Article
Experimental Staphylococcus aureus intramammary challenge in late lactation dairy cows: quarter and cow effects determining the probability of infection.
Journal of dairy science - 1 Nov 1999
Schukken Y H, Leslie K E, Barnum D A, Mallard B A, Lumsden J H, Dick P C, Vessie G H, Kehrli M E
Abstract excerpt
The purpose of this study was to identify factors at the quarter and cow level that determine whether a quarter remains infected after an intramammary challenge with Staphylococcus aureus Newbould 305. A total of 135 cows were studied. Information on animal characteristics, cow-conformation, cow somatic cell count (SCC), and bacteriology, blood vitamin E levels, serology for retro-viral infections, bovine...
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