▁out ▁by ▁Mary ▁Ray . ▁A ▁shift ▁in ▁the ▁emphas is ▁of ▁the ▁Kenn el ▁Club ▁led ▁to ▁the ▁establishment ▁of ▁the ▁Disc over ▁D ogs ▁display ▁encourag ing ▁responsible ▁dog ▁ownership ▁in ▁ 1 9 9 4 , ▁and ▁Res cue ▁Dog ▁Ag ility ▁in ▁ 2 0 0 0 . ▁ ▁By ▁ 1 9 7 9 , ▁the ▁show ▁had ▁to ▁be ▁moved ▁to ▁Ear ls ▁Court ▁exhibition ▁centre ▁as ▁the ▁increasing ▁number ▁of ▁entries ▁and ▁spect ators ▁had ▁out g rown ▁the ▁capacity ▁of ▁its ▁previous ▁ven ue . ▁So on , ▁the ▁show ▁had ▁to ▁be ▁changed ▁again ▁– ▁the ▁duration ▁had ▁to ▁be ▁increased ▁to ▁three ▁days ▁in ▁ 1 9 8 2 , ▁then ▁again ▁in ▁ 1 9 8 7 ▁to ▁four ▁days ▁as ▁the ▁popular ity ▁continued ▁to ▁increase . ▁Since ▁ 1 9 9 1 , ▁the ▁show ▁has ▁been ▁held ▁in ▁the ▁National ▁Ex hib ition ▁Centre , ▁B irmingham , ▁the ▁first ▁time ▁the ▁show ▁had ▁moved ▁out ▁of ▁London ▁since ▁its ▁in ception . ▁ ▁It ▁was ▁also ▁at ▁the ▁Cent en ary ▁celebr ations ▁in ▁ 1 9 9 1 ▁that ▁Cru ft s ▁was ▁officially ▁recogn ised ▁by ▁the ▁Gu in ness ▁Book ▁of ▁Records ▁as ▁the ▁world ' s ▁largest ▁dog ▁show ▁with ▁ 2 2 , 9 7 3 ▁dogs ▁being ▁exhib ited ▁in ▁con formation ▁classes ▁that ▁year . ▁In cluding ▁ag ility ▁and ▁other ▁events , ▁it ▁is ▁estimated ▁that ▁an ▁average ▁ 2