A few years back I bought a couple of books from NascoThese books were authored by M.E.Ensminger B.S.,M.A.,Ph.D 1 book titled "Beef Cattle Science" is hardback and consists of 1030 pages,the other book "The Stockmans Handbook" hardback and consists of 1030 pages. A lot of good information here,all types of farm animals diseases. layout of a ranch...pastures..you name it. I have read about at least 44 different breeds of beef cattle.
American
Amerifax
Angus
Ankina
Ankole-Watusi
Barzona
Beefalo
Beef Friesian
Beefmaster
Belted Galloway
Belgian Blue
Blonde d'Aquitaine
Bradford
Brahman
Bralers
Brangus
Cattalo
Catalo
Charbray
Charolais
Chianina
Devon
Dexter
Galloway
Gelbvieh
Hays Converter
Hereford
Indu-Brazil
Limousin
Lincoln Red
Maine-Anjou
Marchigiana
Murray Grey
Normande
Norwegian
Piedmontese
Pinzgauer
Polled Hereford
Polled Shorthorn
Ranger
Red Angus
Red Brangus
Red poll
Romagnoia
Salers
Santa Gertudis
Scotch Highland
Shorthorn
Simbrah
Simmental
South Devon
Sussex
Tarentaise
Texas Longhorn
Welsh Black
White Park
Zebu

Dairy Cattle
Ayrshire
Brown Swiss
Dutch Belted
Guernsey
Holstein
Jersey
Milking Shorthorn