Purina Strategy Professional Formula GX Horse FeedPurina Strategy Professional Formula GX Horse Feed Purina Strategy Professional Formula GX is built as a go to all around horse feed for the entire barn. This specially designed feed is suitable for all ages and lifestyles, supporting foal development, muscle growth, and high performance. With added fat and balanced nutrients, your horse will maintain optimal body condition and a shiny, healthy coat. Plus, the addition of Purina Outlast Supplement