Examination

  • The postmortem examination revealed the foals all suffered from hemorrhagic and necrotizing entero-typhlo-colitis, a severe intestinal disease, with diffuse necrosis and hemorrhage in the small intestine and colon mucosa.
  • Thrombosis was observed in submucosal and/or mucosal vessels, and many large bacilli in the intestinal sections were found to be C. perfringens.

Identification of Bacteria Using Various Techniques

  • In addition to identifying the bacteria histologically, the researchers used the ELISA method to detect the presence of C. perfringens beta toxin in the intestinal content of all animals and the C. difficile toxin A/B in three animals.
  • They used PCR for bacterial identification and found C. perfringens type C in three foals and C. difficile typed as A(+)/B(+) in three of the five cases.

Implications of the Findings

  • The findings suggest a possible synergy of C. perfringens type C and C. difficile in foal enterocolitis. This means C. difficile and C. perfringens type C could be working together to cause this specific form of inflamed and damaged intestines in foals.
  • This research challenges the common theory about the cause of C. difficile, as none of the foals had received antibiotic therapy. It posits that the C. perfringens infection could be a predisposing factor for C. difficile or vice versa.
  • The study also emphasizes the need for a complete diagnostic workup in all cases of foal digestive diseases. Without it, the presence of either or both bacteria could be missed, leading to incomplete or ineffective treatment.

Cite This Article

APA
Uzal FA, Diab SS, Blanchard P, Moore J, Anthenill L, Shahriar F, Garcia JP, Songer JG. (2011). Clostridium perfringens type C and Clostridium difficile co-infection in foals. Vet Microbiol, 156(3-4), 395-402. https://doi.org/10.1016/j.vetmic.2011.11.023

Publication

ISSN: 1873-2542
NlmUniqueID: 7705469
Country: Netherlands
Language: English
Volume: 156
Issue: 3-4
Pages: 395-402

Researcher Affiliations

Uzal, F A
  • California Animal Health and Food Safety Laboratory, San Bernardino Branch, UC Davis, CA, USA. fuzal@cahfs.ucdavis.edu
Diab, S S
    Blanchard, P
      Moore, J
        Anthenill, L
          Shahriar, F
            Garcia, J P
              Songer, J G

                MeSH Terms

                • Animals
                • California
                • Clostridioides difficile / isolation & purification
                • Clostridium Infections / diagnosis
                • Clostridium Infections / microbiology
                • Clostridium Infections / pathology
                • Clostridium Infections / veterinary
                • Clostridium perfringens / isolation & purification
                • Coinfection
                • Diarrhea / microbiology
                • Diarrhea / veterinary
                • Enterocolitis / diagnosis
                • Enterocolitis / microbiology
                • Enterocolitis / pathology
                • Enterocolitis / veterinary
                • Female
                • Horse Diseases / diagnosis
                • Horse Diseases / microbiology
                • Horse Diseases / pathology
                • Horses / microbiology
                • Intestine, Small / pathology
                • Male

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