Dissemination of Salmonella enterica subsp. enterica Serovar Typhimurium var. Copenhagen clonal types through a contract heifer-raising operation |
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Authors: | Hegde Narasimha V Cook Michelle L Wolfgang David R Love Brenda C Maddox Carol C Jayarao Bhushan M |
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Affiliation: | Department of Veterinary Science, Pennsylvania State University, University Park, PA 16802, USA. |
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Abstract: | Salmonella enterica subsp. enterica serovar Typhimurium var. Copenhagen isolates from a heifer-raising operation and from 11 dairy herds that had their calves contracted to the heifer-raising operation were examined for their phenotypic and genotypic characteristics. Results of the study showed that the heifer-raising operation could serve as a clearinghouse for Salmonella serovar Typhimurium var. Copenhagen and perhaps other Salmonella serotypes. |
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