[header] How to identify holstein cattle [title] Do a search on the internet or in a cattle breeds book for " holstein-friesians " or " holsteins. [step] " [title] Study the characteristics of the breed. [step] Note the following : [substeps] Colouration: most holsteins are black-and-white. 
This colour pattern always is patchy, with big black, rounded patches over the animal's body. Some holsteins may be more white than black than others, and other holsteins may be more black than white than others.