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| | There seems to be some truth to the idea that the purebred dogs tend to look like their owners. However, matching a mutt or non-purebred dog to a master is another situation all together according to a recent study. Researchers at the University of California at San Diego report that when people pick a pet dog they do look for one that bears a resemblance to them in some way. In fact, when working to match up purebred dogs with their owners, researchers were able to pair these dogs and masters up two out of three times past on commonality between their looks and appearance alone. With mutts, however, there simply was not a similar correlation between looks and appearance. The findings from this study will be reported in the journal Psychology Science.
Domesticated dogs are divided into hunting, watch (bulldogs, Newfoundlands, mastiffs, sheep dogs, St. Bernards, spitz-dogs) and room (pinschers or rat catchers, poodles, terriers) including females (including Dwarfish or modified forms of watch dogs and partly hunting dogs: King Charles, lap dogs, bare dogs, for example Chinese crested dog, Italian Greyhound, pugs). Hunting dogs are categorized into three main groups: Gun dogs, hounds and Borzov dogs; Dachshunds and huskies fall under the hunting dogs group.
The weight of the dog depends on its body structure and quantity of fat reserves. For example, one St. Bernard weighed 123 kg and then grew thin and reached only up to 72 kg. At regular training, dogs are surprisingly strong for their sizes — some are capable of transferring heavy loads on their backs, drag the sledges and other big loads. Often, sledge dogs have to tow a sledge weighing one ton for several hours together in a group of six and fox hounds can trail for 48 hrs without stopping. Empirically, the longevity of mammals increases with the increase in the size of the brain (as a result, it also increases with the increase in the weight of the body) and decreases with the increase in speed of metabolism. The typical dependence is broken in the case of dog breeding. Big sized dogs though attain sexual maturity more slowly, live much less, the difference reaches approximately 2 times between the biggest and smallest breeds.
Dog and astrology/zodiac — the dog is one of the 12 animals in the circadian cycle of Chinese calendar.
The African dog Basenji can not bark.
Not always a person could be found for sacrifice in the Aztecs and animal meat was offered frequently and hence, they reared a special breed o meaty dogs (itzcuintli), the meat of which was meant for special events — situations, when gratitude and respect is expressed.
In China, contrary to popular belief, the purebred Chow, most probably, was not eaten and crossbreeds of chow meat was consumed. The purebred Chow was widely used as a working dog and for hunting large animals.
Dogs, contrary to the general delusion, possess colored vision but not black-and-white vision.
The emotions are directly connected with instincts. So, grinning, the narrowing of the eyelids, the clenching of fists, the reddening of the face due to a blood rush, making menacing poses etc are common in human beings in an angered condition. The same expressions, as in the case of human beings, can also be observed even in higher animals (primates, dogs, cats and others).
A two-legged dog lives in Manassas, Virginia, which learned to walk on his hind legs.
Wolves, which became dogs, were the first domesticated animals. In the beginning, they served as assistants during hunting and later on assumed guarding functions. The first witness about the "association" of human beings and dogs (the imprint of dog’s paw) dates back to the 22nd millennium BC. Estimates on the genetic basis indicate that the dog and wolf were definitively separated about 125 thousand years, though the dog became the companion of human beings much later.
The first domesticated dogs, most likely, served as watchdogs and helpers during hunting. Subsequently, dogs were divided into groups depending on their household use. Hunting and watch dogs appeared first and later on – decorative dogs, from which no service was demanded. To a considerable extent, such a classification of dogs is conditional. With the development of human society, the functioning area of several dog breeds has changed considerably. To the greatest degree, it concerns hunting dogs, which are now on the verge of extinction or have transformed into the pets category. Many of them are used in police and in social spheres (Guides for blind, etc.). |
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