Cov txheej txheem ntawm kev ua kom cov hniav puas mob qis dua qhov mob hniav. Txawm li cas los xij, yuav luag txhua tus menyuam yaus muaj qhov tsis xis nyob. Muaj qee zaus, mob hnyav hnyav muaj peev xwm ua tau - ua npaws, mob hnyav lossis los ntshav ntawm cov pos hniav. Hloov cov hniav mis rau hniav puas yog qhov txheej txheem ntawm lub cev.
Thaum cov mis nyuj cov hniav raug hloov mus ua hniav
Cov txheej txheem hloov cov hniav mis yog tus neeg. Nws pib ntawm lub sijhawm sib txawv. Qee lub sij hawm nws txawm cab rau qhov loj. Thawj hniav puas nthuav, raws li txoj cai, ze rau 5-6 xyoo. Nws yog nyob rau lub sijhawm no uas feem ntau ntawm cov menyuam yaus tau poob qis ntawm qhov qis dua. Cov hniav yuav hloov pauv ze li 10-12 xyoos.
Kev kho cov mis nyuj cov hniav yog nqa tawm yam tsis siv ntawm lub laum. Kev daws nyiaj tshwj xeeb yog siv los tiv thaiv cov hniav puas lossis kab mob.
Qhov kev zam ntawm qhov no yog cov hniav txhab, uas tuaj yeem tawg thaum muaj hnub nyoog. Cov neeg laus feem ntau raug kev txom nyem los ntawm qhov no. Nws ntseeg tau tias txoj kev no yog ib qho mob ntau tshaj plaws. Nws tuaj yeem nrog cov kev hloov sai li sai tau ntawm lub cev kub, mob hnyav, thiab o ntawm cov pos hniav lossis sab plhu.
Nws yuav tsum raug sau tseg tias tsis yog txhua qhov mis nyuj ua tau tsim los. Rau cov laus, 32 cov hniav yog suav tias yog tus cai, thiab menyuam yaus hnub nyoog 6 xyoo tsis muaj ntau dua 20. Qee lub sijhawm muaj kev zam, tab sis qhov no tsis yog qhov ua rau muaj kev txhawj xeeb.
Hauv qee tus menyuam yaus, cov txheej txheem hloov pauv hniav mis pib thaum muaj hnub nyoog 4 xyoos, tab sis qhov no tsis txhais tau tias cov hniav puas yuav loj hlob sai. Hnov nrawm nrawm tau nrawm lossis qeeb qeeb ib pliag. Yog tias thaum hnub nyoog ntawm 13-14 tus menyuam tseem muaj mis hniav lossis cov hniav puas nyob hauv qhov mob sai sai tsis muaj tshwm sim hauv cov chaw pub dawb, tom qab ntawd nws yog qhov yuav tsum tau sab laj nrog cov kws tshaj lij. Qee zaum tus menyuam cov hniav raug rho tawm. Qhov no yog qhov tseeb tshwj xeeb ntawm cov xwm txheej ntawd thaum cov hniav cuav pib loj "hla" lossis hauv qab mis.
Kev nyiam huv hauv qhov ncauj thaum cov hniav puas
Kev loj hlob ntawm tus menyuam cov hniav yuav tsum tau saib xyuas. Kev saib xyuas tshwj xeeb yuav tsum tau them nyiaj rau cov txheej txheem ntawm qhov tawg ntawm cov hniav puas. Cov niam txiv yuav tsum nkag siab tias txhua qhov tsis xws tshwm sim hauv lub sijhawm no tuaj yeem ua rau lub neej tsis ntev, thiab nws yuav nyuaj rau kho lawv qhov tsis zoo thaum hnub nyoog me.
Mob ntsws ntawm cov mis nyuj cov hniav yog kho nrog arsenic sib tov. Kev siv ntawm kev sau tus qauv hauv qhov no yog cais tawm.
Kev tu lub qhov ncauj kom huv yog qhov yuav tsum tau ua ua ntej kom muaj kev loj hlob thiab muaj zog hniav puas. Tus me nyuam yuav tsum tau qhia kom huv si, tswj xyuas thaum sawv ntxov thiab yav tsaus ntuj, thiab qhia tus menyuam rau tus kws tshaj lij.
Kev poob ntawm cov hniav mis tuaj nrog los ntawm kev puas tsuaj rau cov pos hniav. Khoom noj muaj peev xwm nkag tau rau hauv qhov txhab qhib, uas yuav ua rau tsis xis nyob lossis mob rau tus menyuam. Ntxiv rau, nyob rau lub sijhawm no, muaj qhov tshwm sim ntau ntawm kev kis qee hom mob.
Txoj hauv kev zoo tshaj plaws los tiv thaiv koj tus kheej los ntawm kab mob pos hniav yog yaug koj lub qhov ncauj nrog cov kev daws teebmeem tshwj xeeb lossis tshuaj ntsuab. Nws yog qhov zoo dua rau sab laj nrog kws kho hniav menyuam yaus ua ntej siv lawv.
