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During his first tests, he placed around 32 to 56 rats in a 10-by-14-foot (3.0 m × 4.3 m) cage in a barn in Montgomery County. He separated the space into four rooms. Every room was specifically created to support a dozen matured brown Norwegian rats. Rats could maneuver between the rooms by using the ramps.
Group CC was isolated in laboratory cages when they were weaned at 22 days of age, and lived there until the experiment ended at 80 days of age; Group PP was housed in Rat Park for the same period; Group CP was moved from laboratory cages to Rat Park at 65 days of age; and Group PC was moved out of Rat Park and into cages at 65 days of age. The ...
The cages are constructed and designed in a specific way to ensure an absolute microparticle free inner environment. This generally includes a cage bottom, a cage top (with a food hopper and water bottle holder incorporated) and a filter lid. It is also designed to allow maximum comfort of the animal and to provide a secure, chew proof environment.
The "Rats Dungeon", or "Dungeon of the Rats", was a feature of the Tower of London alleged by Catholic writers from the Elizabethan era. "A cell below high-water mark and totally dark" would draw in rats from the River Thames as the tide flowed in. Prisoners would have their "alarm excited" and in some instances, have "flesh ... torn from the arms and legs".
Rat hunting and rat-baiting are not the same activities. Rat hunting, also known as rat-coursing, is the legal use of dogs, often referred to as ratters, for pest control of non-captured rats in an unconfined space, such as a barn or field. [26] [27] [28] In the United Kingdom the hunting of rats with dogs is legal under the Hunting Act 2004. [29]
Tryon's Rat Experiment is a psychology experiment conducted by Robert Tryon in 1940 and published in the Yearbook of the National Society for Studies in Education. [ 1 ] Experiment set-up