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A latex mask for collection of expired gases from goats
V A Forte1, J A Devine, A Cymerman
1U.S. Army Research Institute of Environmental Medicine, Natick, MA 01760.
Abstract:
A latex respiratory mask was developed to collect expired gas from goats in studies of ventilatory adaptation to high altitude. The snouts of 15 animals were dimensioned by taking girth measurements. The procedure requires a rough positive mold of wood which is repeatedly submerged into latex, then slowly rotated upon removal until skim-like layers form a mask. A supporting harness is attached to the mask by use of three flat straps connected by Dot fasteners. A period of several hours per day for up to 2 weeks may be necessary to allow the animal to become accustomed to wearing the mask.
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