<P> Some of Australia's best bull riders travel and compete internationally in Canada, New Zealand and the United States . Some of Australia's leading bull riders conduct bull riding clinics to assist learners and novice riders . </P> <P> A World Challenge of Professional Bull Riders (PBR) was held on 29 May 2010 at the Brisbane Entertainment Centre (BEC). The 2010 PBR Finals were held over two nights at the Australian Equine and Livestock Events Centre (AELEC), with five top - ranked professional bull riders from the United States and 25 of Australia's best bull riders contesting the event . </P> <P> Rodeo is also popular in country regions of New Zealand where approximately 32 rodeos, which include bull riding contests, are held each summer . </P> <P> There is debate between animal rights / welfare organizations and bull riding enthusiasts over many aspects of the sport . One source of controversy is the flank strap . The flank strap is placed around a bull's flank, just in front of the hind legs, to encourage bucking . Critics say that the flank strap encircles or otherwise binds the genitals of the bull . However, the flank strap is anatomically impossible to place over the testicles . Many point out that the bull's genes are valuable and that there is a strong economic incentive to keep the animal in good reproductive health . Further, particularly in the case of bulls, an animal that is sick and in pain usually will not want to move at all, will not buck as well, and may even lie down in the chute or ring rather than buck . </P>

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