"Advanced nutrition for broodmares, foals and youngstock. The Stud & Youngstock Mix from Spillers is suitable for youngstock between 2 weeks and 2 years, broodmares and stallions. It contains quality protein including an optimal balance of lysine, methionine and threonine to support the development of muscle tone and topline. The feed is high in vitamin E which is proven to support the transfer of passive immunity via the mare's colostrum to the foal and maximum fertility in the mare. It contains a careful balance of calcium, phosphorus and magnesium to promote optimal bone health and skeletal development. With added live yeast to support hindgut health, optimum digestion and nutrient absorption and includes rapeseed oil for a gleaming coat and concentrated energy. "