Fig. 6: Plasma hormone and serum metabolite levels in Finnish male reindeer in winter (n = 5) and spring (n = 7) and in male Even reindeer in winter (n = 3) and spring (n = 3).

Plasma hormones a leptin, b insulin, and c hormone-sensitive lipase (HSL) and serum metabolites d glucose, e creatinine, f urea, and g triglyceride levels are presented as mean ± SD. Significant difference between seasons is indicated with a bar and an asterisk (*p ≤ 0.01).