Zoo. Kev xaiv tus neeg muag khoom - koj tuaj yeem rub tau qee cov tshuaj ntxuav tais diav lossis tshuaj zawv plaub hau thiab ntxiv me ntsis rau cov dej sawv ntsug kom tua cov yoov tshaj cum nyob hauv ib hnub. Tiag tiag, tshuaj ntxuav tes yuav ua haujlwm.
Cov tshuaj ntxhua khaub ncaws puas tua yoov tshaj cum?
Tshuaj yoov tshaj cum
Zoo xab npum hauv dej kuj tau raug pov thawj los tua yoov tshaj cum. … Rau lub hom phiaj no, 1/16 teaspoon ntawm cov tshuaj ntxuav tais diav los yog tshuaj zawv plaub hau ib nkas loos dej yuav tsum ua haujlwm li ntawm ob hnub.
Puas xab npum tua larvae?
Detergent tov nrog 0.12, 0.14, 0.16, 0.18, 0.20, 0.22 thiab 0.24 g / l concentration yog muaj peev xwm tua Aedesaegypti larvae li highas 37.2%, 42.4%, 74.4%, 85.6%. 89.6%, 95.2% thiab 100%, feem. Cov tshuaj ntxuav tau ntau dua muaj peev xwm tua tau cov larvae ntau dua.
Yuav ua li cas cov tshuaj ntxuav tais diav tua yoov tshaj cum?
xab npum ntxuav tais diav yog lwm qhov kev xaiv zoo rau kev tua yoov tshaj cum. Txoj kev uas lawv ua hauj lwm yog zoo nkauj npaum li ob pronged: xab npum nws tus kheej yog tshuaj lom rau ntau kab thiab larvae . Cov roj hauv xab npum npog cov dej thiab ua rau cov larvae suffocates.
Yuav tshuaj ntxuav tes tua yoov tshaj cum?
Nws yooj yim heev los tua yoov tshaj cum nrog xab npum vim tsuas yog ib milliliter ntawm xab npum nkaus xwb rau txhua nkas loos dej. Ntxiv milliliter ntawm xab npum thiab yoov tshaj cum yuav tua tau nyob rau hauv tsawg li ib hnub.
