Article
Relationships between mastitis and functional longevity in Danish Black and White dairy cattle estimated using survival analysis.
Journal of dairy science - 1 May 2000
Neerhof H J, Madsen P, Ducrocq V P, Vollema A R, Jensen J, Korsgaard I R
Abstract excerpt
The relationship between mastitis and functional longevity was assessed with survival analysis on data of Danish Black and White dairy cows. Different methods of including the effect of mastitis treatment on the culling decision by a farmer in the model were compared. The model in which mastitis treatment was assumed to have an effect on functional longevity until the end of the lactation had the highest...
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