Strauss | Top quality nutrition for dairy calves Strauss Feeds makes high-quality milk replacers for your farm. While we specialize in milk replacers for calves, we also formulate milk replacers for lambs, goat kids, piglets, and other ruminants Strauss Feeds makes high-quality milk replacers for your farm. While we specialize in milk replacers for calves, we also formulate milk replacers for lambs, goat kids, piglets, and other ruminants. Our Agri-Best supplements can be mixed or added to meet your animal's nutritional needs.