Nyob rau hauv txhua txhua hnub lub neej, neeg yog accustomed mus rau lub npe ntawm cov noog raws li ib tug broiler yug, tab sis tsis muaj ib qho xws li nyob rau hauv science. Nyob rau hauv kev tshawb fawb, broilers yog hu ua crosses. Hla los yog broilers yog sib tov ntawm ntau hom qaib uas tau absorbed qhov zoo tshaj plaws zoo thiab muab pov tseg tag nrho cov phem zoo. Txhua xyoo qhov kev xav tau rau cov nqaij yog tas li loj hlob vim qhov nce hauv tus naj npawb ntawm cov neeg ntawm cov ntiaj chaw.
