Alterations of serum vitamin E and vitamin A concentrations of ponies and horses during experimentally induced obesity

Vitamin A, vitamin E and retinol‐binding protein 4 (RBP4) are a focus of current obesity research in humans. The impact of body weight (BW) gain on fat‐soluble vitamins and its associated parameters in equines has not been previously reported. Ten Shetland ponies and 9 Warmblood horses, all adult geldings, non‐obese and healthy, were fed an excessive energy diet for 20 months to induce BW gain. Serum α‐tocopherol (vitamin E), retinol (vitamin...