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The two major Limousin hybrids are Brahmousin (a cross between Brahman and Limousin cattle) and Lim-Flex (a cross between Angus and Limousin cattle), which were both developed before the significance of the F94L myostatin variant had been quantified. When Limousins homozygous for the F94L myostatin mutation are used in crossbreeding, only one ...
The Brahman is an American breed of zebuine-taurine hybrid beef cattle. It was bred in the United States from 1885 using cattle originating in India, imported at various times from the United Kingdom, India, and Brazil. These were mainly Gir, Guzerá and Nelore stock, with some Indu-Brasil, Krishna Valley and Ongole. The Brahman has a high ...
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 ...
Over 1000 breeds of cattle are recognized worldwide, some of which adapted to the local climate, others which were bred by humans for specialized uses. [1]Cattle breeds fall into two main types, which are regarded as either two closely related species, or two subspecies of one species.
The parent Suffolk breed was also polled; Norfolk cattle had horns, but the gene for horns was bred out in the Red Poll breed. The original name for the breed, adopted in 1863, was Norfolk and Suffolk Red Polled cattle, and the first standard description was agreed upon in 1873, with the first herd book compiled in 1874.
[5]: 205 It was hoped that the good adaptation of the Brahman to hot and humid conditions could be combined with the better meat qualities of the Angus, as well as its black coat and polled characteristic. [5]: 206 An ideal proportion of 5/8 Angus to 3/8 Brahman was established. By 1949 the cattle were distributed in sixteen American states and ...
The Red Brangus is an American breed of hybrid beef cattle, with both taurine and indicine genetic heritage. Development began in Texas in the 1940s. [4]: 752 It is a colour variant of the Brangus, a hybrid of American Angus and Brahman cattle, and differs from it only in colour.
Polled Holsteins have the dominant polled gene which makes them naturally hornless. The polled gene has historically had a very low gene frequency in the Holstein breed. However, with animal welfare concerns surrounding the practice of dehorning, the interest in polled genetics is growing rapidly. [32]