TY - JOUR AU - Adamczewski, Jan Z. AU - Tedesco, Susan C. AU - Laarveld, Bernhard AU - Flood, Peter F. PY - 1997/02/01 Y2 - 2024/03/28 TI - Seasonal Patterns in Growth Hormone, Insulin and Insulin-like Growth Factor-1 in Female Muskoxen JF - Rangifer JA - Ran VL - 17 IS - 3 SE - Brief communications DO - 10.7557/2.17.3.1364 UR - https://septentrio.uit.no/index.php/rangifer/article/view/1364 SP - 131-134 AB - Over a year, mean serum growth hormone concentrations ranged from 0.5 to 3 ng/ml in tame muskoxen with the lowest values and fewest pulses between October and January. Serum insulin ranged from 0.25 to 0.92 ng/ml, with minima in summer. There were marked seasonal changes in serum insulin-like growth factor-1 in both tame and wild muskoxen but the late summer peak was higher and more distinct in the tame animals with levels reaching 160-250 ng/ml in September. ER -