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A female bovine that has not yet had a calf is known as a heifer. An adult female that has had her first calf (or second calf, depending upon regional usage) is called a cow. Steers and heifers can sometimes be colloquially referred to as "cows," especially by non-agricultural people who are not familiar with the appropriate terminology.
A freemartin or free-martin (sometimes martin heifer) is an infertile cow with masculinized behavior and non-functioning ovaries. [1] Phenotypically, the animal appears female, but various aspects of female reproductive development are altered due to acquisition of anti-Müllerian hormone from the male twin . [ 2 ]
Mature female cattle are called cows and mature male cattle are bulls. Young female cattle are called heifers, young male cattle are oxen or bullocks, and castrated male cattle are known as steers. Cattle are commonly raised for meat, for dairy products, and for leather. As draft animals, they pull carts and farm implements.
Dairy cows are probably not heifers, because they have borne a calf to produce milk. A young female cow is called a heifer. Does that mean that the cow hasn't been artificially or naturally inseminated by a bull, or does it mean that it has never given birth? 140.254.70.33 22:22, 11 August 2017 (UTC)
Purebred female calves of dairy cows are reared as replacement dairy cows. Most purebred dairy calves are produced by artificial insemination (AI). By this method each bull can serve many cows, so only a very few of the purebred dairy male calves are needed to provide bulls for breeding. The remainder of the male calves may be reared for beef ...
Brazil has hundreds of millions of cows, but one in particular is extraordinary. Worth $4 million, Viatina-19 FIV Mara Movéis is the most expensive cow ever sold at auction, according to Guinness ...
Sterile male flies are bred to mate with fertile female flies, so the screwworm population decreases until it eventually dies out. USDA said it eradicated screwworm from the U.S. in 1966 using ...
Heifer (cow), a young cow before she has had her first calf; Frank Heifer (1854–1893), American outfielder and first baseman; The Heifer (La vaquilla), 1985 Spanish comedy film; Heifer International, a charitable organization; Red heifer, in Christianity or Judaism, was a heifer that was sacrificed and whose ashes were used for the ritual ...