Influence of dietary supplementation on serum vitamin A and D concentrations and their seasonal variation in horses
An experiment involving 40 adult trotters and saddle horses was conducted during a period of one year in order to investigate the LCD Display influence of vitamin A (retinol) and D (25-(OH)D) supplementation on serum vitamin concentrations and the seasonal variation of the serum concentrations of these vitamins.Vitamin supplementation was started e