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TTU Food Sanitation Exam 1 Practice Test

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Which serovar is primarily adapted to the G.I. tract of cattle?
Correct Answer:
S. Dublin
Explanation:
Salmonella serovars vary in their host association, and S. Dublin is known as a cattle-adapted serovar. It colonizes and persists in the bovine gastrointestinal tract and is frequently isolated from cattle, especially dairy herds, which reflects its adaptation to this host. The other serovars are linked to different hosts or broad host ranges: Pullorum primarily affects poultry, Enteritidis is common in poultry and humans, and Typhi is adapted to humans. Therefore, the serovar most adapted to the GI tract of cattle is S. Dublin.

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