Rodent Feeder Bar - Administer easily! No special skills required and completely eliminates need for dangerous gavage procedure. Reduce time! Administer dose to 10-15 animals in 5-10 minutes. Mix drugs directly to any available food matrix (peanut butter, yogurt, cheese). Confirm visually drug uptake by animals. Work effortlessly with small or large groups of animals. Animals adapt to a feeder bar fast and effortlessly. Works for all rodents.