Effects of a growth hormone-releasing factor analogue and an estradiol-trenbolone acetate implant on somatotropin, insulin-like growth factor I, and metabolite profiles in growing Hereford steers

Hereford steers (290 +/- 6 kg of BW were implanted (n = 4) with 140 mg of trenbolone acetate (TBA) and 23 mg of estradiol-17beta (E2beta) or nonimplanted (controls, n = 4). In Trial 1, effects of a single i.v. injection of 0, 20, 40, or 80 mg of a growth hormone-releasing factor (1-29 NH2) analogue...

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Veröffentlicht in:	Journal of animal science 1992-05, Vol.70 (5), p.1439-1448
Hauptverfasser:	Hongerholt, D.D. (University of Minnesota, St. Paul), Crooker, B.A, Wheaton, J.E, Carlson, K.M, Jorgenson, D.M
Format:	Artikel
Sprache:	eng
Schlagworte:	Anabolic Agents - administration & dosage Anabolic Agents - pharmacology ANABOLICOS ANABOLISANT Animals Blood Glucose - analysis Blood Urea Nitrogen BOEUF BOVIN DE BOUCHERIE Breeding BUEY Cattle Cattle - blood Cattle - growth & development Cattle - metabolism Dose-Response Relationship, Drug Drug Implants ESTROGENOS GAIN DE POIDS GANADO DE CARNE GANANCIA DE PESO GLICEMIA GLYCEMIE Growth Hormone - blood Growth Hormone-Releasing Hormone - administration & dosage Growth Hormone-Releasing Hormone - analogs & derivatives Growth Hormone-Releasing Hormone - pharmacology HORMONAS HORMONAS PITUITARIAS HORMONE HORMONE HYPOPHYSAIRE Hormones Injections, Intravenous - veterinary Insulin-Like Growth Factor I - analysis INSULINA INSULINE Male OESTROGENE PESO Physical growth PLASMA SANGUIN PLASMA SANGUINEO POIDS Transplants & implants Trenbolone Acetate - administration & dosage Trenbolone Acetate - analogs & derivatives Trenbolone Acetate - pharmacology UREA UREE Weight Gain - drug effects
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