keratoconjunctivitis, infectious
Infectious diseases of cattle, sheep, and goats, characterized by blepharospasm, lacrimation, conjunctivitis, and varying degrees of corneal opacity and ulceration. In cattle the causative agent is moraxella (moraxella) bovis; in sheep, mycoplasma; rickettsia; chlamydia; or acholeplasma; in goats, rickettsia.