| 摘要 |
The present invention relates to methods and apparatus, preferably adapted to spray a veterinarian preparation. The apparatus includes: (a) a mixture delivery line to deliver preparation from a source through a lance to a mixture chamber, and (b) air delivery lines to deliver air from a source through a lance to a mixing chamber, and (c) control means for controlling the rate of delivery of mixture and/or air to the mixing chamber, and (d) a nozzle, wherein the arrangement and configuration of the mixing chamber is such that the venturi effect is harnessed to effectively mix the preparation and air, carrying and/or atomising the preparation to spray same. Methods of applying a veterinarian products or preparations using the above spray device are also disclosed.
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