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Each pig owner had a horn tuned to a different pitch so that pigs were able to identify the call of the owner and come back. [2] Pigs can figure where human attention is focused and much like dogs, pass the human pointing test. The pointing test is notoriously difficult as even great apes struggle, with dogs outperforming great apes. [1]
Testing is performed by faculty from various departments across the university, and is conducted on animals including dogs, rabbits, primates, pigs, sheep, gerbils, bobcats, ferrets, and coyotes. [1] Testing on primates is done through the Washington National Primate Research Center, which is located on campus.
Animal testing, also known as animal experimentation, animal research, and in vivo testing, is the use of non-human animals, such as model organisms, in experiments that seek to control the variables that affect the behavior or biological system under study. This approach can be contrasted with field studies in which animals are observed in ...
[1] Currently, rodents are commonly used in animal testing, particularly mice and rats, but also guinea pigs, hamsters, gerbils and others. Mice are the most commonly used vertebrate species, due to their availability, size, low cost, ease of handling, and fast reproduction rate.
The test compares an animal's response to a stimulus or event on one occasion to its response on a previous occasion. If the second response differs consistently from the first, the animal must have remembered something about the first, unless some other factor such as motivation, sensory sensitivity, or the test stimulus has changed.
Feedback is a common practice used in the pork industry where infected deceased pigs and their manure are fed to breeding pigs. It is also called controlled oral exposure or sometimes oral controlled exposure. It is done in an attempt to make the breeding pigs garner some degree of immunity to circulating diseases. [1]
Ballistic gelatin is a testing medium designed to simulate the effects of bullet wounds in animal muscle tissue. It was developed and improved by Martin Fackler and others in the field of wound ballistics. It is calibrated to match pig muscle, which is ballistically similar to human muscle tissue. [1] [2] [3]
The pig (Sus domesticus), also called swine (pl.: swine) or hog, is an omnivorous, domesticated, even-toed, hoofed mammal. It is named the domestic pig when distinguishing it from other members of the genus Sus. It is considered a subspecies of Sus scrofa (the wild boar or Eurasian boar) by some authorities, but as a distinct species by others.