2013
DOI: 10.1186/1746-6148-9-49
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Host adapted intramammary infections in pregnant heifers which were co-housed and reared on fresh milk as calves

Abstract: BackgroundHeifers can calve down with intramammary infections (IMI) and udder damage. This will have a negative impact on their longevity, future milk yield and financial return. Co-housed pre-weaned calves that are fed fresh milk have the opportunity to suckle each other’s teats and may infect udders of fellow heifer calves with pathogens present in milk. The prevalence of IMI in pregnant heifers in South Africa (SA) which were co-housed and reared on fresh milk as calves, is not known. Quarter secretion samp… Show more

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Cited by 6 publications
(3 citation statements)
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“…In this study, a higher prevalence (1.7%; CI: 1.3-2.3) of S. aureus was observed as compared to 0.9% reported by Petzer et al . [ 26 ] in cow milk samples from dairy cattle in South Africa. However, the prevalence of S. aureus observed in this study is lower than 2.3% and 25.1% which was reported in earlier studies conducted on dairy cattle in South Africa by both Fosgate et al .…”
Section: Discussionmentioning
confidence: 99%
“…In this study, a higher prevalence (1.7%; CI: 1.3-2.3) of S. aureus was observed as compared to 0.9% reported by Petzer et al . [ 26 ] in cow milk samples from dairy cattle in South Africa. However, the prevalence of S. aureus observed in this study is lower than 2.3% and 25.1% which was reported in earlier studies conducted on dairy cattle in South Africa by both Fosgate et al .…”
Section: Discussionmentioning
confidence: 99%
“…Additional tests included a API staph kit (BioMerieux, Honeydew, South Africa) as described by Petzer et al . (). Strains identified as CNS were subcultured to obtain single colonies in pure culture.…”
Section: Methodsmentioning
confidence: 97%
“…Coagulase-negative isolates resistant to methicillin were subjected to identification to the species level using the API-Staph Kit (BioMerieux, P.O. Box 4328, Honeydew, 2040) as described by Petzer et al [18].…”
Section: Isolation and Identificationmentioning
confidence: 99%