Yuav ua li cas Artificial insemination ua tiav hauv nyuj?

Tsis muaj bulls tshwj xeeb chaw ua liaj ua teb, thiab lub caij mating txhua xyoo yuav muaj nplooj siab xav coj cov txiv hmab txiv ntoo zoo tshaj plaws los muab kev pabcuam mating. Mis nyuj kuj muab faib ua bulls thiab nyuj. Cov nyuj feem ntau khaws cia rau cov kua mis. Ntxiv rau qhov tawm ntawm ob peb lub zog thiab tsis muaj kab mob yug nyuj, tus so yog kho li nyuj nyuj.

Nyuj tsim mis nyuj, mis nyuj ua mis hmoov. Bulls yog siv rau mating, thiab cov neeg ua hauj lwm ua liaj ua teb yuav tsum xyuas kom meej tias txhua tus nyuj yog mis txiag, vim hais tias tsuas yog tom qab fertilization tus nyuj tsim mis nyuj. Tam sim no, cov khoom noj mis nyuj feem ntau siv cov khoom siv fertilization los txhawb cov nyuj cov mis nyuj ntau lawm, yog li cov txiv neej cov mis nyuj yog qis dua, feem ntau yog siv los noj, xws li mis nyuj steak.

Tus nqi insemination yog siab heev, nws puas yuav ua mob rau nyuj?

Raws li cov txiaj ntsig ntawm thev naus laus zis, cov chaw ua liaj ua teb tam sim no siv cov khoom siv dag zog los xyuas kom meej lub tswv yim ntawm nyuj. Khoom cuav insemination ntawm nyuj nyuj yuav tsis ua mob rau nyuj.

  Yuav ua li cas nyuj undergo artificial insemination?

  Cov teeb meem xav tau kev saib xyuas hauv kev siv tshuaj tua kab mob :

• Kov cov follicles paub tab thiab inseminating thaum ovulation yog imminent los yog cia li ovulated yuav ua rau ib tug siab fertilization.
• Ua ntej thiab thaum lub sij hawm tsim khoom tsim, kev ua kom huv ntawm nyuj Yin yuav tsum tau khaws cia, thiab kev ziab thiab kev tu cev ntawm cov khoom siv insemination yuav tsum tau khaws cia (cov ntaub ntawv pov tseg pov tseg yuav tsum tau siv sab nraum rab phom insemination).
• Uterine raug mob thiab los ntshav yog teeb meem rau kev ciaj sia ntawm cov phev thiab fertilized qe, thiab kev raug mob yuav tsum tau zam kom deb li deb li sai tau. Nws tuaj yeem siv los ua cov roj nplua nyeem uas tsis muaj kev phom sij rau cov phev thiab tsis ua rau qhov chaw mos mucus.
• Thaum cov spermatozoon nyob ze rau ntawm lub qhov ncauj sab nraud ntawm lub ncauj tsev menyuam, rub tes ntawm lub ncauj tsev menyuam mus rau qhov chaw mos kom nws ze rau pem hauv ntej kawg ntawm cov phev, es tsis txhob thawb cov phev mus rau lub tsev menyuam. Cov cuab yeej insemination yuav tsum tau muab tso rau hauv lub tsev menyuam ntawm lub tsev menyuam raws li qhov kev xav ntawm tus ntiv tes.
• Thaum lub hauv ntej kawg ntawm cov spermatozoon dhau los ntawm lub ncauj tsev menyuam kab rov tav thiab irregularly teem nyob rau hauv folds, kev khiav hauj lwm kev txawj ntse ntawm kev hloov mus rau pem hauv ntej ntawm tus spermatozoon, rub rov qab, viav vias thiab dov yuav siv tau los ua rau pem hauv ntej kawg ntawm tus spermatozoon hla lub lub ncauj tsev menyuam smoothly. Nws yog nruj me ntsis txwv tsis pub nkag mus los ntawm nyuaj insemination ntawm spermatozoa.

Cov nyuj tuaj yeem raug inseminated nrog ib lossis ntau qhov tshwm sim hauv qab no:

Lub sij hawm estrus feem ntau yog nyob nruab nrab ntawm lub estrus lig thiab qhov kawg ntawm estrus. Nws yog qhov tsim nyog rau inseminate ze rau qhov kawg ntawm cov tsos mob estrus hauv nyuj. Lub sijhawm rau lub zes qe menyuam kom muaj menyuam hauv vivo tsis ntau tshaj 12 teev.

Yog li ntawd, nyob rau hauv 12 teev tom qab ovulation, cov phev yuav tsum mus txog qhov chaw fertilization (oviduct ampulla). Ovulation ntawm nyuj feem ntau kav li 3 mus rau 15 teev tom qab qhov kawg ntawm cov tsos mob estrus, thiab lub sij hawm ceev tshaj plaws rau cov phev mus txog oviduct ampulla tsuas yog 2 mus rau 15 feeb. Yog li ntawd, qhov ze rau qhov kawg ntawm cov tsos mob ntawm estrus rau kev tsim insemination, qhov siab dua qhov fertility ntawm nyuj.

• Nyob rau hauv nruab nrab thiab lig theem ntawm estrus, tus nyuj nkag los ntawm lub receptive theem mus rau lub "sawv" theem, li ntawm 6 mus rau 8 teev ua ntej ovulation. Feem ntau, thaum sawv ntxov, nyuj raug pom los ua niam txiv nyob rau yav tav su ntawm hnub sawv estrus, thiab thaum tav su, nyuj raug pom los ua niam txiv thaum sawv ntxov hnub tom qab sawv estrus.
• Kev ntsuam xyuas qhov quav pom tau tias cov follicles tau paub tab, phab ntsa ntawm cov follicles ua thinner thiab muaj kev nkag siab ntawm rupture.
• Lub qhov ncauj yog liab thiab o, thiab cov hnoos qeev yog pob tshab thiab nplaum zoo li.
• Cov ntsiab lus ntawm progesterone hauv skim nyuj haus yog tsawg dua 1.2 ng / ml los ntawm cov khoom siv enzyme immunoassay.

Kev tso cov vas deferens rau hauv qhov tob ntawm lub ncauj tsev menyuam feem ntau yuav tsum tau nyob ntawm qhov chaw ntxig, uas yog li 5-8 cm ntawm lub ncauj tsev menyuam. Txawm li cas los xij, tsis muaj qhov sib txawv tseem ceeb hauv kev xeeb tub ntawm qhov sib sib zog nqus ntawm lub ncauj tsev menyuam, lub tsev menyuam lub cev lossis cov ces kaum ntawm lub tsev menyuam ntawm sab ovulation.

Tam sim no, nyuj nyob rau hauv cov khoom noj mis nyuj feem ntau muaj estrus thaum sawv ntxov thiab muaj lawv thawj insemination ntawm 4 mus rau 5 teev tsaus ntuj thiab txiav txim siab seb puas yuav inseminate dua nyob rau yav sawv ntxov raws li qhov xwm txheej ntawm ovulation. Yog hais tias tus nyuj estrus nyob rau yav tav su, thawj insemination thaum sawv ntxov thiab thib ob insemination nyob rau yav tav su yog xam raws li qhov xwm txheej. Feem ntau cov chaw ua liaj ua teb tam sim no inseminate ib zaug xwb.

Kev txiav txim cev xeeb tub:

Kev kuaj mob ntxov kom raug yuav txo tau pub poob, txiav txim siab lub sij hawm xeeb tub, xam lub sij hawm xa tuaj thiab teem caij lub sij hawm mis nyuj qhuav. Los ntawm 21 mus rau 24 hnub tom qab fertilization, lub corpus luteum tsis zoo ntawm 2.5 3 cm tau kov, qhia tias 90% ntawm cov poj niam yuav xeeb tub. Ob lub cev xeeb tub tau kuaj pom 60 hnub tom qab fertilization thiab 180-210 hnub tom qab fertilization. Thawj yog kom paub meej tias tus me nyuam hauv plab thiab qhov thib ob yog los xyuas kom tus me nyuam hauv plab. Cev xeeb tub 28 lub lis piam, fetus yuav loj hlob ruaj khov.