Journal
VETERINARY JOURNAL
Volume 193, Issue 3, Pages 648-653Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.tvjl.2012.06.047
Keywords
Modelling; Digital dermatitis; Transmission dynamics; Reproduction ratio
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Five groups of dairy cows affected by digital dermatitis were subjected to five different footbath strategies and evaluated at regular 3-weekly intervals. A standard protocol was used to record five different stages of disease from early (M1), acute ulcerative (M2), healing (M3) and chronic lesions (M4) in addition to the negative stage of disease (M0). The effect of the footbathing was evaluated using mathematical modelling for the transmission dynamics of infections and summarized using the reproduction ratio R-0. Sensitivity analysis for a range of parameters in the mathematical model showed that the speed of detecting acute lesions and the efficiency with which those lesions were treated were the key parameters which determined whether lesions became more severe or whether they healed. Published by Elsevier Ltd.
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