▁cattle ▁origin ated ▁as ▁draft ▁animals ▁on ▁rice ▁far ms . ▁Many ▁are ▁still ▁raised ▁on ▁rice ▁far ms ▁as ▁a ▁secondary ▁activity ▁in ▁small ▁operations ▁of ▁ 1 - 4 ▁cattle ▁at ▁a ▁time . ▁ ▁P igs ▁and ▁ch ick ens ▁are ▁far med ▁intens ively , ▁and ▁their ▁production ▁has ▁grown ▁substantial ly ▁over ▁the ▁past ▁three ▁dec ades . ▁G row th ▁in ▁p oul try ▁production ▁began ▁to ▁grow ▁significantly ▁in ▁the ▁ 1 9 8 0 s ▁and ▁ 1 9 9 0 s ▁with ▁the ▁introduction ▁of ▁fast - fo od ▁f ried ▁ch icken ▁franch ises . ▁P ork ▁production ▁grew ▁by ▁ 2 0 0 % ▁in ▁the ▁ 1 9 8 0 s ▁and ▁over ▁ 5 0 % ▁in ▁the ▁ 1 9 9 0 s . ▁There ▁is ▁a ▁tr end ▁towards ▁the ▁concentration ▁of ▁ch icken ▁and ▁p ig ▁far ming ▁in ▁a ▁smaller ▁number ▁of ▁low - cost ▁produ cers . ▁ ▁The ▁dog ▁meat ▁trade ▁is ▁a ▁major ▁concern ▁for ▁South ▁Korean ▁animal ▁activ ists . ▁Over ▁ 2 ▁million ▁dogs ▁are ▁consum ed ▁each ▁year , ▁with ▁pet ▁dogs ▁being ▁st olen ▁and ▁sold ▁into ▁the ▁trade ▁and ▁killed ▁in ▁brut al ▁ways ▁( e . g . ▁be ating , ▁elect roc ution ) ▁in ▁viol ation ▁of ▁the ▁Animal ▁Prote ction ▁Act . ▁Several ▁thousand ▁c ats ▁are ▁also ▁killed ▁for ▁food ▁or ▁medic inal ▁uses ▁each ▁year , ▁sometimes ▁killed ▁in ▁in hum ane