Cyadox (Cyx) is a broad-spectrum, quinoxaline-based antibacterial known for it's effectiveness against the majority of pathogenic bacteria (including Campylobacter, C. perfringens, Escherichia coli, Pasturella, Salmonella, Staphylococcus, and Streptococcus) in poultry. It is the drug of choice in animals due to it's low toxic effects.