Aged 90 days. Produced with sustainable agricultural practices. Farmers Promise - The FDA has said no significant difference and no test can now distinguish between milk from rBST and non-rBST treated cows. Farmer certified rBGH free. Made with milk not treated with rBST. No significant difference has been shown between milk from rBST-treated and untreated cows. www.dcicheeseco.com. Wisconsin cheese.