Lub neej voj voog ntawm nas thiab nas - Txhua yam koj yuav tsum paub

Cov txheej txheem:

Lub neej voj voog ntawm nas thiab nas - Txhua yam koj yuav tsum paub
Lub neej voj voog ntawm nas thiab nas - Txhua yam koj yuav tsum paub
Anonim
Lub neej voj voog ntawm cov ntshauv thiab nits fetchpriority=siab
Lub neej voj voog ntawm cov ntshauv thiab nits fetchpriority=siab

cov ntshauv taub hau yog ib yam kab mob tshwm sim ntau tshaj plaws kab mobnyob rau hauv tib neeg, tab sis lawv tsis yog rau peb, lawv kuj tuaj yeem tshwm sim ntawm peb. tsiaj los yog tsiaj qus, ua rau khaus heev thiab, qee zaum, qee yam kab mob thiab kab mob.

NOJ QAB RAU HAUV PEB LUB SIJ HUG PEB YUAV TAU DAB TSI DUA ZAUB DIATBTS xws li "Yuav ua li cas ib tug leus nyob ?" los yog "Yuav siv sij hawm ntev npaum li cas rau ib tug poj niam pw?"

Kab thiab hom ntshauv

Lice yog kab me me, ntev dua li ib centimeter. Lawv muaj hemimetabolousmetamorphosis, yog, txij li thaum lawv hnia lawv zoo li cov neeg laus. Lawv yog ectoparasites ntawm cov tsiaj thiab noog.

Tseem muaj ob hom ntshauv, the chewers (suborder mallopahga) thiab suckers (suborder anoplura). Lawv txhua tus muaj lub cev flattened, rau ob txhais ceg uas xaus rau hauv claws nrog ib txoj kab uas hla raws li cov plaub hau ntawm hom lawv parasitize, thiab ib khub ntawm antennae. Nqus cov ntshauv muaj lub taub hau me dua lub hauv siab thiab lub qhov ncauj uas lawv tho thiab nqus cov ntshav los ntawm lawv cov tswv. Chewing nab muaj lub taub hau dav thiab lub puab tsaig muaj zog rau zom. Qhov muag tau txo qis los yog tsis tuaj nyob hauv ob pawg. Tag nrho lub cev ntawm cov ntshauv yog them los ntawm setae los yog setae (sensitive daim tawv nqaij qauv).

Sucking lice are obligate hematophagous ectoparasites (feed on blood) of placental mammals. Cov ntshauv zom zaub mov muaj ntau hom kev noj haus, los ntawm cov ntshav mus rau cov plaub hau, plaub, los yog pluab los ntawm cov tsiaj los yog noog. Lawv tsuas mus tsis noj 2 hnub

Lub neej voj voog ntawm cov ntshauv thiab cov qe - Cov yam ntxwv thiab hom ntshauv
Lub neej voj voog ntawm cov ntshauv thiab cov qe - Cov yam ntxwv thiab hom ntshauv

Biological cycle of nab

Txhua hom tsiaj nyeg muaj qhov tshwj xeeb tab sis lub neej zoo sib xws ntawm lawv nrog rau lub sijhawm yug me nyuam, lub neej expectancy thiab txoj kev ua neej. Yog li, poj niam louse lo lawv qe los yog nits ntawm cov plaub mos mos. Cov qe no muaj cov duab sib txawv nyob ntawm hom, tab sis lawv ci thaum lub teeb tsoo lawv thiab pom tau yooj yim, txawm tias yooj yim dua li cov laus. Cov qe qe nyob twj ywm txuas mus rau cov plaub hau thiab siv ob peb hnub gestating. Tom qab txog 7 hnub ntawm gestation, thawj nymph hatches los ntawm lub qe. Qhov no yuav mus dhau ob zaug ntxivnymph theem, txhua qhov kav ntev li ntawm 2 txog 8 hnub, nyob ntawm hom thiab ib puag ncig. Tom qab txhua theem nymph, moult tshwm sim. Peb tuaj yeem paub qhov txawv ntawm tus nymph ntawm tus neeg laus vim tias lawv yuav muaj tsawg dua setae, lawv lub cev tsis zoo li sclerotized (hardened), thiab lawv yuav me dua.

Ib tug poj niam laus tuaj yeem nyob ib ncig ntawm 30 hnub yog tias nws tsis tuag ua ntej los ntawm lwm qhov laj thawj, xws li hnav khaub ncaws lossis lwm yam laj thawj. Yog li txhua 45 hnub ib tiam tshiab tshwm sim, yog li rov pib lub neej voj voog.

Nkauj tawm tshiab 2019-2020

Mating tshwm sim thaum cov ntshauv tau mus txog rau cov neeg laus, kwv yees li ob lub lis piam tom qab hatching lub qe Lub sijhawm ntawd, tus txiv neej nkag mus rau hauv qab. tus poj niam thiab khoov nws lub plab upwards pib copulation. Ib leeg tsawb tuaj yeem tsim dua 10 zaug hauv ib hnub

Puas muaj peev xwm kis tau ntshauv ntawm miv thiab dev mus rau tib neeg?

Cov kab mob taub hau yog lub npe hu ua pediculosis Txhua hom ntshauv feem ntau kis tsuas yog ib pab tsiaj xwb. Piv txwv li, cov dev raug kab mob los ntawm ob hom ntshauv, Trichodectes canis (tom cov ntshauv) thiab Linognathus setosus (nqus cov ntshauv), thaum miv tsuas yog kis los ntawm ib hom (Felicola subrostratus, nqus ntshauv). Tib neeg lub sij hawm peb, tag nrho cov suckers: (Pediculus humanus capitis, Pediculus humanus humanus thiab Pthirus pubis), vim li no, pediculus humanus capitis, Pediculus humanus humanus and Pthirus pubis), vim li no, peb tsis tuaj yeem tau feline lossis canine nab, tsis yog lawv cuam tshuam los ntawm peb cov ntshauv.

Kev kuaj mob pediculosis yog tsim los ntawm kev coj tus tsiaj cov tawv nqaij thiab plaub hau siv daim nplaum nplaum. Qee zaum lawv tuaj yeem pom ntawm qhov muag liab qab. Kev kis mob tshwm sim thaum ob tug tsiaj, ib tug noj qab nyob zoo thiab lwm yam nrog pediculosis, tuaj rau hauv kev sib cuag ncaj qha. Yog xav paub ntxiv, tsis txhob nco cov ntawv no: "Lice in dogs" and "Lice in cats"

Lice tsis yog kab mob yooj yim tshem tawm ntawm peb cov tsiaj. Muaj ntau ntau yam tshuaj thiab ntuj kev daws teeb meem nyob rau hauv kev ua lag luam rau nws cov kev tswj, tab sis koj yuav tsum tau soj ntsuam tias nws tawm tsam ob qho tib si cov nas thiab nas, txwv tsis pub yuav tsis muaj nits tsis muaj ntshauv thiab cov ntshauv lub neej voj voog yuav pib dua. Txawm hais tias nws yog qhov zoo tshaj rau koj mus ntsib koj tus kws kho tsiaj, vim nws tuaj yeem qhia koj txoj hauv kev zoo tshaj plaws los tua cov ntshauv thiab ntau txoj hauv kev los tiv thaiv lawv, vim lawv tuaj yeem kis lwm yam kab mobpeb cov tsiaj los yog ua rau mob ntshav qab zib, tsis qab los noj mov.

Lub neej voj voog ntawm cov nab thiab cov qe - Puas muaj peev xwm kis tau cov nab los ntawm miv thiab dev mus rau tib neeg?
Lub neej voj voog ntawm cov nab thiab cov qe - Puas muaj peev xwm kis tau cov nab los ntawm miv thiab dev mus rau tib neeg?

Kab mob kis los ntawm nab

Cov kab mob uas kis tau los ntawm cov ntshauv yog rickettsiosis, tshwj xeeb tshaj yog hom kab mob typhus thiab yog tsim los ntawm cov kab mob Rickettsia rickettsii.

mob pib nrog mob taub hau thiab kub taub hau, txuas ntxiv nrog ntuav, tsis qab los noj mov, mob plab, lossis photophobia, thiab xaus nrog kev ua pa tsis ua haujlwm hnyav, jaundice, thiab kev koom tes hauv nruab nrab paj hlwb, uas feem ntau ua rau Kev tuag thiab qhov ntawd, tsis muaj kev kho mob, tshwm sim ob lub lis piam tom qab kis kab mob. Nws yog ib tug zoonosis, yog li nws yuav kis tau rau tib neeg, tsis yog los ntawm ib tug nas (vim txhua hom infests ib pab pawg neeg ntawm cov tsiaj, raws li peb hais) tab sis los ntawm fleas los yog zuam. Yog xav paub ntxiv, tsis txhob nco cov ntawv "Rickettsia hauv dev - Cov tsos mob thiab kev kho mob"

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