Cov npua ua plaub ua rau cov nplais tawg hauv pem teb, tsim kom muaj kev txhawb nqa tau sai thiab kis ntawm cov kab mob sib kis, thiab nws txo qis kev noj qab haus huv thiab kab mob ntawm cov npua. tsis tsuas yog cuam tshuam rau cov nqaij npuas zoo, tab sis kuj nce qhov tsis kam ntawm cov thawj pathogens thiab hloov cov kab mob tshiab. Yog li, nws yog qhov tsim nyog los xaiv cov khoom siv sib txuas ua ke nrog cov nplais kom yooj yim rau cov xau thiab lub paug nyias tab sis muaj zog board.
