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Classical swine fever (CSF) or hog cholera (also sometimes called pig plague based on the German word Schweinepest) is a highly contagious disease of swine (Old World and New World pigs). [4] It has been mentioned as a potential bioweapon .
Infected pigs can lose up to 12 pounds of body weight over a three- to four-week period. [8] Influenza A is responsible for infecting swine and was first identified in 1918. [ 10 ] Because both avian and mammalian influenza viruses can bind to receptors in pigs, pigs have often been seen as "mixing vessels", facilitating the evolution of ...
It is motile at temperatures of 22–29°C (72–84°F), but becomes nonmotile at normal human body temperature. [ 1 ] [ 2 ] Y. enterocolitica infection causes the disease yersiniosis , which is an animal-borne disease occurring in humans, as well as in a wide array of animals such as cattle, deer, pigs, and birds.
Warm-blooded is a term referring to animal species whose bodies maintain a temperature higher than that of their environment. In particular, homeothermic species (including birds and mammals) maintain a stable body temperature by regulating metabolic processes. Other species have various degrees of thermoregulation.
Normal body temperature is around 37°C (98.6°F), and hypothermia sets in when the core body temperature gets lower than 35 °C (95 °F). [2] Usually caused by prolonged exposure to cold temperatures, hypothermia is usually treated by methods that attempt to raise the body temperature back to a normal range.
Adult pigs generally weigh between 140 and 300 kg (310 and 660 lb), though some breeds can exceed this range. Exceptionally, a pig called Big Bill weighed 1,157 kg (2,551 lb) and had a shoulder height of 1.5 m (4 ft 11 in). [5] Pigs possess both apocrine and eccrine sweat glands, although the latter are limited to the snout. [6]
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The swelling around the kidneys and the muscle hemorrhages visible here are typical of pigs with African swine fever. In the acute form of the disease caused by highly virulent strains, pigs may develop a high fever, but show no other noticeable symptoms for the first few days. [14] They then gradually lose their appetites and become depressed.