In cattle, BIO-MYCIN 200 is indicated in the treatment of pneumonia and shipping fever complex associated with Pasteurella spp. and Haemophilus spp.; infectious bovine keratoconjunctivitis (pinkeye) caused by Moraxella bovis; foot-rot and diphtheria caused by Fusobacterium necrophorum; bacterial enteritis (scours) caused by Escherichia coli; wooden tongue caused by Actinobacillus lignieresii; leptospirosis caused by Leptospira pomona; and wound infections and acute metritis caused by strains of staphylococci and streptococci organisms sensitive to oxytetracycline.