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The Dexter is an Irish breed of small cattle. [6] It originated in the eighteenth century in County Kerry , in south-western Ireland, and appears to be named after a man named Dexter, who was factor of the estates of Lord Hawarden on Valentia Island .
Polled strains have been developed of many cattle breeds which were originally horned. This has usually been done by crossing with naturally polled breeds, most commonly Angus and Galloway cattle. For example, polled Jersey cattle originated in Ohio sometime prior to 1895. Two strains were developed, the first to appear being founded by crosses ...
[1]: 48 [2]: xxii, 127 A similar colour pattern is seen in the domestic yak [1]: 48 and in some zebuine cattle. [ 3 ] An extreme pale form of the colour-sided pattern is the colour-pointed or 'white park' pattern, seen for example in the White Park , the British White and in some Irish Moiled , where the darker colour is restricted to the ears ...
37 is a coat color found in many animals, including horses, cattle, antelope, cats and dogs. It is defined generally as an even mixture of white and pigmented hairs that do not "gray out" or fade as the animal ages. [1] There are a variety of genetic conditions which produce the colors described as "roan" in various species. Bay Roan with corn ...
Cattle breeds fall into two main types, which are regarded as either two closely related species, or two subspecies of one species. Bos indicus (or Bos taurus indicus ) cattle, commonly called zebu, are adapted to hot climates and originated in the tropical parts of the world such as India, Sub-saharan Africa, China, and Southeast Asia.
Local cattlemen soon became interested in the greys and began breeding them. The first larger-scale commercial herds were established in the 1940s. In the 1960s, several grey cattle breeders were selling them as a commercial enterprise and the Murray Grey Beef Cattle Society was formed to register the cattle and to administer the breed.
"The Genetics of Equine Coat Color" Texas A&M University Department of Animal Science Equine Sciences Program, publication HRG-003 (undated). The same group of researchers found that the WW gene complex was also lethal in Dexter cattle, platinum foxes, and bluefrost minks.
A dilution gene that produces what looks like point coloration, but from a completely different genetic mechanism is the dominant Dun gene, which dilutes the color of the body coat but not the points, including primitive markings—a dorsal stripe down the back and, less often, horizontal striping on the upper legs. On a bay base coat the dun ...