Respiratory Aid for Poultry - Chicken Supplement - Drinking Water Additive - Supports Respiratory Health in Roosters - Suitable for All Birds - 6 oz Dropper - Made in USABrand: VivaElixir Color: Yellow Features: Supports respiratory health Helps your flock improve respiratory function and lung health (possible challenges include: colds, panting, labored breathing, decreased activity, harsh breath sounds, and a significant drop in egg production). Veterinarian approved formula A gentle carrier base containing vegetable glycerin, USP propylene glycol, citric acid, and purified water helps alleviate respiratory issues