The Guernsey dairy is where Guernsey gets all its dairy products from. It is here the famous Guernsey milk is produced. Guernsey is home to the famous Guernsey cow. IN most shops around Guernsey you can buy Guernsey milk. There is a blue, green and red variants. All come from Guernsey cows. You can also get Guernsey cream, cheese and butter. All have a unique taste and flavor, that you wont find anywhere else.