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An "intact" (i.e., not castrated) adult male is called a bull. A father bull is called a sire with reference to his offspring, such as in the herd book or purebred records. 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 ...
The ratio of male to female offspring at birth is approximately 52:48. [15] A cow's udder has two pairs of mammary glands or teats. [16] Farms often use artificial insemination, the artificial deposition of semen in the female's genital tract; this allows farmers to choose from a wide range of bulls to breed their cattle.
The female counterpart to a bull is a cow, while a male of the species that has been castrated is a steer, ox, [2] or bullock, although in North America, this last term refers to a young bull. [citation needed] Use of these terms varies considerably with area and dialect. Colloquially, people unfamiliar with cattle may also refer to steers and ...
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]
[1] [2] The breed was created to combine the characteristics of both animals for beef production. Beefalo are primarily cattle in genetics and appearance, with the breed association defining a full Beefalo as one with three-eighths (37.5%) bison genetics, while animals with higher percentages of bison genetics are called "bison hybrids". [3]
First Cow opens with lovely poetry from William Blake: "The bird a nest, the spider a web, man friendship." The line precedes the film's opening sequence, where an unnamed woman (Alia Shawkat) and ...
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Most beef cattle are mated naturally, whereby a bull is released into a herd of cows approximately 55 days after the calving period, depending on the cows' body condition score (BCS). If it was a cow's first time calving, she will take longer to re-breed by at least 10 days. [ 4 ]