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  • Title: A comparison of florfenicol and tulathromycine for the treatment of undifferentiated fever in feedlot calves.
    Author: Perrett T, Abutarbush SM, Wildman BK, Fuchs MT, Schunicht OC, Pollock CM, Fenton RK, Jim GK, Guichon PT, Booker CW, Berg J, Roder J, Spire M.
    Journal: Vet Ther; 2008; 9(2):128-40. PubMed ID: 18597251.
    Abstract:
    The purpose of this study was to compare the relative cost-effectiveness of florfenicol with that of tulathromycin for treatment of undifferentiated fever (UF) in feedlot calves at ultra-high risk of developing UF that receive metaphylactic tulathromycin on arrival at the feedlot. Calves that received therapeutic florfenicol had lower overall mortality (P=.045) and bovine respiratory disease mortality (P=.050) compared with calves that received therapeutic tulathromycin, but no significant differences were detected in feedlot performance, carcass characteristics, or other animal health variables. There was a net advantage of Can$41.19/treated animal in the florfenicol group versus the tulathromycin group. This study demonstrates that it is more cost-effective to use florfenicol than tulathromycin for the initial treatment of UF in feedlot calves at ultra-high risk of developing UF that receive on-arrival metaphylactic tulathromycin.
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