Oxytetracycline Hydrochloride is effective against Actinomyces, Rickettsia, Mycoplasma, and Chlamydia and is therefore recommended for the treatment of Mortellaro, Moraxella bovis conjunctivitis in calves, atrophic Rhinitis, and MMA syndrome in pigs, Pasteurella multocida and Mycoplasma infections in poultry. The antibiotic effect is bacteriostatic.