Vim muaj kev sib tw hnyav hauv kev ua lag luam pub khoom noj thiab kev hloov pauv ntawm tib neeg lub tswv yim yug me nyuam, kev ua lag luam xav tau rau npua loj pub yog maj mam hloov mus rau hauv pellet pub los ntawm kev siv cov hmoov nplej yav dhau los. Txhawm rau txhim kho kev sib tw ntawm cov khoom noj khoom haus, kev tswj hwm tus nqi pub khoom noj yog qhov tseem ceeb tshwj xeeb.
Yog li ntawd, kev ua tau zoo ntawm cov pellet zeb ua ib qho tseem ceeb ntawm kev tswj tus nqi pub. Kev sib piv ntawm cov mis tib yam: cov ntsiab lus ntawm pob kws hauv cov mis yog li 65%, cov khoom xyaw protein hauv cov mis yog li 34%, cov zaub mov thiab lwm yam txog 1%.
