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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Experimental infection of dogs with Brucella abortus.

Thirteen female dogs, which included eight principals that were fed approximately 4.4 X 10(10) colony forming units (cfu) of Brucella abortus strain 2308 and five sentinels that were housed with the principals, were examined for serologic responses, blood culture, tissue distribution of the organisms and pathologic lesions. Serum samples from each dog were tested on the day of exposure and on post exposure days 5, 7, 10, 14, 21, 28, 35, 42 and 49 for antibodies to B. abortus, using the brucellosis card (BC), standard tube agglutination (STA), 2-mercaptoethanol (ME) and rivanol (RIV) tests. Antibodies were detected in the principals by day 5 and increased through day 21. The STA test was the first to become positive, followed by the BC, ME and RIV tests. After 28 days, the serologic titers receded. From day 14 through day 42, all principals had greater than or equal to 1:50 STA titers. On day 49, seven principals had greater than or equal to 1:50 STA titers and one had a 1:25 STA titer. The sentinels were negative for all tests, except sentinel number 9 which had STA titers ranging from 1:25 to 1:50 on day 14 through day 35. Blood cultures that were obtained from each principal at intervals from one hour after exposure through 49 days were negative. Brucella abortus was isolated from various lymph nodes of the eight principals and from sentinel number 9, which was apparently infected by ingesting brucellae contaminated feces from the principals. Microscopic lesions were not observed in the culture-positive tissues examined.[1]


  1. Experimental infection of dogs with Brucella abortus. Pidgeon, G.L., Scanlan, C.M., Miller, W.R., Mayer, T.W. The Cornell veterinarian. (1987) [Pubmed]
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