Lub qhov rooj tua hluav taws tau siv dav hauv thaj chaw tua hluav taws ntawm cov tsev lag luam thiab pej xeem, uas tuaj yeem tiv thaiv kev sib kis ntawm hluav taws thiab ua kom muaj kev nyab xeeb ntawm lub neej thiab khoom. Raws li kev tswj hwm hluav taws xob, lub qhov rooj hluav taws xob yog qhov chaw tshwj xeeb rau kev tiv thaiv hluav taws thiab yuav tsum tsis txhob siv rau lwm lub hom phiaj.