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A Senepol bull. The Senepol breed of beef cattle was developed on the Caribbean Island of St. Croix.It has long been thought that Senepol originated from just crosses between N'Dama cattle, imported in the late 19th century, and Red Poll cattle, but it is actually an admixed breed that consists of Red Poll, N'Dama, Criola and a trace amount of Zebu.
Various pathologies which can be caused by heat stress, many specific to cattle. [2] As of 2009, there were 1.2 billion cattle in the world, with around 82% in the developing countries; [50] the totals only increased since then, with the 2021 figure at 1.53 billion. [51]
However, the breed that is used most often in the meat industry is Pirenaica. [4] Of all of the breeds used in meat production in this region, this is the only breed that is completely native to the Basque Country. [3] Dairy cattle are present in 17% of Basque farms. These animals are the only type of livestock in the Basque Country that must ...
Bull at a livestock show. 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 ...
Farms often use artificial insemination, the artificial deposition of semen in the female's genital tract; this allows farmers to choose from a wide range of bulls to breed their cattle. Estrus too may be artificially induced to facilitate the process. [17] Copulation lasts several seconds and consists of a single pelvic thrust. [18]
Sahiwal cattle is a breed of Pakistani zebu cow, named after the Sahiwal district of Pakistan. [2] [3] The cattle is mainly found in Punjab province of Pakistan, and Indian states of Punjab, Haryana, and Rajasthan. Sahiwal is considered a heat-tolerant cattle breed. [4]
Estrous synchronisation is the process of targeting female mammals to come to heat within a short time frame (36 to 96 hours). This is achieved through the use of one or more hormones. Methods to improve our ability to synchronize the reproductive process and result in the ‘timed insemination’ without the detection of heat have been developed.
Since most of the herd bulls have left the herd by this time of year, the breeding is usually done by the younger satellite bulls. After this phase the rut is over, most bulls will leave the cows and form bachelor herds to spend the winter with; however young bulls will usually remain with the cows throughout the winter. [14]