Fig. 1From: Changes in thyroid hormones, leptin, ghrelin and, galanin following oral melatonin administration in intact and castrated dogs: a preliminary studySchema of study design, dogs were adapted with new condition and dewormed during first 2 weeks. Oral melatonin was administrated immediately after castration time and blood sample was collected from jugular vein weekly and from 2 days after day of castration at 10 a.mBack to article page