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Article: The impact of parity and duration of biotin supplementation on white line disease lameness in dairy cattle
- Article from:
- Journal of Dairy Science
- Article date:
- August 1, 2003
- Author:
CopyrightCopyright American Dairy Science Association Aug 2003. Provided by ProQuest LLC. (Hide copyright information)
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ABSTRACT
A field study was conducted to examine effects of oral biotin supplementation for up to 18 mo on risks of lameness in dairy cows. The study included a total of 900 cattle from five dairy farms in Gloucestershire, southwest U.K., in a within-herd randomized control trial. The data from this trial were used in this paper to investigate the impact of parity and duration of supplementation with oral biotin at 20 mg/d on white line disease (WLD) lameness. Analysis of the data indicated that WLD increased with increasing parity independent of biotin supplementation from approximately two cases per 100 cow years in primiparous cows to 15.5 cases per 100 cow years in all multiparous cows, ...