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Khoom noj khoom haus Standards pub rau Mis nyuj nyuj nyob rau txawv theem

Dab tsi yog qhov xav tau kev noj haus ntawm nyuj nyuj?

Muab lo rau  Kaum ib hlis 8, 2019, Kho los ntawm Victoria, Qeb  

Raws li cov theem sib txawv ntawm cov kua mis ntau lawm thiab kev loj hlob thiab kev loj hlob ntawm cov mis nyuj nyuj, kom tau raws li qhov kev noj haus xav tau ntawm cov nyuj cov mis nyuj thiab ua tiav lub hom phiaj ntawm kev tawm los siab, cov qauv kev noj haus ntawm kev pub noj nyob rau hauv ntau theem kuj txawv.

Khoom noj khoom haus Standards pub rau Mis nyuj nyuj nyob rau txawv theem
Khoom noj khoom haus Standards pub rau Mis nyuj nyuj nyob rau txawv theem

1.Lub sij hawm qhuav (los ntawm kev txwv tsis pub mis rau 15 hnub ua ntej xa khoom). 

Cov zaub mov tseem ceeb yuav tsum yog cov quav nyab zoo thiab muab pub nrog tus nqi tsim nyog ntawm ntsuab, cag pub thiab mloog zoo. Concentrate pub mis yuav tsum tsis txhob ntau dhau. Feem ntau, cov concentrate mix yog li 2.5 kg. Nyob rau theem tom qab ntawm cov mis nyuj qhuav, nws yog ib qho tsim nyog yuav tsum tau nce ntxiv noj zaub mov thiab txo cov calcium nyob rau hauv mix concentrate kom tau raws li qhov tom qab yug menyuam tas kev xav tau ntawm cov nyuj. Nyob rau theem no, qhov sib piv ntawm cov concentrate rau roughage yuav tsum yog li 3: 7.

2.Perinatal lub sij hawm (hauv 15 hnub ua ntej thiab tom qab xa khoom). 

Nyuj yuav tsum maj mam nce concentrate noj, tab sis qhov siab tshaj plaws pub mis yuav tsum tsis pub tshaj 1% ntawm tus nyuj lub cev qhov hnyav (rau cov nyuj uas muaj mob hnyav ua ntej yug menyuam, nws tsis tsim nyog noj ntau ntxiv) thaum txo ntsev kom tsis txhob cem quav ntawm nyuj. Haus kub bran thiab ntsev-calcium kua zaub 10-20 kg (500 g ntawm bran, 50 g ntsev thiab 50 g ntawm calcium carbonate) tom qab yug me nyuam los pab nyuj rov qab lawv lub cev lub zog thiab tshem tawm cov placenta sai li sai tau. Qhov ratio ntawm calcium rau phosphorus tau hloov mus rau 3: 1 hauv ib lub lis piam tom qab xa khoom.

3.Peak lactation lub sij hawm (hauv 16-100 hnub tom qab tus me nyuam).

Nyob rau theem no, ib feem ntawm lub kev noj haus xav tau yog ua kom lub cev muaj zog, thiab tseem ceeb tshaj, kom tau raws li cov kev xav tau ntawm kev tsim cov mis nyuj. Nyuj nyuj mus txog qhov kawg lactation ntawm 4-6 lub lis piam tom qab yug me nyuam. Cov kev qhia pub mis tuaj yeem siv rau lub sijhawm no. Los ntawm 5-7 hnub tom qab yug me nyuam, nyuj yog pub nrog cov nyom zoo thiab cov dej haus txaus. Cov concentration yog nce los ntawm 0.5 kg ib hnub twg. Kev pub mis yog 1.2 npaug ntawm tus qauv pub mis kom txog rau thaum lactation tsis tau nce ntxiv lawm, thiab tom qab ntawd pib noj ib txwm. Thaum lub sij hawm no, cov concentrate pub yuav tsum yog 2.5 kg ntawm cov khoom siv, 1 kg concentrate ib 2.5 kg mis nyuj, thiab mloog zoo rau roughage piv 5:5.

4. Mid-lactation (101-200 hnub tom qab yug menyuam tas).

Nyob rau theem no, kev noj zaub mov ntawm nyuj nyuj nce ntxiv, thiab kev noj zaub mov yuav tsum tau txo qis piv nrog rau theem ua ntej. Qhov piv ntawm kev mloog zoo rau roughage yog 4: 6, thiab cov khoom qhuav qhuav tuaj yeem ncav cuag 3.5% -4.5% ntawm lub cev hnyav. Nyob rau lub sijhawm no, cov kua mis ntawm cov nyuj yog tiaj tus, nrog kev txo qis txhua hli ntawm 5% -7%. Yog li ntawd, yuav tsum tau ua cov kev ntsuas kom ua tau kom qeeb cov kua mis kom ntau li ntau tau.

5.Lactation lig (201 hnub tom qab yug me nyuam ua ntej mis qhuav).

Nyob rau theem no, cov kua mis tawm ntawm cov nyuj tau txo qis (8% -12% ib hlis). Concentrate pub yuav tsum raug txo kom tsim nyog, thiab qhov sib piv ntawm kev mloog zoo rau roughage yuav tsum yog li 35:65. Txawm li cas los xij, kev noj zaub mov kom zoo yuav tsum tau nce li ntawm 1 kg ib hlis ua ntej cov kua mis qhuav kom ntseeg tau tias cov khoom noj uas xav tau rau kev loj hlob ntawm fetus.

6.Lub sijhawm pub mis nyuj (1-6 lub hlis tom qab yug me nyuam). 

Calves yuav tsum tau noj colostrum li ntawm 1 mus rau 2 teev tom qab yug me nyuam. Tus nqi ntawm colostrum yuav tsum tsis pub tsawg tshaj 1 kg, thiab cov mis nyuj txhua hnub yuav tsum yog 10 mus rau 15 kg. lactation. Tom qab yug me nyuam 7 hnub, cov nyuj tuaj yeem raug cob qhia kom noj cov zaub mov tshwj xeeb thiab cov quav nyab thiab silage, thiab kev txiav tawm tuaj yeem txiav txim siab thaum cov nyuj tuaj yeem noj txog 1 kg ntawm qhov pib txhua hnub. Feem ntau, cov nyuj tuaj yeem muab txiav rau hauv peb lub hlis.

7.Lub sij hawm yug me nyuam ntawm bred nyuj (7-18 lub hlis tom qab yug me nyuam). 

Hauv theem no, tus rumen Lub peev xwm ntawm cov nyuj bred tau nce zoo heev, thiab muaj peev xwm siv ntsuab pub thiab roughage zoo dua. Yog li ntawd, tus yug me nyuam yuav tsum tau siv lub sijhawm zoo los txhawb kev pub mis kom tau txais txiaj ntsig ntau dua txhua hnub. Txhua hnub mloog zoo noj yog li 2.5 kg, thiab roughage yog pub dawb rau noj.

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