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- Title
Field study on the relationship between teat thickness changes and intramammary infections.
- Authors
Zecconi, Alfonso; Bronzo, Valerio; Piccinini, Renata; Moroni, Paolo; Ruffo, Gianfranco
- Abstract
The aim of this study was to describe the results of teat thickness measurement applied routinely in three commercial dairy herds and to evaluate the influence of machine-induced teat thickness changes on intramammary infection and the frequency of new infection. A total of 1018 fore milk samples and the same number of teat apex measurements have been evaluated. Overall, relative teat thickness changes were normally distributed (mean −0·16%, SD 10·15%), while a specific pattern could be observed within herds. Increases in teat thickness of > 5% were significantly associated with infection and new infection (odds ratio > 1), but the association was not significant when teat thickness decreased by more than 5%. When results were classified according to aetiology, analysis showed that coagulase-negative staphylococcal infections were significantly associated with both increases and decreases in teat thickness numerically greater than 5%.
- Publication
Journal of Dairy Research, 1996, Vol 63, Issue 3, p361
- ISSN
0022-0299
- Publication type
Article
- DOI
10.1017/S0022029900031885