Treatment and prevention of infections caused by sensitive germs: infections of the respiratory, digestive and urogenital systems, infections of the skin and soft tissues, and prevention of secondary bacterial infections. Poultry: CRD and other respiratory diseases, salmonellosis, colibacillosis, cholera, necrotic enteritis, staphylococcosis and streptococcosis, coryza, omphalitis and infection of the vitelline sac, sacculitis, sinusitis, synovitis, dermatitis. Pigs: enzootic pneumonia and other respiratory diseases, dysentery, atrophic rhinitis, edema disease, colibacillosis, salmonellosis, diarrheas, corinebacteriosis, erysipelosis, leptospirosis, dermatitis and others. Pre ruminants: respiratory and enteric infections, diarrheas, enterotoxemia.