Understanding Heifer Mastitis
First lactation heifers are the future of any dairy herd and many producers assume them to be free of intramammary infections...
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Impact of Intramammary Infections caused by Coagulase-Negative Staphylococci
Because mastitis caused by coagulase-negative staphylococci (CNS) is usually characterized by mild elevations of somatic cell counts (SCC) and...
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Dry period hygiene is important to keeping infection rates low during lactation
Inflammatory response to intramammary infection (IMI) leads to high somatic cell counts. In fact, somatic cell counts (SCC) can be used to monitor or perhaps predict early infection...
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Evidence for a specific subset of Escherichia coli bacteria that cause mastitis
Pathogenic
Escherichia coli can be classified into several pathotypes, and it is believed that each pathotype carries one or more specific genes that typically involve a number of virulence factors...
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Phenotypic and genotypic antimicrobial resistance patterns of Escherichia coli isolated from dairy cows with mastitis
Genetic variability was high among 135 isolates of
Escherichia coli isolated from quarters of dairy cows with mastitis in two New York state Holstein dairy herds. Identical patterns of pulsed field gel electrophoresis (PFGE) results were only seen in isolates from the same quarter of the same cow at different stages of lactation...
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