that purpose only. However, the cow is usually removed from the dairy herd around ages six to eight, and marketed for beef, and other processed meats. The milk has a golden-yellow tinge due to a high content of β-carotene, a provitamin for vitamin A. The milk also has a high butterfat content of 5% and a high protein content of 3.7%. Guernsey cows produce around 6000 litres per cow per year. References External links The American Guernsey Association English Guernsey Cattle Society The World Guernsey Cattle Federation Guernsey Cow Parade Dairy cattle breeds Guernsey Conservation Priority Breeds of the Livestock Conservancy Cattle breeds Cattle breeds originating in the Channel Islands