What is SENIOR? The first ergonomic bolus for cows. More convenient and gentle. Where is the SENIOR applied? In dairy cows. What is ergonomic about the SENIOR? The SENIOR is curved, like the path through the mouth to the esophagus. The end is rounded. What is useful about the SENIOR? The SENIOR fits better in the hand. What is the SENIOR made of? Stainless steel tube, plastic piston. How can the Senior be used? Insert the pill. Grasp the toothless edge of the jaw over the bridge of the nose with one hand. Tickle the palate until the cow opens its mouth on its own. With the other hand, gently push the SENIOR into the mouth. Gently push over the base of the tongue until the red screw head is flush with the muzzle. Release pill. How can the SENIOR be cleaned? By rinsing off with running hot water.