rBST-free (According to the FDA, no significant difference has been shown between milk derived from rBST treated and non-rBST treated cows). Farmer-owned. Since 1918. Smooth. So - Who's this cow smoooth anyway? Meet Smoooth, Darigold's super-cool, hip, milk-drinking, number one bovine. Aka, ambassador of fun. Does not contain the artificial growth hormone rBST (According to the FDA, no significant difference has been shown between milk derived from rBST treated and non-rBST treated cows). Thank you for choosing Darigold. Pasteurized. Homogenized.