Use in Cuban media Ĭastro referred to Ubre Blanca's prodigious output in speeches as evidence of communism's superior breeding skills, and the cow's achievements were often printed in Cuban newspapers. In February 2020, Guinness World Records announced the Brazilian cow Marilia surpassed Ubre Blanca's record of milk production in a single day, producing 127.57 kilograms (281.2 lb) of milk. The current annual production record is 75,275 pounds (34,144 kg), set by LA-Foster Blackstar Lucy in 1998 at the LaFoster Dairy in Cleveland, North Carolina. The cow was a cross between a Holstein bull (also known as a dairy cow) and a zebu cow (Indian cow breed that does not produce much milk). Both feats were recognized by Guinness World Records as world records.

The cow also produced 24,268.9 liters of milk (about 55,090 pounds at 2.27 pounds per liter) in 305 days (one lactation period) ending in February 1982. Ubre Blanca produced 113 liters (241 pounds) of milk on a single day in January 1982 – more than four times a typical cow's production. The Spanish phrase ubre blanca translates to the English phrase 'white udder.' The cow, along with the 'Cordón de La Habana' coffee plantations, the Voisin pasture system, and the microjet irrigation system, symbolizes Fidel Castro's efforts to modernize Cuba's agricultural economy. 1972–1985) was a cow in Cuba known for her prodigious milk production.

Black supercow