. A manual of veterinary hygiene. Veterinary hygiene. HABITATIONS 333 on a pivot as to cover them partly or completely. In the ridge he places a fixed extraction cowl. For byres arranged as in Figs. 132 and 133 he introduces a 3-inch pipe through the wall for each stall, and to prevent the air driving directly on the cattle, covers the mouth of the tube with a metal box, so arranged as to break the current of air and divert it. Henderson's views represent what will possibly be re- garded as the acceptable compromise between the ideal and. ~f "W 12/ '27 \liJ fi '^ =: — [~(|j u 1 7' 4'6&quo
. A manual of veterinary hygiene. Veterinary hygiene. HABITATIONS 333 on a pivot as to cover them partly or completely. In the ridge he places a fixed extraction cowl. For byres arranged as in Figs. 132 and 133 he introduces a 3-inch pipe through the wall for each stall, and to prevent the air driving directly on the cattle, covers the mouth of the tube with a metal box, so arranged as to break the current of air and divert it. Henderson's views represent what will possibly be re- garded as the acceptable compromise between the ideal and. ~f "W 12/ '27 \liJ fi '^ =: — [~(|j u 1 7' 4'6" 7' Fig. 134.—Double byre (Henderson). the real; he endeavours to utilize existing buildings, and to place their ventilation on some sort of definite basis; he works with cheap material, wood instead of iron, but is fully alive to sanitary requirements, in spite of the fact that the cubic space he recommends falls far short of what is believed to be necessary. Lloyd recommends as ventilating means for existing cow-houses, a series of iron gratings 9 inches square placed in the outside walls 6 feet above the floor level; these are Digitized by Microsoft®. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smith, Frederick 1857-1929. New York : W. R. Jenkins
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