Swine conjunctivitis outbreaks associated with Mycoplasma hyorhinis

New PhD-graduate Talita Resende described in this open-access publication from the Journal of Veterinary Diagnostic Investigation conjunctivitis cases in 3 wean-to-finish barns. After extensive investigation, Mycoplasma hyorhinis was identified as a causative agent.

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Science page: Mycoplasma hyorhinis and conjunctivitis in pigs

This is our new Friday rubric: every week a new Science Page from the Swine Health Monitoring Project. The previous editions of the science page are available on our website.

Key points from this week’s edition:

Conjunctivitis in pigs has been associated with various infectious agents, among them, Mycoplasma hyorhinis.
We investigated various outbreaks of conjunctivitis in pigs without apparent non-infectious predisposing factors.
Eye swabs and tissues from animals with conjunctivitis and non-affected contact pen mates were positive for M.hyorhinis by PCR and culture.
The exact role of Mycoplasmas in the development of conjunctivitis in pigs is still unclear.
The full report with pictures of the lesions is now available.