dehorner (redirected from Keystone dehorner)

dehorner

instrument for removing the horns.

---

Barnes dehorner

two sharp-edged scoops hinged together. Opening them forcefully brings the cutting edges together. Suitable for calves up to 3 to 4 months of age.

hot cautery dehorner

an electrically heated instrument that resembles a round soldering iron with a flat, indented head. The iron is heated to red heat and placed over the horn to burn a ring of skin at the base of the horn. The horn is not removed but is allowed to slough. Satisfactory for use in calves up to 2 months of age.

Keystone dehorner

a guillotine type instrument with detachable blades. Has handles 3 feet long and is capable of chopping off the largest cow horns and most bull horns.

tube dehorner

a metal tube with a very sharp edge at one end and a wooden round palm-fitting handle at the other. The tube is placed over the horn and rotated to isolate the horn skin. The tube edge is then used as a gouge to remove the horn. A hole in the side of the tube permits the debris to be removed. For use in calves up to 2 to 3 months of age.