Dodson & Horrell Mare & Youngstock. Nutritionally balanced mix for Warmblood, Native & Part-bred broodmares, Stallions and Youngstock. This feed can be fed from late pregnancy onwards, providing your mare with the extra calories and proteins that are needed to keep both the mare and the developing foal healthy. With added mannan oligosaccharides (MOS) and high levels of vitamin E encourage good colostrum quality.