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). Since 1925. Ultra pasteurized. At Dean's Country Fresh, we're committed to providing families with high quality dairy products that are always rich and delicious - like our half & half. 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 - Dean's Country Fresh. deanfoods.com. Comments? 1-800-395-7004. Grade A.