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The Animal Welfare Act (Laboratory Animal Welfare Act of 1966, Pub. L. 89–544) was signed into law by President Lyndon B. Johnson on August 24, 1966. [1] It is the main federal law in the United States that regulates the treatment of animals in research and exhibition.
The guinea pig or domestic guinea pig (Cavia porcellus), also known as the cavy or domestic cavy (/ ˈ k eɪ v i / KAY-vee), is a species of rodent belonging to the genus Cavia, family Caviidae. Breeders tend to use the name "cavy" for the animal, but "guinea pig" is more commonly used in scientific and laboratory contexts. [ 1 ]
Currently, rodents are commonly used in animal testing for physiological, pathological and behavioral scientific studies, 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.
During Induction B, the topical induction, the test group is exposed to the test article for 48 hours, occluded. The guinea pigs are then a short while later exposed to a lower concentration of the test material, and their allergic reaction, if any, measured. 15% of guinea pigs must show a reaction for the test to be considered positive. 20 ...
Other rodents commonly used are guinea pigs, hamsters, and gerbils. Mice are the most commonly used vertebrate species because of their size, low cost, ease of handling, and fast reproduction rate. [96] [97] Mice are widely considered to be the best model of inherited human disease and share 95% of their genes with humans. [96]
The modern strain of skinny guinea pig originated from a cross between haired guinea pigs and a hairless lab strain.The hairless strain that it is most likely related to was a spontaneous genetic mutation that was first identified at Montreal's Armand Frappier Institute in 1978, in a colony of Hartley lab guinea pigs.
On the July 21st premiere of his National Geographic Show, "Uncharted," he travels to Peru where he tries an array of local delicacies, including roast guinea pig.
A large rodent, the greater guinea pig grows to a total length of 310 mm (12.2 in) and weight of 636 g (22.4 oz) for males and a total length of 303 mm (11.9 in) and weight of 537 g (18.9 oz) for females. The dorsal fur is dark agouti brown, and the underparts are reddish brown. [3] It is semiaquatic and has membranes joining the toes. [5]