Aged 12 months. 95% Grass fed (Based on a three-year average). 250 Days on pasture (Based on a three-year average). No rBST (No significant difference has been found between milk derived from rBST treated and non-rBST treated cows). 100% Dedicated to animal care. Our cows enjoy most of the year out on family farms, grazing on the lush green pastures of Ireland. And when the temperature drops, they come inside for shelter and eat harvested grass and extra nutrition-the other 5%-to keep them healthy. At truly grass fed, we truly believe in 100% animal care. Animal Welfare Approved by AGW. Milk from Truly Grass Fed farms is supplied from farms that are independently audited and certified to Ireland's Sustainable Dairy Assurance Program.