Possible late effects of sublethal levels of whole-body gamma irradiation on growth of burro foals were studied. Two trials included 31 nonirradiated foals and 32 foals that were exposed to 250 R of60 Co gamma radiation during their fourth month of life. The foals were weaned 90 days postirradiation and allotted into treatment groups based on radiation treatment, weight, sex, and size. Each group was then randomly selected to be fed a ration containing either 9%, 14%, or 18% crude protein in the first trial and either 9% or 18% in the second trial. The length of these trials was 364 days. Criteria used to evaluate the treatments included feed consumption, body weight gains, feed efficiency, increase in height, and increase in heart girth. Least-squares analysis of these data indicated that radiation had no significant effect on any of the traits tested. There was a consistent though nonsignificant trend for irradiated foals to be less efficient in feed utilization than their nonirradiated counterparts.
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Research Article| October 01 1968
Food Intake and Growth of Burro Foals after 250 Roentgens of Cobalt-60 Whole-Body Gamma Irradiation
Radiat Res (1968) 36 (1): 158–165.
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J. J. Knapka, D. G. Brown, K. M. Barth; Food Intake and Growth of Burro Foals after 250 Roentgens of Cobalt-60 Whole-Body Gamma Irradiation. Radiat Res 1 October 1968; 36 (1): 158–165. doi: https://doi.org/10.2307/3572547
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