If the ear tag goes through these ridges, it could cause infection or deform the ear. Also avoid the cartilage ridges in the middle of the ear. Avoid piercing these veins to prevent bleeding. The bovine ear has two large veins running parallel to each other from the head to the tip of the ear. Make sure the ear is clean and clear away any debris or hair. It’s important to place tags properly in the ears to prevent unnecessary pain. A common mistake is applying the tag backwards, so double-check to ensure staff know how to load the tag properly into the applicator before catching the animal. Train workers on manufacturer’s instructions for loading the tag, pin and button into the applicator. Restrain older animals in a chute for tag application while vaccinating or handling other processing steps. Often the best way is to position the head between your legs, facing your head in the same direction as the calf’s. Gently position its head to allow access to the ears. Calf crates may work well with calf/cow catchers to help. If tagging calves, keep them away from the cow to prevent the mother interfering with the process. ![]() Keep animals restrained to help the tagging process go more smoothly, as well as protect the person administering the tag. To prevent infection, clean the ear area, wash hands and use gloves, clean the tagger with alcohol or other disinfectant, and place equipment on a hygienic surface to minimize transmission of unhealthy microbes. Use proper hygiene to help prevent spread of bacteria and viruses, such as bovine papillomavirus or bovine leucosis, from animal to animal. New, lightweight, ergonomic applicators are more comfortable, both for the animal and for the person doing the tagging. An old and rusty tag applicator may be difficult to squeeze or make a loud noise that could startle the animal. Taggers should be kept in good working order, with extras on hand. ![]() Next, create an efficient and safe workstation, ensuring tagging equipment is in readiness so animals can be handled quickly and efficiently. When ordering additional tagging equipment, allow ample time for delivery in case of shipping delays. Prepare your toolsįirst, ensure you have enough tags and applicators on hand for the number of animals being tagged. To make the process easier on the animal and the caregiver, follow these recommendations for ear tag application preparation and placement.
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