Search tips
Search criteria 


Logo of compmedJournal Web siteSee also archive of Canadian Journal of Comparative MedicineNow Published as Canadian Journal of Veterinary ResearchFormerly published as Canadian Journal of Comparative Medicine and Veterinary Science. 1940 to 1968.
Can J Comp Med. 1981 July; 45(3): 233–238.
PMCID: PMC1320213

The genital Mycoplasma and Ureaplasma flora of healthy and diseased dogs.


The genital mycoplasma and ureaplasma flora was compared in 136 dogs with varied reproductive histories. Mycoplasmas were recovered from 88% of vulvovaginal swabs, 85% preputial swabs and 72% semen samples. Isolation rates were slightly higher from dogs that were infertile or had evidence of genital disease but the differences from those that were fertile or clinically normal were statistically significant only in the male. Ureaplasmas were recovered from half the females sampled. Higher, but not statistically significant isolation rates (75%) were made from infertile females with purulent vulvar discharge versus those that were clinically normal and fertile (40%). In the male dog there was a significantly higher incidence of ureaplasmas in the prepuce of infertile animals (69%) than those that were fertile (0%) (p less than or equal to 0.05). Semen isolations although not significantly higher in infertile males, were all made from ejaculates, with subnormal motility, low sperm counts and/or a high percentage of midpiece and tail abnormalities (bent or tightly coiled).

Full text

Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (917K), or click on a page image below to browse page by page. Links to PubMed are also available for Selected References.

Selected References

These references are in PubMed. This may not be the complete list of references from this article.
  • Bruchim A, Lutsky I, Rosendal S. Isolation of mycoplasmas from the canine genital tract: a survey of 108 healthy dogs. Res Vet Sci. 1978 Sep;25(2):243–245. [PubMed]
  • Doig PA, Ruhnke HL, MacKay AL, Palmer NC. Bovine granular vulvitis associated with ureaplasma infection. Can Vet J. 1979 Apr;20(4):89–94. [PMC free article] [PubMed]
  • Doig PA, Ruhnke HL, Palmer NC. Experimental bovine genital ureaplasmosis. I. Granular vulvitis following vulvar inoculation. Can J Comp Med. 1980 Jul;44(3):252–258. [PMC free article] [PubMed]
  • Doig PA, Ruhnke HL, Palmer NC. Experimental bovine genital ureaplasmosis. II. Granular vulvitis, endometritis and salpingitis following uterine inoculation. Can J Comp Med. 1980 Jul;44(3):259–266. [PMC free article] [PubMed]
  • EDWARD DG, FITZGERALD WA. The isolation of organisms of the pleuropneumonia group from dogs. J Gen Microbiol. 1951 Aug;5(3):566–575. [PubMed]
  • Kotani H, Ogata M. Isolation and serological grouping of ureaplasmas from dogs. Nihon Juigaku Zasshi. 1979 Dec;41(6):639–646. [PubMed]
  • Ruhnke HL, Doig PA, MacKay AL, Gagnon A, Kierstead M. Isolation of Ureaplasma from bovine granular vulvitis. Can J Comp Med. 1978 Apr;42(2):151–155. [PMC free article] [PubMed]
  • Shepard MC, Lunceford CD. Differential agar medium (A7) for identification of Ureaplasma urealyticum (human T mycoplasmas) in primary cultures of clinical material. J Clin Microbiol. 1976 Jun;3(6):613–625. [PMC free article] [PubMed]
  • Taylor-Robinson D, Martin-Bourgon C, Watanabe T, Addey JP. Isolation of T-mycoplasmas from dogs and squirrel monkeys: biological and serological comparison with those isolated from man and cattle. J Gen Microbiol. 1971 Sep;68(1):97–107. [PubMed]

Articles from Canadian Journal of Comparative Medicine are provided here courtesy of Canadian Veterinary Medical Association