Components (per vial sufficient for 500 ml medium) Oxytetracycline 50.0 mg Biochem/physiol Actions Oxytetracycline is a protein synthesis inhibitor 2. Features and Benefits Added to OGY-Agar (Fluka 75310) Oxytetracycline suppresses the growth of accompanying bacterial flora during culturing yeasts and moulds. Application Oxytetracycline is used as an antibacterial selective agent in microbiology studies 1. It is a broad spectrum antibiotic that is active against a wide variety of bacteria. When added to OGY-Agar (Fluka 75310) Oxytetracycline suppresses the growth of accompanying bacterial flora during culturing yeasts and molds.