The External Parasites of Hogs Being Articles On the Hog Louse Haematopinus Su
The External Parasites of Hogs Being Articles On the Hog Louse Haematopinus Su
Earle C Earle Clement Stevenson
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A force pump is fitted with a hose of sufficient length to permit freedom of motion to the operator. A spray nozzle is attached to the end of the hose, or, as has Fro. 28. Simple spraying apparatus. been done in the absence of a suitable nozzle, the end of the hose is simply compressed between the thumb and forefinger, making a fan- like spray that can be readily directed in any quarter. Any outfit for spraying trees is likely to contain nozzles that can be adapted to spray- ing liquids over an...imals. For those who do not possess a spraying 34 BUREAU OF ANIMAL INDUSTRY. apparatus, and do not care to purchase the more expensive outfits, one of the cheaper pumps put out by firms handling such goods will serve the purpose very well. The illustrations of spraying outfits given (figs. 26-28) represent the character of some of the less expensive ones offered for sale. There should be considerable force to the jet of fluid, and the spray must not be too finely divided, otherwise the liquid will not penetrate between the hair and thoroughly wet the skin, as it must do to be effective.
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