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Bos (from Latin bōs: cow, ox, bull) is a genus of bovines, which includes, among others, wild and domestic cattle.. Bos is often divided into four subgenera: Bos, Bibos, Novibos, and Poephagus, but including these last three divisions within the genus Bos without including Bison is believed to be paraphyletic by many workers on the classification of the genus since the 1980s.
Bulls are larger than cows of the same breed by up to a few hundred kilograms. British Hereford cows, for example, weigh 600–800 kg (1,300–1,800 lb), while the bulls weigh 1,000–1,200 kg (2,200–2,600 lb). [7] Before 1790, beef cattle averaged only 160 kg (350 lb) net. Thereafter, weights climbed steadily.
A fresh cow is a dairy term for a cow (or a first-calf heifer in few regions) who has recently given birth, or "freshened." The adjective applying to cattle in general is usually bovine. The terms bull, cow and calf are also used by extension to denote the sex or age of other large animals, including whales, hippopotamus, camels, elk and elephants.
The name "Bovidae" was given by the British zoologist John Edward Gray in 1821. [1] The word "Bovidae" is the combination of the prefix bov- (originating from Latin bos , "ox", through Late Latin bovinus ) and the suffix -idae .
International Commission on Zoological Nomenclature (2003) Opinion 2027 (Case 3010). Usage of 17 specific names based on wild species which are pre-dated by or contemporary with those based on domestic animals (Lepidoptera, Osteichthyes, Mammalia): conserved. Bull. Zool. Nomencl., 60:81–84.
Discover some of the best cow names for your herd. From traditional picks to colorful choices, you're sure to find the perfect name for your heifer or steer. 150 Moo-arvelous Cow Names for Your Cattle
Breeds of Cattle – Cow World (archived 19 January 2017) Cattle Breeds – Embryoplus.com (archived 29 November 2013) Breeds of Cattle – Official 2nd Edition; Cattle Breeds of the World; Portuguese Cattle Breeds (archived 17 January 2016) EuReCa – Towards self-sustainable EUropean, REgional CAttle breeds; Native cow varieties of India
Below is the taxonomy of extant genera that are classified as members of the tribe Bovini (more information regarding the species taxonomy is explained more in-depth in their respective subtribe articles): [25] [4] [15] [8] Tribe Bovini (Gray, 1821) Subtribe Pseudorygina (Hassanin & Douzery, 1999) Genus Pseudoryx (Dung et al., 1993) – Saolas