First-lactation performance in cows affected by digital dermatitis during the rearing period

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First-lactation performance in cows affected by digital dermatitis during the rearing period.

The long-term effects of prepartum digital dermatitis (DD) on first-lactation performance were evaluated in a cohort of 719 pregnant heifers. All heifers were followed for a period of 6 mo until calving and classified on the basis of the number of DD events diagnosed during this period as type I, type II, or type III (no DD, one DD event, and multiple DD events, respectively). Health during the...

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ژورنال

عنوان ژورنال: Journal of Dairy Science

سال: 2015

ISSN: 0022-0302

DOI: 10.3168/jds.2014-9041