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1.  Isolation of Mycoplasma mycoides subspecies mycoides from Polyarthritis and Mastitis of Goats in Canada 
The clinical signs, pathomorphological changes, and microbiological findings in Canadian goats infected with Mycoplasma mycoides subspecies mycoides are discussed. The disease affected mainly young goats and was characterized by septicemia and polyarthritis. Mastitis followed by septicemia was seen in two mature goats. The diagnosis was made by culture and identification of the mycoplasma. Infected goats without clinical signs were identified by cultural and serological (complement fixation) techniques. Healthy carriers are presumably able to transmit the infection and may have brought the disease to Canada.
PMCID: PMC1790251  PMID: 17422225
2.  Bovine Granular Vulvitis Associated with Ureaplasma Infection 
A granular vulvitis syndrome associated with ureaplasma infection was first recognized in Ontario dairy herds in 1972.
The acute form of the disease was characterized by a purulent vulvar discharge, an inflamed hyperemic vulvar mucosa and varying degrees of granularity. In the chronic form, there was an absence of a purulent discharge and a gradual decline in the severity of the hyperemia and granularity. Epithelial inclusion cysts were observed in the vulvar epithelium of approximately 10% of affected cows.
A seasonal variation in the incidence of the disease was observed. Herd morbidities during the summer months reached a low of 37% and increased to 75% during the winter months with constant housing.
When widespread in herds, the acute form of the disease had a significant effect on fertility. In four herds examined, first service conceptions dropped on average by 27%.
The chronic form of the disease had a less detrimental effect on fertility with first service conceptions being reduced on average by 13%.
Intrauterine infusions of a tetracycline 24 hours postbreeding were found to be of value in improving conception rates in acutely affected herds.
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PMCID: PMC1789526  PMID: 427710
4.  Mycoplasma arthritis in calves. 
The Canadian Veterinary Journal  1971;12(9):183-185.
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PMCID: PMC1695434  PMID: 5151524

Results 1-5 (5)