The document describes the defining characteristics of five dairy cattle breeds: Ayrshire have red and white coloring and should weigh over 1200 pounds at maturity; Brown Swiss have grey, brown, or white coloring and big floppy ears; Guernseys have yellow or brown patches and strong dairy conformation; Holsteins are black and white or red and white, weigh about 1500 pounds, and have a six year productive life; Jerseys are light brown with black feet and are relatively small in size.