Ultra-pasteurized. Our farmers pledge not to use artificial growth hormones (no significant difference has been shown in milk from cows treated with the artificial growth hormone rbST and non-rbST treated cows). From Local Farms to Local Families: At Lehigh Valley Dairy Farms, we're committed to providing families with high quality half & half, that's always rich and delicious. That's been our way for more than 75 years. By pledging not to use artificial growth hormones, our farmers are strengthening that commitment. Whether it's added to coffee or used as an ingredient when cooking, our half & half is a delicious addition. Taste the difference - Lehigh Valley Dairy Farms. Grade A.