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Holstein-Friesian, breed of large dairy cattle originating in northern Holland and Friesland. Its chief characteristics are its large size and black and white spotted markings, sharply defined rather than blended. These cattle are believed to have been selected for dairy qualities for about 2,000 years.
1 Holstein cows give more milk than any other dairy breed in the U.S. The average Holstein cow produces around 23,000 pounds of milk, or 2,674 gallons, of milk each lactation. 2  With a standard lactation lasting 305 days, that comes out to 75 pounds, or almost 9 gallons of milk per cow per day.olstein cattle are the most prominent of the seven major dairy breeds in the United States, easily recognizable by their distinctive black and white markings. Cows of Holstein descent make up over 90% of the cows on U.S. dairy farms.