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Large White piglets on a farm A Large White sow suckling her piglets Interior of pig farm at Bjärka-Säby Castle, Sweden, 1911. Pig farming, pork farming, or hog farming is the raising and breeding of domestic pigs as livestock, and is a branch of animal husbandry. Pigs are farmed principally for food (e.g. pork: bacon, ham, gammon) and skins.
The Large White derives from the old Large Yorkshire breed, a long-legged and heavy-boned pig from the county of Yorkshire, in northern England.In the nineteenth century this was crossed with pigs imported from China, giving rise to three distinct types or breeds: the Small White showed the greatest Asian influence, small and fat with a markedly foreshortened snout; the Middle White also ...
The crates are so small that the pigs cannot turn around. [10] [11] Artificial insemination is much more common than natural mating, as it allows up to 30-40 female pigs to be impregnated from a single boar. [12] Workers collect the semen by masturbating the boars, then insert it into the sows via a raised catheter known as a pork stork. [13]
Large Black: United Kingdom---270–360 kg (600–790 lb) ... (boars); 153.1 cm (sows) (length) 225.3 kg (boars); 190.4 kg (sows) ... Storey's Illustrated Breed Guide ...
In 1954 there were 2195 Large Blacks recorded, 269 licensed boars and 1926 registered sows, representing approximately 3.4% of the UK pig population of about 65,000; [21] at the end of 2011 there were 421 registered (86 boars and 335 sows), a small increase over the 2010 figure of 405 (65 boars, 340 sows). The Large Black is the rarest historic ...
Holywell Rosador, a Middle White boar, took first prize at the Royal Counties Show and at the Highland and Agricultural Society of Scotland Show, 1899. The Middle White is a British breed of domestic pig. [5] [4] It originated in Yorkshire, and derived from the Large White and the now-extinct Small White.
Breeding sows spend the bulk of their time in sow stalls during pregnancy or farrowing crates, with their litters, until to be sent for the market. Piglets often receive range of treatments including castration, tail docking to reduce tail biting, teeth clipped (to reduce injuring their mother's nipples, gum disease and prevent later tusk ...
Dutch Landrace sows are the bulk of the female stock for a standardized three-way cross, the Dutch Yorkshire pig, a 3/4 Large White (a.k.a. Yorkshire) and 1/4 Dutch Landrace mix, developed with "great stress on production detail", by the following breeding formula: Large White boar × (Large White boar × Dutch Landrace) sow. [1]