Abstract: A method and an apparatus for application of chemical treatment to livestock provide a combination chemical roller applicator and livestock sprayer with a gateway to a livestock resource area. A roller applicator imparts a liquid treatment to the nose and face of an animal after lifting a flap attached to the roller. A pump conveys chemical from a reservoir to the roller and sprayer nozzles. The apparatus secures to an existing fence or gate.

Abstract: A method and an apparatus providing a combination mineral feeder and livestock sprayer with a mineral feed compartment having a door and a sprayer actuated by movement of livestock into the door. The door includes a roller applicator for imparting liquid treatment to the nose and face of an animal. The apparatus combines a reservoir of chemical into the unit and a pump to the sprayer. The apparatus is secured by a mat or surround attached to the base of the apparatus that accommodates the livestock thereon during use.

Abstract: An apparatus for spraying and treatment of livestock has a frame with adjustable side sprayer nozzles, adjustable overhead spray nozzles, and bottom sprayer nozzles. Sensors attached to adjustable sensor bars determine actuation of the sprayer nozzles as animals enter a chute. A combination of side guide rails and spring rods keep animals centered while passing through the chute. A trailer tongue and wheels are attachable to the frame for transport of the apparatus as a trailer. Gates are hinged to the frame for use of the apparatus with an opening in a fenced area.