▁used ▁in ▁Br um by ▁training ▁cam ps ▁by ▁organis ations ▁that ▁promote ▁positive ▁interaction ▁between ▁trouble d , ▁high - ris k ▁youth s . ▁These ▁cam ps ▁usually ▁last ▁several ▁weeks , ▁allowing ▁youth s ▁to ▁train ▁a ▁wild ▁Br um by ▁to ▁become ▁a ▁quiet , ▁willing ▁s addle ▁horse ▁while ▁impro ving ▁the ▁youth s ’ ▁self - este em . ▁ ▁Wild ▁Br umb ies ▁are ▁also ▁used ▁in ▁the ▁Br um by ▁catch ▁and ▁handle ▁event ▁in ▁stock man ' s ▁challenge ▁compet itions , ▁where ▁rid ers ▁are ▁required ▁to ▁catch ▁a ▁free ▁running ▁Br um by ▁from ▁their ▁horse ▁within ▁a ▁time ▁limit ▁of ▁a ▁few ▁minutes . ▁Section al ▁points ▁are ▁awarded ▁for ▁the ▁stock man ' s ▁challenge ▁for ▁care ▁and ▁skill ▁in ▁catch ing ▁the ▁Br um by ▁and ▁their ▁ability ▁to ▁teach ▁them ▁to ▁lead . ▁These ▁demand ing ▁challeng es ▁for ▁rid ers ▁are ▁held ▁in ▁New ▁South ▁Wales ▁at ▁Dal get y , ▁Tam worth ▁and ▁M urr ur und i ▁plus ▁The ▁Man ▁From ▁Snow y ▁River ▁Challenge ▁in ▁Cor ry ong , ▁Victoria . ▁Several ▁New ▁South ▁Wales ▁show ▁soci eties , ▁including ▁Wal cha , ▁Bell ingen ▁and ▁Dor r igo , ▁hold ▁special ▁classes ▁for ▁registered ▁Br umb ies ▁at ▁their ▁annual ▁agricult ural ▁shows . ▁ ▁Environment al ▁impact ▁ ▁H ors es ▁were ▁first ▁described ▁as ▁p ests ▁in ▁Australia ▁in ▁the ▁ 1 8 6 0 s . ▁Their ▁environmental ▁impact ▁may