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USDA Forest Service P.O. Box 96090 Washington, D.C. 20090-6090 (202) 205-8333 Title: Estimating body fat by using bioelectrical-impedance measurements: a preliminary assessment Author: Raphael, M.G.; Harlow, H.J.; Buskirk, S.W. Date: body weight. 1991 Source: Gen. Tech. Rep. PNW-GTR-279. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station Station ID: GTR-PNW-279 Description: body weight. We evaluated a technique for measuring body fat content of marten (Martes americana) by using a noninvasive bioelectrical-impedance device with four electrodes to introduce a current into the body. Instantaneous readings body weight. of resistance were significantly correlated with fat-free mass (determined from solvent extraction) of carcasses of 17 skinned (r = 0.83, P = 0.01) and 6 intact (r = 0.89, P = 0.03) marten. Estimates of percentage of body fat were not accurate among skinned animals but were accurate among unskinned animals. With further refinement, this technique may be useful because the device is noninjurious, easily used, quick,and portable.
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