Monensin

Monensin is a polyether antibiotic first isolated from streptomyces cinnamonensis; a broad-spectrum anticoccicidal antibiotic; exhibits antifungal and antiviral activity; forms complexes with monovalent cations such as li+, na+, K+, rb+, ag+ and tl+; blocks intracellular protein transport and is used in animals to prevent coccidiosis, promote growth and prevent bloat