The role of Branhamella ovis, Mycoplasma conjunctivae and Chlamydia psittaci in conjunctivitis of sheep. 1994

G J Dagnall
Royal Veterinary College, Department of Animal Health, Potters Bar, Hertfordshire.

Smooth (S) and rough (R) types of Branhamella ovis were used alone and in conjunction with Mycoplasma conjunctivae and Chlamydia psittaci in attempts to produce conjunctivitis in lambs. This was only successful with one S-type previously isolated from a clinical case of conjunctivitis. In experimental mixed infection, B. ovis contributed to the severity of ovine keratoconjunctivitis attributable to infection with Mycoplasma conjunctivae. When B. ovis and C. psittaci were inoculated into the conjunctival sac mild conjunctivitis was produced but C. psittaci could not be re-isolated.

UI MeSH Term Description Entries
D007639 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. Infectious Keratoconjunctivitis,Infectious Keratoconjunctivitides,Keratoconjunctivitides, Infectious
D009174 Mycoplasma A genus of gram-negative, mostly facultatively anaerobic bacteria in the family MYCOPLASMATACEAE. The cells are bounded by a PLASMA MEMBRANE and lack a true CELL WALL. Its organisms are pathogens found on the MUCOUS MEMBRANES of humans, ANIMALS, and BIRDS. Eperythrozoon,Haemobartonella,Mycoplasma putrefaciens,PPLO,Pleuropneumonia-Like Organisms,Pleuropneumonia Like Organisms
D009175 Mycoplasma Infections Infections with species of the genus MYCOPLASMA. Eperythrozoonosis,Infections, Mycoplasma,Eperythrozoonoses,Infection, Mycoplasma,Mycoplasma Infection
D009346 Neisseriaceae A family of gram-negative, parasitic bacteria including several important pathogens of man.
D009956 Psittacosis Infection with CHLAMYDOPHILA PSITTACI (formerly Chlamydia psittaci), transmitted to humans by inhalation of dust-borne contaminated nasal secretions or excreta of infected BIRDS. This infection results in a febrile illness characterized by PNEUMONITIS and systemic manifestations. Ornithosis,Ornithoses,Psittacoses
D002691 Chlamydophila psittaci A genus of CHLAMYDOPHILA infecting primarily birds. It contains eight known serovars, some of which infect more than one type of host, including humans. Chlamydia psittaci
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012756 Sheep Any of the ruminant mammals with curved horns in the genus Ovis, family Bovidae. They possess lachrymal grooves and interdigital glands, which are absent in GOATS. Ovis,Sheep, Dall,Dall Sheep,Ovis dalli
D012757 Sheep Diseases Diseases of domestic and mountain sheep of the genus Ovis. Ovine Diseases,Disease, Ovine,Disease, Sheep,Diseases, Ovine,Diseases, Sheep,Ovine Disease,Sheep Disease
D016870 Neisseriaceae Infections Infections with bacteria of the family NEISSERIACEAE. Infections, Neisseriaceae,Infection, Neisseriaceae,Neisseriaceae Infection

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