American Humane Certified. Clover promise of excellence. Since 1916. Welcome to Clover Country: For three generations, we've been bringing you the highest quality dairy products, while pioneering animal welfare standards and protecting our lands for future generations. Clover Cares. www.CloverSonoma.com. Tetra Pak: Protects what's good. Our Family of Dairies: cows not treated with the growth hormone rBST; cows care for under American Humane Certified animal welfare standards; daily and weekly testing of milk to ensure low bacteria counts, 3-6x lower than state and federal standards; farms strive to make annual environment improvements to their land. Grade A. Pasteurized. Homogenized. Connect with us: Facebook; Twitter; Pinterest.