What is Bull?
A '''bull''' is the [[adult]] [[male]] member of the species [[Cattle|''Bos taurus'']]. It is in the [[Bovid|Bovidae]] family (Cattle, [[Domestic goat|Goats]], [[Domestic sheep|Sheep]]). They are [[Muscle|muscular]] and [[Aggression|aggressive]] like a cow, who is the adult female member of the species ''Bos taurus''. This animal is also classified as a [[Pet|pet animal]] and a [[Livestock|farm animal]]. A bull is [[Halal]]. [[File:Taureau charolais au pré.jpg|thumb|A Charolais bull]] The bull has long been an important [[symbol]] in many [[Culture|cultures]], and plays a large role in [[beef]] [[Ranch|ranching]], [[dairy farming]]. They are also important in other cultural activities, including [[bullfighting]] and bull riding. The management of cattle in hot and cold climates is a popular thing. The physiological and behavioral changes induced in these animals compromise their [[welfare]], [[Breed|breeding]], [[health]], zootechnical performance, resulting in final products ([[Gamete|gametes]], [[milk]], [[meat]]) with unsatisfactory characteristics.<ref>{{cite journal |last1=de Castro Júnior |first1=Sérgio Luis |title=The specific enthalpy of air as an indicator of heat stress in livestock animals |journal=International Journal of Biometeorology |year=2021 |volume=65 |issue=2 |pages=149–161 |doi=10.1007/s00484-020-02022-8|pmid=32968875 |s2cid=221861063 }}</ref> As with other [[Animal|animals]], some bulls have been kept as pet animals.<ref>{{cite web|last1=Capretto|first1=Lisa|title=The Unusual Pet That Upset Charo's Neighbors (Video)|url=https://www.huffingtonpost.com/2014/06/10/charo-pet-upset-neighbors_n_5476134.html|website=Huffington Post|accessdate=10 January 2018|date=10 June 2014}}</ref> ==Life== The bull semen market is very lucrative. Animal agriculture forcefully breeds animals to have what it considers the best traits for food production. In 2011, the U.S. exported $124.7 million worth of bull semen to other nations, representing 32 percent of the global market. In February 2019, an Angus bull n