Page 323 - Cote clinical veterinary advisor dogs and cats 4th

Brucellosis 138.e5

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BRUCELLOSIS, DOG Geographic distribution of B. canis, clinical cases, and seropositive dogs. A, Reports (including
serosurveys) indicate that the infection is endemic. B, Few clinical cases or outbreaks in kennels have been described.
C, Serosurveys indicate that the seroprevalence is low. (Reprinted with permission from Holst BS, et al: The first case
of Brucella canis in Sweden: background, case report and recommendations from a northern European perspective.
Acta Vet Scand 54:18, 2012.)

Agglutination within 2 minutes

Positive test Negative test
BRUCELLOSIS, DOG Slide agglutination test: positive and negative results.
(Courtesy Zoetis, Inc., Florham Park, NJ.)

BRUCELLOSIS, DOG Semen sample from a male dog infected with B. canis.
Note sperm head-to-head agglutination. (Courtesy Dr. Leland Carmichael, Ithaca,
NY.)

BRUCELLOSIS, DOG A 48-hour culture of B. canis on serum dextrose agar
(SDA) incubated in air under 10% CO 2 at 37°C. B. canis is slow-growing and the
characteristic rough colonies do not appear before 48 hours on solid media. (Image
courtesy of Lorraine Perrett, Animal Health and Veterinary Laboratories Agency
[AHVLA], Weybridge, Surrey, UK [contains public sector information licensed under
the Open Government License v2.0, Crown Copyright]. From Graham EM, et al:
BRUCELLOSIS, DOG D-Tec CB, RSAT, or Card test. (Courtesy Zoetis, Inc., Florham Bacterial reproductive pathogens of cats and dogs. Vet Clin North Am Small Anim
Park, NJ.) Pract 42:561, 2012.)

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