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Corynebacterium equi in cattle and pigs

M D Mutimer, J B Woolcock

    Tijdschrift Voor Diergeneeskunde
    |January 15, 1980
    PubMed
    Summary

    Corynebacterium equi was detected in 35% of pig lymph nodes and 35% of pig fecal samples. The bacteria was not found in cattle lymph nodes but was present in 50% of cattle fecal samples.

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    Area of Science:

    • Veterinary Microbiology
    • Bacterial Pathogenesis
    • Zoonotic Disease Research

    Background:

    • Corynebacterium equi, now known as Rhodococcus equi, is an important pathogen in foals.
    • Understanding its prevalence in other species is crucial for disease control and public health.

    Purpose of the Study:

    • To investigate the presence and prevalence of Corynebacterium equi in porcine and bovine populations.
    • To determine the shedding patterns of C. equi in faecal samples from these animals.

    Main Methods:

    • Bacteriological examination of cervical lymph nodes from pigs.
    • Examination of retropharyngeal and submandibular lymph nodes from cattle.
    • Analysis of faecal samples from both pigs and cattle for C. equi.

    Main Results:

    • Corynebacterium equi was identified in 35% of examined porcine cervical lymph nodes (19/54).
    • The organism was not detected in any bovine retropharyngeal or submandibular lymph nodes (0/54).
    • C. equi was recovered from 35% of porcine faecal samples (11/31) and 50% of bovine faecal samples (15/30).

    Conclusions:

    • Corynebacterium equi is prevalent in the examined pig population, particularly in lymph nodes and faeces.
    • While not found in cattle lymph nodes, C. equi shedding in cattle faeces suggests potential environmental or other transmission routes.
    • Further research is needed to understand the implications of C. equi presence in these animal populations.

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