A 2-year randomized blinded controlled trial of a conditionally licensed Moraxella bovoculi vaccine to aid in prevention of infectious bovine keratoconjunctivitis in Angus beef calves.

Annette Maree O'ConnorVickie CooperLaura CensiElla MeyerMac KneippGrant Dewell

Published in: Journal of veterinary internal medicine (2019)

We were unable to document that the M. bovoculi bacterin vaccine had a protective effect for the incidence of IBK in our single herd in a 2-year study.

Keyphrases

double blind
placebo controlled
open label
study protocol
risk factors
phase iii