A Prospective Randomized Field Study to Determine the Efficacy of a Serpens spp Vaccine Combined with Topical Treatment with Lincomycin HCl for Treatment of Papillomatous Digital Dermatitis (Footwarts) on a California Dairy

Abstract

Fifty-nine cows with active, painful Papillomatous Digital Dermitis (PDD) were randomly assigned to control (n=29) or vaccinate (n=30) groups on day 1. Cows were enrolled in the study based on the presence of a visible lesions on one or both rear heels and a pain response.