Treatment of bacterial respiratory diseases associated with Pasteurella spp., Haemophilus spp. and foot rot caused by Fusobacterium necrophorum and Bacteroides melaninogenicus in cattle and sheep. Treatment of bacterial respiratory diseases associated with Actinobacillus pleuropneumoniae, Pasteurella multocida, Salmonella, Streptococcus and all of the bacteria susceptible to ceftiofur in swine. Treatment of urinary tract infections associated with E.coli and Proteus mirabilis in canine. Treatment of colibacillosis (The main cause of early chick mortality) in day-old chicken and turkey.