Nyuj hlau nplaum feem ntau yog siv los tiv thaiv kab mob hauv nyuj.Cov kab mob kho vajtse yog tshwm sim los ntawm nyuj tsis txhob txwm noj hlau xws li cov rau tes, staples thiab baling hlau, thiab tom qab ntawd cov hlau nyob hauv qhov reticulum.Cov hlau tuaj yeem hem tus nyuj nyob ib puag ncig lub cev tseem ceeb thiab ua rau khaus thiab mob hauv plab.Tus nyuj poob nws qab los noj mov thiab txo cov kua mis tawm (cov nyuj mis nyuj) lossis nws lub peev xwm nce qhov hnyav (feeder stock).Nyuj hlau nplaum pab tiv thaiv cov kab mob kho vajtse los ntawm kev nyiam cov hlau tsis huv los ntawm cov quav thiab cov crevices ntawm rumen thiab reticulum.Thaum siv tau zoo, ib tus nyuj hlau nplaum yuav kav tus nyuj lub neej.