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Tail flick test apparatus. The tail flick test is a test of the pain response in animals, similar to the hot plate test. It is used in basic pain research and to measure the effectiveness of analgesics, by observing the reaction to heat. It was first described by D'Amour and Smith in 1941. [1]
Example of a traditional set-up for the tail flick assay. The tail flick assay or tail flick test uses a high-intensity beam of light aimed at a rodent's tail to detect nociception. [1] In normal rodents, the noxious heat sensation induced by the beam of light causes a prototypical movement of the tail via the flexor withdrawal reflex. [2]
Chilly, being a large outdoor dog and completely unhouse-trained, must stay behind. Bobby, with help from his friends, is determined to achieve a Christmas miracle and train Chilly to live in a flat. When dog thieves come to steal Chilly, the dog remembers the house tricks Bobby taught him and uses them to avoid being caught.
If a dog's tail is wagging freely and vigorously, this displays a friendly or playful mood. [12] [15] Similar to ear position, tail positions and movements may be mostly or completely ineffective in dog breeds with short, tightly curled, or docked tails. [16] The tail of a dog can communicate a number of emotions and intentions. [17]
A dog wags her tail. Small yellow dog with its tail held at maximum height. Tail wagging is the behavior of the dog observed as its tail moves back and forth in the same plane. Within Canidae, specifically Canis lupus familiaris, the tail plays multiple roles, which can include balance, and communication. [1]
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Temperament testing in wolfhounds is an old and proven form of mild dog fighting used in young dogs to test their temperament. For example, an American standard for an Irish Wolfhound is defined as "a large, rough-coated, greyhound-like dog, fast enough to catch a wolf and strong enough to kill it."