Protocols for Evaluating Efficacy of Postmilking Teat Dips
Open Access
- 1 September 1990
- journal article
- research article
- Published by American Dairy Science Association in Journal of Dairy Science
- Vol. 73 (9) , 2580-2585
- https://doi.org/10.3168/jds.s0022-0302(90)78944-8
Abstract
Protocols recommended by the National Mastitis Council for determining efficacy of experimental postmilking teat dips in preventing intramammary infections are detailed. Three protocols are designed 1) to determine efficacy of a teat dip in preventing new intramammary infections following experimental exposure of teats to mastitis pathogens, 2) to determine efficacy of a teat dip in preventing naturally occurring intramammary infections, or 3) to compare the efficacy of an experimental teat dip with efficacy of a teat dip efficacious in reducing naturally occurring intramammary infections. Design, procedures, and guidelines for data analyses for each protocol are described.Keywords
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- Significance Testing to Establish Equivalence between Treatments, with Special Reference to Data in the Form of 2 x 2 TablesBiometrics, 1977
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