Ayshire cow The Ayrshire is a dairy breed that has an alert and active disposition. In spite of their bovine beauty, Ayrshires are best known as hardy, useful cattle, well adapted to cold climates and rugged environments. The cows are excellent grazers, able to maintain condition, reproduce efficiently, and produce up to 20,000 pounds of milk per year, primarily on a forage diet. Cows: 1,100lbs(avg)/ Bulls: 1,600lbs(avg)