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University of Illinois, Urbana-Champaign6
Abstract
The physiological mechanisms of the growth stimulatory effect of diethystilbestrol (DES) in ruminants remain to be determined. Several Unes of evidence have indicated that the action of DES may be the result of an increased secretion of growth hormone (GH) (Preston and Burroughs, 1958; Shroder and Hansard, 1958; Struempler and Burroughs, 1959; Hinds, 1959; Frantz and Rabkin, 1965).
If DES does stimulate an increase in GH secretion, then the metabolic effects of treatment with either DES or GH should be similar. The studies presented in this series of papers were designed to obtain information to compare metabolic effects of DES and GH in the ovine.
The metabolic effects of GH have been studied in several species during a fast (Raben and Hollenberg, 1959; Goodman and Knobil, 1959; Williams et al., 1963; Kuhiemeier and Trenkle, 1966; Radloff and Schultz, 1966; Bassett and Wallace, 1966). However, in most of these studies relatively few metabolites were observed in any one experiment.
1 Ovine growth hormone (S9) courtesy Dr. Morris Graff, Endocrinology Study Section, National Institutes of Health, Bethesda, Maryland.
2 Supported in part by federal funds Hatch 20-346 and by grants-in-aid from Moorman Manufacturing Company, Quincy, Illinois.
3 Data taken from thesis submitted to the Graduate College of the University of Illinois by the senior author in partial fulfillment of the requirements of the Ph.D. degree.
5 Present address: Medical College, University of Michigan, Ann Arbor.
7 Dow-Corning (silastic rubber tubing), Midland, Michigan.
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