Aged over 90 days. Great melted on hamburgers. Blend into dressings, pasta sauces, and spreads. Farmer's promise from cows not treated with rBST. The FDA has said that no significant difference has been shown and no test can now distinguish between milk from rBST and non-rBST treated cows. Pride - our secret ingredient. Any fruit salad tastes better when topped with crumbled gorgonzola or blue cheese. Farmer Certified: rBGH free. The US Government has determine that rBGH is safe for humans and cows, and permits its use.