Abstract: A method for orally administering medicaments to a plurality of animal drinking stations, and an apparatus for accomplishing the method. A medicament reservoir is separately connected to each of the drinking stations via tubes each of an identical predetermined diameter. Medicament is allowed to flow through each of the tubes to each drinking station. Substantially identical rate of medicament flow to each drinking station is insured by the identical predetermined diameter of each of the tubes.

Abstract: A modular poultry automatic injection and spraying apparatus (10) featuring a dual-sensor switch means (41) and a dual-action, fluid-actuated drive means (101) is disclosed. The apparatus has a casing construction (11) including an upper housing (12) mounted on a lower housing (13) such that the lower housing (13), which contains water-sensitive pneumatic logic circuitry (261), can be easily removed prior to cleaning. The casing construction (11) has the additional advantage of allowing substitute upper and lower housings (12, 13) to be interchanged during maintenance and repair. The dual sensor switch means (41) ensures that the injections are performed accurately and consistently. The dual-action, fluid-actuated drive means (101) allows for the simultaneous injection and spraying functions of the apparatus (10) obviating the need for an additional apparatus or separate compressed air signal.