β-agonists residue elisa khoom siv
Khoom sim
Tsiaj cov ntaub so ntswg (nqaij qaib, nqaij nyug, mutton, zis (npua teb, sib tsoo), pub, mis nyuj thiab mis nyuj hmoov.
Nrhiav kom tau txwv
Cov zis, mis nyuj: 0.3ppb
Cov ntaub so ntswg: 0.5ppb
Serum: 0.4pb
Mis Hmoov Noj: 1PPB
Pub: 5PPB
Sau koj cov lus ntawm no thiab xa mus rau peb