Tsiaj txhu

Pub cov phom thiab tej yam mob ntawm kev kub nyhiab

Lub nyuj-txiag yog lub hauv paus jewel ntawm tsiaj husbandry.

Ib tug heev nyuj nyob rau hauv ntau txoj kev pom zoo qhov tsim tau ntawm nqaij nyuj thiab nqaij nyuj.

Cov cai yooj yim rau kev xaiv ntawm cov nyom muag khoom

Qhov xaiv ntawm gobies yog nqa tawm nyob rau hauv ob cov lus qhia: thawj yog kab, ob yog tsev neeg. Tus essence ntawm cov cheeb tsam no yog raws li nram no:

  1. Kab. Tsuas yog qhov zoo tshaj plaws bulls yog siv, uas yog hu ua manufacturers.
  2. Tsev neeg. Lub tsev menyuam nrog tus nqi ntau tshaj plaws yog xaiv thiab tsev neeg raug tsim los ntawm lawv.

Koj puas paub? Tus loj tshaj nyuj yog cov chianine lossis porcelain phaw. Cov neeg laus nws hlob mus txog 1 m 80 cm ntawm lub withers nrog ib tug qhov ceeb thawj ntawm ntau tshaj ib tug ton.
Qhov feem ntau yog siv txoj kev xaiv ntawm kab, xaiv qhov zoo tshaj plaws bulls.

Lub ntsiab kev xaiv ntawm cov kab no yog:

  • pab pawg neeg raws li "txiv" thiab "niam". Piv txwv, tus "niam" yog siv rau tsawg kawg plaub tug neeg, muaj ib tug tsim nrog cov txiv hmab txiv ntoo nrog cov qoob loo ntawm tsawg kawg 150% ntawm cov qauv ntsuas ntawm nws cov yug thiab ib qho roj muaj tsawg kawg yog 0.2% ntawm cov qauv. Thiab lub nyuj-txiag los ntawm "leej txiv" leej twg muaj kev zoo siab, nws cov "ntxhais", raws li cov mis nyuj tawm, yuav mus rau A1 qeb thiab, raws li cov ntsiab lus roj ntawm cov mis, rau pawg yug me nyuam. Thiab nyob rau tib lub sijhawm nws yuav tsum tau muaj tus cwj pwm zoo zoo thiab ib qho kev cai lij choj ntawm yam tsawg kawg yog 27;
  • kev ua tau zoo thiab kev muaj peev xwm ntawm txoj kev loj hlob. Cov ntsuas no yog ntsuas los ntawm kev ua neej thaum lawv tuaj rau hauv lub ntiaj teb, thaum lawv raug xa mus rau ib lub tsev me, thiab tom qab ntawd ces txhua txhua lub hlis. Thaum nws muaj ib xyoos - lawv tau ua tiav ib txoj kev tsim nyog, uas tshwj xeeb mloog yog them rau cov tsos thiab tsim ntawm ib tug heev nyuj - nws yuav tsum muaj ib txoj cai tswj hwm thiab muaj kev sib haum xeeb;
  • Qhov zoo ntawm cov phev. Kwv yees thaum tus cawv hloov 12-14 lub hlis. Qee cov cai raug txwv rau ntawm cov noob, uas nws yuav tsum tau ua raws li:

KuajYuav tsum tau ua
VolumeTsawg kawg 2 milliliters
Pawg zog+++
Mus tom ntej70%
Kev ceevTsawg kawg yog 600,000 phev ib milliliter
Qhov feem pua ​​ntawm cov phev deformedTsawg dua 20%

  • zoo ntawm offspring. Nws kuj tau soj ntsuam thaum tus tsiaj yog ib xyoos. Ejaculate nyuj seeding ob los yog peb lub kaum os. Yog hais tias ntau tshaj ib nrab ntawm cov nyuj yog fertilized, lub nyuj xaiv. Cov tub ntxhais hluas ntawm cov thooj nyaj yog soj ntsuam kom zoo thaum lawv muaj ib nrab thiab ib nrab xyoo. Pawg neeg tus nqi ntawm tus neeg tsim khoom yog txiav txim siab los ntawm qhov sib txawv ntawm qhov tsim tau los ntawm nws cov "ntxhais" (cov mis nyuj ua yuav tsum tshaj li ntawm 180%) thiab lawv cov poj niam tib lub hnub nyoog.

Nrhiav kom paub tias dab tsi yuav tsum yog kev noj haus ntawm lub khw muag khoom nyuj.

Tu thiab kev saib xyuas

Qee qhov ntawm kev raug txim thiab kev saib xyuas kom zoo yuav ua kom qhov peev xwm ntawm tus txiv nyuj muaj peev xwm ua kom zoo dua qub, txhim kho nws txoj kev noj qab haus huv, thiab tsim nws cov caj ces muaj zog dua. Rau kev kho mob zoo tshaj plaws rau lub bull qe, nws pom zoo kom ua raws li cov sij hawm nram qab no:

Tsis tau p / pLub sijhawmYuav ua li cas
1.4 teev-5 sawv ntxovthaum pub mis rau noj
2.ntawm 4 (5) teev mus txog 7 xuab moosso
3.7 teevtu lub tsho tiv no, scrotum thiab hoofs ntawm ib tug heev nyuj
4.los ntawm 7 xuab moos mus txog 10 xuab moostaug kev, luam yeeb lossis haujlwm
5.10 teevthib ob pub mis
6.txij li 10 xuab moos txog 16 xuab moosso
7.txij li 4 teev tsaus ntuj txog 7 teev tsaus ntujua hauj lwm los sis luam yeeb
8.19 xuab moos - 21 xuab moospeb pub mis

Taug kev

Kev mus txhua hnub ntev yog ib qho tseem ceeb tshaj plaws rau kev saib xyuas ntawm tus tsiaj yug tsiaj. Lub cev ua haujlwm txhawb lub livelihoods ntawm lub khw, txhawb nws txoj kev noj qab haus huv thiab kev tiv thaiv kab mob kev kis kab mob, tiv thaiv qhov tshwm sim ntawm ntau tshaj qhov ceeb thawj.

Ntxiv nrog, kev taug kev pab yuav pab txhawb nqa cov leeg nqaij thiab cov pob txha.

Qhia koj tus kheej nrog cov paub zoo tshaj plaws ntawm bull-breeds ntawm nqaij yug rau fattening, thiab kuj paub seb lub horns yog siv rau thiab loj hlob los ntawm bull.

Kev taug kev ntawm lub tsim nyuj yuav tsum kav ntev li peb teev, thiab lub ncoo rau kev taug kev yuav tsum muaj tsawg kawg kaum acres thiab muab khov kho. Taug kev yuav tsum tau nruab nrog lub canopy ntawm lub hnub thiab nag, thiab cov dej haus. Rau qhov kev yooj yim ntawm kev taug kev ntawm tus tsiaj, ib lub nplhaib tshwj xeeb muaj zog yog nyob hauv nws lub qhov ntswg, uas tus heev nyuj yog tsau thaum mus taug kev.

Nws tseem ceeb heev! Yuav tsum tsis muaj kev sib koom ua ke ntawm cov neeg laus nrog cov nyuj thiab cov hlav.

Npaj ib qho chaw rau ib tug heev nyuj

Ib tug neeg fenced chaw nrog thaj tsam ntawm 3.0-3.3 square metres, ib tug dav ntawm ib thiab ib nrab meters thiab ib tug tob ntawm 2.0-2.2 m nrog partitions ntawm ob feem peb ntawm qhov ntev yuav tsum tau nruab rau cov tsiaj.

Paul Thawj txheej - asphalt thiab pob zeb nrog ib txoj kab nqes mus rau lub phom ntawm 3-5 °, qhov ob txheej - ntoo panels 1,5 x 2,5 nrog ib cheeb tsam ntawm kev tawg nyob rau hauv nruab nrab sab ntawm lub rooj tsavxwm; kab rov tav yuav tsum tau ua los ntawm kev tsim kho.

Yog tias siv tethered ntawm cov ntsiab lus, siv ob hlua khi hlua khawm nrog cov tuab khawm tuab. Qhov ntev ntawm lub leash yog xaiv los ntawm lub xam kom thiaj li tias tus nyuj tuaj yeem dag pw.

Cov xwm txheej ntawm kev raug txim

Cov mob ntawm cov hlav ntiv qe nyob ntawm seb lawv tus kheej cov yeeb yam thiab kev coj li cas, piv txwv li, cov bulls tsis muaj peev xwm khaws cia, tab sis nyob rau hauv peb tsab xov xwm peb yuav tham txog cov kev cai thiab cov kev cai rau cov kev kub ceev cov khoom lag luam. Qhov chaw ntawm kev ua kom tsiaj txhu yuav tsum muaj raws li cov hauv qab no:

  1. Lub teeb zoo - tsaus ntuj nyob rau hauv chav tsev yuav ua rau atrophy ntawm qog qog. Ntuj teeb: (qhov sib piv ntawm thaj tsam ntawm qhov ci ntawm qhov hauv av) 1: 10-1: 15; khoom neeg tsim teeb pom kev zoo (nyob rau theem ntawm feeders) - 55-80 Lux.
  2. Huab cua kub - 10 ° C.
  3. Txheeb ze pwg: max - 75%, min - 40%.
  4. Cua ceev: txias caij thiab tawm lub caij - 0.3 m / s, sov so - 0.5 m / s.
  5. Qhov siab tshaj plaws ntawm cov pa roj carbon dioxide: carbon dioxide - 0.25%, hydrogen nitride - 20 mg / cubic meter, dihydrosulfide - traces.

Koj puas paub? Tus heev nyuj yog xim dig muag thiab tsis paub qhov txawv xim. Ntawm lub bullfight, nws tsis yog xim ntawm cov khaub ncaws uas excites nws, tab sis lub torero tas li waving ib yam dab tsi rau pem hauv ntej ntawm nws.

Kev saib xyuas ntawm tus heev nyuj

Kev tu xyuas zoo, nrog rau tej yam kev txhaum ntawm kev raug txim, yuav tsum tau muab rau tus tsiaj ntawd thaum ntxov.

Cov dej num tseem ceeb rau kev saib xyuas ntawm lub nyuj-chaw tsim khoom muaj xws li:

  1. Txhua hnub ntxuav thiab tu nrog ib txhuam thiab straw harness. Lub taub hau yuav tsum tau tshwj xeeb saib xyuas (occipital cheeb tsam, forehead thiab chaw nruab nrab ntawm lub horns). Qhov no yuav tiv thaiv kom tawv nqaij txhob muaj bulls. Cov tsiaj txhuam nrawm nrawm nrog dej sov so thiab so qhuav. Nrog rau sab nraum zoov kub ntawm +20 ° C thiab tshaj, bulls da dej hauv pas dej lossis ntxuav dej los ntawm lub qhov dej.
  2. Kev saib xyuas qhov mob rau qhov chaw nkaum. Thaum lawv loj hlob tuaj, lawv tau siv sij hawm ntev thiab ntxuav los ntawm cov av. Qhov no yog ua li ob lossis peb zaug hauv ib lub xyoo kom tsis txhob raug mob rau tsiaj.
  3. Siv lub sij hawm txhuam hniav ntawm lub scrotum thiab foreskin ntawm tus phaw nrog dej sov so raws li so nrog cov dej huv huv. Txhawm rau tiv thaiv kab mob ntawm lub foreskin uas muaj teebmeem tshwm sim ntawm ejaculate los ntawm microbes, ib zaug txhua kaum hnub qhov tshuaj yog npaj nrog 3% ntawm hydrogen peroxide lossis 0.02% nitrofural. Txoj kev ua haujlwm no ua rau kev zoo thiab kev noj qab haus huv ntawm qhov chaw hauv nruab plab ntawm lub khw, uas yav tom ntej yuav muaj cov nyhuv txwm thaum lub sij hawm luam.

Kev tu ncua ntawm lub chaw muag khoom thiab cov khoom muag

Txhawm rau kom muaj kev noj qab haus huv ntawm lub khw muag khoom hauv lub chaw, nws yog ib qho tsim nyog los tswj kom huv thiab ua kom tsis muaj kab mob. Tshem nrog 2% cov kua qaub kua txiv qaub los yog kua txiv qaub. Thaum lub sijhawm no, tus tsiaj raug muab tshem tawm hauv chav.

Koj puas paub? Nyob rau hauv Western Sumatra, cov nyuj nyuj yog cov xwm txheej tsis tu ncua.

Nws kuj disinfects cov khoom muag, cov khoom noj rau lub thawv, ntim thiab cov cuab yeej.

Lub litter yuav tsum tau hloov txhua hnub, thiab nyob rau hauv cov ntaub ntawv ntawm hnyav manure pollution, ob peb zaug ib hnub twg.

Cov nta ntawm cov bulls ntawm cov producers: noj cov zaub mov, cov cai, additives

Kev pub mov pub mis yog ib qhov kev pov hwm ntawm qhov kev tsim ntawm lub nyuj qhov kev ua me nyuam deev thiab qhov mature ntawm gametes. Kev ua kom tsis muaj zog hauv kev pub mis, ntxiv tsis tshua zoo thiab tsis txau rau cov zaub mov ua kom poob muag.

Qhov kev noj haus ntawm tsiaj yuav tsum muaj nplua nuj nyob hauv cov khoom noj protein.

Txhua tus neeg tsim khoom xav tau rau kev pub zog yog tsis zoo li qub, nws hloov nyob ntawm qhov load ntawm lub nyuj.

Nyias, nws yuav tsum tau hais txog cov additives los noj cov tsiaj. Lawv nkag tau rau hauv kev noj haus hauv cov neeg tsis muaj peev xwm cog qoob loo thiab muaj kev sib deev nce. Nyob rau hauv lub caij ntuj no, ib tug zoo zoo rau qhov zoo ntawm ejaculate qhia txog rau hauv kev noj haus ntawm tsiaj pub, vitamins thiab minerals. Cov khoom noj uas ua rau cov ntshav qab zib, ntses, nqaij thiab nqaij-pob txha noj, skimmed mis hmoov (50-400 g ib hnub), mis nyuj (2-3 l), qe qaib (3 mus rau 5 pcs).

Cov ntxhuav ntsev, incl. rooj ntsev, phosphorus-muaj tshuaj, ntsev ntawm microelements raug muab raws li cov cai.

Koj puas paub? Tus horned tshaj plaws nyob rau hauv lub ntiaj teb no yog ib tug heev pob nyuj. Lub ncua ntawm nws lub horns yog los ntawm 1.5 mus rau 2.4 meters.

Rau cov hom phiaj ntawm vitamin ntsuas txog kev sib txawv, cov nram qab no ntxiv:

  1. Irradiated fodder poov.
  2. Wheatgrass.
  3. Sprouted pob kws thiab barley.
  4. Nyom txiav.
  5. Tshuaj ntsuab hmoov.
  6. Granules.
  7. Vitamin npaj rau pawg A, D, E.

Kev siv ntawm ib qho kev haus ntawm cov khoom noj A vitamin A (hauv 1g 500 000 IU), muaj cov tshuaj vitamin D2, npaj cov vitamin D3 kuj pom zoo.

Nyob rau lub sij hawm tsis-random

Hauv lub sijhawm tsis-random, tus nyuj nyuj yuav tsum tau 0.8-1.2 qhov kev pub noj pub noj haus ntawm ib feem pua ​​ntawm ib tus neeg. Cov nqi ntawm kev noj cov tsiaj thaum lub sijhawm no yog raws li nram no:

Qhov NtsuasNyob qhov hnyav, kg
600700800900100011001200
Zog pub tsev7,07,88,49,19,710,210,8
Txauv lub zog, MJ7078849197102108
Tag nrho cov khoom, kg8,79,710,511,312,012,713,4
Nyoos protein ntau, g1010112012051305138514701550
Digestible protein, g610680730790840890940
Rumen-cleaved protein, g627698752815868913967
Untransferable nyob rau hauv cov protein ntau, g383422453490517567583
Lizin.g61687379848994
Methionine, g31343740414547
Tryptophan, g22242628303234
Crude fiber, g2175242526002825300031753350
Tshaj tawm, g6707508058709259801035
Qab zib, g610680730790840890940
Crude rog, g260290310340360380400
Ntsev, g40404550505560
Calcium, g40404550505560
Phosphorus, g24272932343538
Magnesium, g12141618202224
Tshuaj Ntsuab, g60708090100110120
Sulfur, g18212427303336
Hlau mg480535570620660700740
Tooj liab8590100110115120130
Zinc, mg350390415450480510535
Cobalt mg6,57,37,88,59,09,510,1
Manganese, mg435485520565600635670
Iodine mg6.57.37.88.59.09.510.1
Carotene mg350390415450500550600
Vitamin D txhiab me7,28,49,610,812,013,214,4
Vitamin E, mg260290310340360380400
ECE concentration

nyob rau hauv 1 kg ntawm qhuav teeb meem

0,800,800,800,800,800,800,80
Digestible Protein

ntawm 1 EEC, g

87878787878787
Qab zib protein ntau1,01,01,01,01,01,01,0

Nyob rau lub sijhawm no

Pub rau lub sij hawm no lub sij hawm yog nyob ntawm qhov load ntawm lub bull sementer. Qhov no yuav qhia me ntsis hauv qab no. Txawm li cas los xij, txoj cai dav dav yog los pub tus tsiaj tom qab mating.

Nrog nruab nrab load (1 them nyiaj toj ib lub lim tiam)

Daim ntawv qhia ntawm lub neej coj pub rau ib lub khw muag khoom nyob rau hauv 1000 kg nrog nruab nrab load

Cheebtsam Lub NpeCov ntsiab lus%
Av Pob Zeb16
Diav oats los yog barley25
Nplej bran15
Sunflower los yog kua txiv lauj kaub tais diav20
Ntses noj mov5
Pub Poov xab5
Qab zib, zib suab thaj10
Pub phosphate1
Ntsev1
Mineral Vitam Premix1

Nrog nce load (2-3 nqi hauv ib lub lim tiam)

Thaum lub sijhawm no, cov khw muag khoom uas muaj tshaj 1000 tawm leej xav tau txog 15-18 ntawm kev noj haus pub. Hauv qab no yog cov qauv qoob loo ntawm kev pub ib tug tsiaj ib hnub twg nrog kev nce zuj zus.

Qhov NtsuasNyob qhov hnyav, kg
60070080090010001100120013001400
Pub cov khoom noj7,88,79,310,110,811,412,012,512,9
Txauv lub zog, MJ90100108116124131138144148
Qhuav teeb meem, kg9,210,210,911,912,713,414,114,715,2
Nyoos protein ntau, g186520082225241525852725287029903085
Digestible protein, g113012601350146515651655174018151870
Crude fiber, g184020402180238025402680282029403040
Tshaj tawm, g124513901485161017251820191519952055
Qab zib, g113012601350146515651655174018151870
Crude rog, g370410440480510540565590610
Cov lus ntsev, g556065707580859095
Calcium, g556065707580859095
Phosphorus, g475256606570758085
Magnesium, g242832364044485256
Tshuaj Ntsuab, g728496108120132144156168
Sulfur, g303540455055606570
Hlau mg505560600655700735775810835
Tooj liab8595105115120125135140145
Zinc, mg370410435475510535565590610
Cobalt mg6,97,78,28,99,510,110,611,0011,4
Manganese, mg460510545595635670705735760
Iodine mg6,97,78,28,99,510,110,611,011,4
Carotene mg48056064072080088096010401120
Vitamin D, nplooj IU9,010,512,013,515,016,518,019,521,0
Vitamin E, mg275305325355380400425440455

Nws tseem ceeb heev! Rough and carbohydrate feeds worsen noob tsim thiab ua kom muaj roj nyuj rog.

Noj cov khoom noj ib hnub dhau ib hnub.

Khoom noj khoom hausLub caij ntuj noLub caij ntuj sov lub caij nyoog
Nyob qhov hnyav, kg
8009001000110080090010001100
Nyom cereal thiab taum7,28,39,2106666
Pob zeb silage5555----
Beet fodder5555----
Cov av liab4444----
Grass cereal thiab taum----15182023
Noj4,14,44,75,03,53,94,14,4
Ntsev, g6068758360687583

Ua mating

Muaj peb txoj hauv kev ua mating. Lawv txawv nyob rau hauv cov nqe lus ntawm productivity thiab tag nrho cov nqi phiaj. Xav txog cov kev no.

Ntuj mating

Tus essence ntawm hom no lies nyob rau hauv qhov tseeb hais tias lub chaw tsim tshuaj paus yog tas li nrog nyuj.

Nws tseem ceeb heev! Thaum siv cov mim mog rau kev tiv thaiv ntawm tus kab mob yuav tsum tau ua li niaj zaus Veterinary tshuaj ntsuam.

Ntawm qhov khiav

Nyob rau hauv hom no, tus txiv neej ywj ntses nrog tus poj niam nyob rau hauv lub pasture thiab inseminates lawv thaum lub sij hawm zoo tshaj plaws kev sib deev arousal ntawm tus nyuj. Nyob rau ntawm lub sij hawm no tus poj niam nws tus kheej lees cov txiv neej.

Cov qauv no tsis yog thoob plaws vim muaj kev tu siab loj:

  1. Tus neeg tsim khoom feem ntau npog ib tug nyuj, thiab seem nyob tsis muaj fertilization.
  2. Vim lub fact tias ib tug txiv neej muaj peev xwm them ib tug nyuj 4-5 zaug ib hnub twg, ob qho tag nrho nws thiab tus poj niam yog sai sai sab laug.
  3. Vim hloov ntawm inseminator, nws yog ib qhov nyuaj los txiav txim seb keeb kwm ntawm calf.

Tshuab

Nrog rau hom no, cov heev nyuj yog pub rau tus nyuj thaum lub sij hawm nws muaj kev sib deev zoo tshaj plaws. Qhov zoo yog qhov zoo vim tias koj tuaj yeem tswj cov kev sib tw. Nrog rau hom no, lub siab yuav npog tshaj 200 nyuj rau ib xyoos.

Tab sis muaj ib qho kev mob: qhov loj dua tus inseminator, qhov tsawg nws yuav tsum tau muaj cov pojniam. Yuav kom tsis txhob raug mob ntawm lub bull, nws yuav tsum tsis muaj ntau tshaj ob heifers ib hnub, ces ib hnub ntawm so.

Nyob rau hnub so ntawm mating (ob peb teev tom qab), tus poj niam yog pub, nws cov qaub ncaug raug ntxuav tawm thiab tsuas yog ces tus nyuj tuaj rau nws. Tus txiv neej tau muab kev ncua kom muaj kev nce siab thiab txhim kho txoj kev zoo ntawm ejaculate, thiab mam li khub khiav hauv kev saib xyuas ntawm ib tus kws kho mob tshwj xeeb.

Rooj plaub yog siv lub tshuab tshwj xeeb. Lub nyuj so rau nws nrog nws cov ceg pem hauv ntej, yog li nws qhov hnyav ntog ntawm lub tshuab, thiab tsis nyob rau ntawm tus poj niam. Hauv tsev thaum lub sij hawm no dim lub teeb thiab ua kom pom kev silence. Rau kev cia siab tom qab ib nrab ntawm ib hnub cov txheej txheem rov qab.

Nws tseem ceeb heev! Qhov kev tshwm sim yuav tsum tshwm sim tshwj xeeb tshaj yog thaum nruab hnub. Thaum tsaus ntuj, ib khub niam txiv tau coj ntawm txhua tus.

Artificial insemination

Qhov feem ntau ntau txoj kev. Qhov zoo ntawm qhov no yog qhov uas nws tso cai rau:

  1. Vim qhov kev xaiv tau coj los ua kom qhov kev pabcuam ntawm cov pabcuam.
  2. Txo lub nra ntawm cov lag luam.
  3. Yooj yim yooj yim los siv xaiv bulls-inseminators.
  4. Perceptibly txo cov nqi ntawm fertilization.
  5. Txo kev vam khom hauv lub xeev ntawm ib lub chaw lag luam: thaum tsis muaj tus kab mob nyuj, tsis tas yuav hloov tus tsiaj, tab sis koj siv tau cov khoom noj uas tau yuav.

Xav paub ntau ntxiv txog txoj kev ntawm cov khoom neeg tsim cov khoom nyuj tom tsev.

Artificial insemination yog nqa los ntawm peb txoj kev:

  1. Visocervical.
  2. Manocervical.
  3. Rectocervical.
Cia tus tham txog cov hau kev no.

Visocervical txoj kev. Tus txheej txheem tshaj plaws uas siv tus kabmob syringe, thaj chaw mos thiab lub teeb ci. Qhov txaus ntshai ntawm txoj kev - daim iav yuav yog ib qhov chaw ntawm sepsis.

Manocervical txoj kev. Phev, siv tus kabmob thev rau polymeric, txuas nrog rau lub cev ntim cov kabmob lim ntshav, muab tso rau hauv lub ncauj tsev menyuam nrog ib txhais tes hauv cov hnab looj tes muaj zog ntawm polyethylene.

Nws tseem ceeb heev! Artificial insemination yuav siv sij hawm tshwj xeeb tshaj yog thaum kev sib deev arousal ntawm nyuj.
Rectocervical txoj kev. Tus essence ntawm txoj kev: tus kws qhia tshwj xeeb uas tau kawm tiav (inseminator) ua ke nrog ib txhais tes ntxig rau hauv qhov chaw mos (hauv hnab looj tes yas) nrog lub raj xaij, nyem qhov ejaculate. Kev kho kom zoo thiab cov kev mob siab rau seeding bulls yog ib tug guarantee ntawm zoo heev tshwm sim nyob rau hauv nce lub herd, txuag thiab kev txhim kho lub yug.