The detection of a bovine carrier of Salmonella heidelberg

Abstract
1. Salmonella heidelberg infection in humans was traced to one cow excreting the organism in milk.2. The cow was clinically normal and infection was confined to the right hind-quarter of the udder.3. The affected quarter had numerous haemorrhagic foci but there was no inflammatory response to the infection.4. Histological preparations suggested that Streptococcus uberis was causing a chronic mastitis in all four quarters.

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