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The Rottweiler (/ ˈ r ɒ t w aɪ l ər /, UK also /-v aɪ l ər /, German: [ˈʁɔtvaɪ̯lɐ] ⓘ) [1] [2] is a breed of domestic dog, regarded as medium-to-large [3] [4] or large. [5] [6] The dogs were known in German as Rottweiler Metzgerhund, meaning Rottweil butchers' dogs, [7] [8] because their main use was to herd livestock [3] and pull carts laden with butchered meat to market. [7]
Dogs of the Affenpinscher type have been known since about 1600. [2] There were originally thought to be two sizes, the larger size is now extinct. [1]: 30 The larger size was approximately 30 to 33 centimetres (12 to 13 in), and came in colors of grey, fawn, black, tan, and red. [2] White feet and chests were also common. [2]
In 2007, a study identified a gene that was proposed to be responsible for dog size. The study found a regulatory sequence next to the gene Insulin-like growth factor 1 (IGF1), which, together with the gene and regulatory sequence, "is a major contributor to body size in all small dogs." Two variants of this gene were found in large dogs ...
Canine terminology in this article refers only to dog terminology, specialized terms describing the characteristics of various external parts of the domestic dog, as well as terms for structure, movement, and temperament. This terminology is not typically used for any of the wild species or subspecies of wild wolves, foxes, coyotes, dholes ...
A golden retriever gnawing on a pig's foot bone. Dogs are typically described as omnivores. [82] [165] [166] Compared to wolves, dogs from agricultural societies have extra copies of amylase and other genes involved in starch digestion that contribute to an increased ability to thrive on a starch-rich diet. [167]
The eyes are hazel to brown, the ears are long, wide, and thin, are set low and far back on the dog's head, and hang well down the neck. The black and tan markings are similar to the Doberman's and the Rottweiler's. The Black and Tan Coonhound's bark is loud and baying; it has been described as a deep howl.
In the early 19th-century there were several varieties of rough-haired pointers found throughout Germany, with few attempts at standardising them as breeds. [4] At some point in the development of the German Roughhaired Pointer old German shepherd dog blood was introduced; the word stichelhaariger in the breed name translates to rough-haired, reflective of this blood.
Boxer early genealogy chart Flocki, the first Boxer. German citizen George Alt, a Munich resident, mated a brindle-colored female dog imported from France named Flora with a local dog of unknown ancestry, known simply as "Boxer", resulting in a fawn-and-white male, named Lechner's Box after its owner.