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Pigs have a limited tolerance to high temperatures and heat stress can lead to death. Maintaining a more specific temperature within the pig-tolerance range also maximizes growth and growth-to-feed ratio. Indoor piggeries have allowed pig farming to be undertaken in countries or areas with unsuitable climate or soil for outdoor pig raising. [8]
Porker, market pig between 30 kg (66 lb) and about 54 kg (119 lb) dressed weight; Baconer, a market pig between 65 kg (143 lb) and 80 kg (180 lb) dressed weight. The maximum weight can vary between processors. Grower, a pig between weaning and sale or transfer to the breeding herd, sold for slaughter or killed for rations. [clarification needed]
Through the eddy activity of the Lofoten Basin and the persistence of the Lofoten Vortex, the residence time of the warm water is lengthened, leading to additional cooling of the AW before it reaches the Arctic Ocean. [4] Due to heat loss, the temperature decreases and the light-to-dense water transformation takes place.
Gestation crates, used on modern pig-production facilities, commonly referred to as factory farms. A gestation crate, also known as a sow stall, is a metal enclosure in which a farmed sow used for breeding may be kept during pregnancy.
Suidae is a family of artiodactyl mammals which are commonly called pigs, hogs, or swine. In addition to numerous fossil species, 18 extant species are currently recognized (or 19 counting domestic pigs and wild boars separately), classified into between four and eight genera .
[7]: 235 In 1985 a breed association, the Oxford Sandy and Black Pig Society, was set up and a herd-book was published for the first time; it listed 62 sows and 15 boars, held by 29 different breeders. [4] [8] [9] The breed was recognised in 2003 by the British Pig Association, which then took over herd-book registration. [8]
The wild boar (Sus scrofa), also known as the wild swine, [4] common wild pig, [5] Eurasian wild pig, [6] or simply wild pig, [7] is a suid native to much of Eurasia and North Africa, and has been introduced to the Americas and Oceania. The species is now one of the widest-ranging mammals in the world, as well as the most widespread suiform. [5]
In dogs, the thermoneutral zone ranges from 20–30 °C (68–86 °F). [9] Domestic cats have a considerably higher thermoneutral zone, ranging between 30 and 38 °C. [10] In horses, the lower critical temperature is 5 °C while the upper critical temperature depends on the definition used. [11]