Oxymav B Soluble Broadspectrum Antibiotic Powder For Birds (100g bottle) is for the treatment of diseases due to Oxytetracycline sensitive organisms in ornamental caged birds. Effective against a wide range of Gram positive and Gram negative bacteria, certain Richettsiae, Chlamidia, Actinomycetes, Mycoplasma, Protozoa and some larger viruses.