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Cattle (Bos taurus) 279 287 ... Horse (Equus caballus) 330 342 ... There is a positive relationship between mass at birth and length of gestation in eutherian mammals
Horse breeding is reproduction in horses, and particularly the human-directed process of selective breeding of animals, particularly purebred horses of a given breed. Planned matings can be used to produce specifically desired characteristics in domesticated horses.
[8] [9] Cattle breeds vary widely in size; the tallest and heaviest is the Chianina, where a mature bull may be up to 1.8 m (5 ft 11 in) at the shoulder, and may reach 1,280 kg (2,820 lb) in weight. [10] The natural life of domestic cattle is some 25–30 years. Beef cattle go to slaughter at around 18 months, and dairy cows at about five years.
The Stoß is a unit of cattle stock density used in the Alps. For each Alm or Alp it is worked out how many Stoß (Swiss: Stössen) can be grazed (bestoßen); one cow equals one Stoß, 3 bulls equal 2 Stöße, a calf is 1 ⁄ 4 Stoß, a horse of 1, 2 or 3 years old is worth 1, 2 or 3 Stöße, a pig equals 1 ⁄ 4, a goat or a sheep is 1 ⁄ 5 ...
[citation needed] Mating occurs throughout the year with a gestation period of approximately 277–290 days. Most commonly a single calf is born, but twins are not unknown. Sexual maturity is reached at about eighteen months. Highland cattle also have a longer expected lifespan than most other breeds of cattle, up to 20 years. [24]
Breeds of Cattle – Cattle.com; 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
This is a list of some of the cattle breeds considered in the United States to be wholly or partly of American origin. Some may have complex or obscure histories, so inclusion here does not necessarily imply that a breed is predominantly or exclusively American.
The related cow pony or cow horse is a historic phrase, still used colloquially today, referring to a particularly small agile cattle-herding horse; [2] the term dates to 1874. [3] The word "pony" in this context has little to do with the animal's size, [ 4 ] though the traditional cow pony could be as small as 700 to 900 pounds (320 to 410 kg ...