Kev tiv thaiv kab tshuam kab hom - tshuaj lom kab

- May 20, 2019-

Tshuaj tivthaiv kabmob tshuaj yog txoj kev khwv nyiaj pheej yig rau cov kabmob loj loj. Tshem faj seeb rau kev nyab xeeb thaum siv los tiv thaiv tib neeg thiab tsiaj txhu lom. Tshuaj tiv thaiv cov tshuaj tua kab mob tuaj yeem muab faib ua cov tshuaj lom thiab cov tshuaj lom.

Cov kabmob hom kabmob: Muaj ob hom kabmob plab (rodenticides) uas tam sim no siv, cov kabmob mob ntev thiab ntev. Tus kabmob nrawm lossis cov yeeb tshuaj sai sai uas ua haujlwm ib zaug xwb. Cov nas ntev, lossis cov yeeb tshuaj qeeb, uas siv li ob peb hnub rau kev siv cov nyhuv tseem ceeb, feem ntau siv hauv cov qus, thiab tom kawg yog siv nyob hauv thaj chaw.


(1) Zinc phosphide: Nws yog ib qho hmoov grey nrog ib qho paj zoo kawg li qej, tsis muaj dej hauv dej, thiab lipophilic. Nws ruaj khov thaum qhuav, tab sis maj mam decomposes tom qab raug ntub. Thaum nws reacts nrog muaj zog inorganic acid, nws reacts sai thiab tso cov roj phosphine. Ua qhov tseem ceeb nyob rau hauv lub paj hlwb thiab txav metabolism. Tom qab lom, qhov qab los noj mov tsis tau lawm, qhov kev ua si tsawg, thiab hind limbs feem ntau tuag tes tuag taw thiab thaum kawg tuag. Yoojyim ua yeeb yam, yog siv yeeb tshuaj sai. Qhov concentration ntawm kab nuv ntses yog feem ntau 2% rau 5%. Cov toxicity ntawm cov khoom no tsis muaj zog, thiab nws yog zoo li tib neeg, nqaij qaib thiab tsiaj txhu, thiab yog zoo li cov nas. Yog li, kev nyab xeeb yuav tsum them nyiaj rau. Thaum tus nas tsis tuag rau thawj zaug, nws tsis yooj yim yog tsis kam noj thiab yuav tsum tsis txhob siv tas li.


(2) Tetramine phosphorus: Cov khoom no yog cov hmoov dawb lossis siv lead ua, nws nyuaj rau yaj, tsis muaj ntxhiab tsw, thiab nws ruaj khov hauv lub xeev qhuav. Nws cov tshuaj toxicological tseem ceeb yog ua rau inhibit nqaij tawv thiab intracellular cholinesterase, uas yog cov tshuaj lom heev rau cov nas thiab tsis xaiv. Cov nas tsuag tau qhov tshuaj lom rau 4 rau 6 teev thiab tuag hauv 10 teev. Lub tetramine ntawm tetramine tau zoo hauv cov nas, thiab nws tsis yog cuab kev thaum nws tau ntsib dua. Nws zoo dua rau ob qho chaw thiab cov nas.


Cov tshuaj lom neeg phosphorus kuj yog cov tshuaj lom neeg thiab tsiaj txhu, thiab qhov tshuaj lom rau cov qaib mas qaug zog heev. Tab sis nws yog heev zog rau ducks thiab geese. Them rau kev nyab xeeb thaum siv. Qhov concentration ntawm lub tetramine nyob rau hauv cov nas tsuag yog 0.5% rau 1.0%, thiab voles yuav tau nce rau 1% mus 2%.


(3) Warfarin: Cov khoom no yog dawb Crystal, nyuaj yaj rau hauv dej, tsis tov ua kua dej los ua kua roj (sodium salt). Nws yog odorless, tasteless thiab ruaj khov. Nws yog qhov feem ntau siv cov tshuaj tua kabmob (anticoagulant rodenticide) nyob rau hauv lub ntiaj teb thiab yog ib hom tshuaj lom neeg.


Tus kab mob warfarin virulence yog ze rau tus naj npawb ntawm koob tshuaj. Noj cov tshuaj ib zaug, tsuas yog thaum lub koob tshuaj loj heev tuaj yeem ua rau tuag taus; thaum noj ntau zaus, txawm hais tias tag nrho koob tshuaj ntawm txhua koob tshuaj tsawg dua qhov kev tuag ntawm ib koob, nws yuav ua rau tus nas tuag taus. Nws tsuas yog txav cov ntshav coagulation peev xwm ntawm cov nas, thiab ua puas rau cov hlab ntsha, ua rau sab hauv los ntshav, ua rau muaj ntshav, ntshav poob, thiab thaum kawg tuag. Nws ua haujlwm maj mam, feem ntau 4 rau 6 hnub tom qab noj tshuaj, thiab ob peb tus neeg tuaj yeem muaj ntau tshaj 20 hnub. Nce qhov tshuaj tsis txo kev tuag.


Vim tias qhov qis tsis txaus ntawm warfarin, qhov palatability zoo, qhov tshuaj yaug tau yoojyim tau txais los ntawm cov nas tsuag, thiab cov nyhuv qeeb, tsis ua kom muaj kev tiv thaiv, thiab qhov tshwm sim feem ntau zoo. Txawm li cas los xij, tus nqi ntawm cov khoom noj yuav tsum siab tshaj cov tshuaj tua kab mob, thiab lub sij hawm pub mis yuav tsum tsis pub luv tshaj 5 hnub.