1. Kev npaj ua ntej kev yuav khoom
Ua ntej yuav khoom, yuav tsum muaj kev tshawb nrhiav, xws li kev tshawb nrhiav keeb kwm zoo li nyuj siab lossis tsis, lossis thaj chaw faib khoom pub nyuj, tus qauv ntawm cov tsiaj zoo li Angus nyuj, Dexter nyuj, Hereford nyuj, thiab lwm yam., Thiab qhov ntau, hnub nyoog thiab poj niam txiv neej, thiab tshawb xyuas qhov feem ntawm cov nyuj, nyuj, nyuj thiab nyuj thiab pub nyuj hauv cov tsiaj nyuj. Tsuas yog los ntawm kev tuav thiab siv tag nrho cov cai ntawm kev ua lag luam ntawm pub nyuj, peb puas tuaj yeem txo lub sijhawm pub mis, tswj tus nqi ntawm kev nce nyuj, nce kev noj zaub mov zoo, tau txais tus nqi siab nqaij nyuj thiab txo cov neeg mob thiab cov neeg xiam oob khab.
2. Tsis txhob poob phaus thaum thauj tsheb
Qhov hnyav ntawm pub nyuj yuav hloov me ntsis ua ntej thiab tom qab kev thauj mus los. Lub hauv paus tseem ceeb uas ua rau hloov pauv hnyav suav nrog hauv qab no. Thawj yog kev thauj mus los deb, qhov thib ob yog cov cuab yeej siv tsheb, qhov thib peb yog txoj hauv kev zoo, qhov plaub yog kev siv tshuab tsav tsheb, qhov thib tsib yog khoom noj thiab dej haus rau nyuj nyuj ua ntej nce tsheb, thiab qhov thib rau yog lub peev xwm thauj khoom. Thaum nyuj nyuj noj zaub ntau dua thiab haus dej ntau dua ua ntej nce, lawv yuav poob ib feem ntawm lawv qhov hnyav tom qab tawm ntawm tus nqa khoom. Yog li, qhov xwm txheej no yuav tsum raug coj mus rau hauv tus lej hauv kev suav nyuj nqi noj.
3.Qib protein nyob hauv pub
Nyob rau hauv lub rog theem, cov khoom noj protein yuav tsum tau ntxiv rau hauv qhov tsim nyog, thiab cov protein pub kom muaj nuj nqis ntawm cov nyuj nyoos hauv ntau lub sijhawm yuav tsum tau tshawb fawb. Ntau dhau lossis tsawg dhau yuav ua rau muaj kev phom sij. Thaum cov protein noj ntau dhau, nqaij nyuj nyuj zoo li Hereford nyuj yuav tsis tuaj yeem nqus tag nrho cov protein pub, ua rau pov tseg thiab nce tus nqi noj, tab sis kuj tseem yuav ua rau lub plab zom mov hnyav ntxiv, ua rau qee yam kab mob. Thaum cov protein pub tsawg dhau, nws yuav tsis tau raws li cov ntsiab lus protein uas xav tau rau kev loj hlob ib txwm muaj thiab kev txhim kho ntawm nyuj nyuj, uas yuav muaj qee yam cuam tshuam rau kev ua kom rog.
Nyuj tus me nyuam loj hlob sai ua ntej hnub nyoog 3 hlis, yog li lawv xav tau cov protein ntau, uas suav txog li 1/5 ntawm kev noj haus. Vim tias kev tsim cov rumen tsis zoo tag nrho nyob rau lub sijhawm no, qee qhov tseem ceeb amino acids tsis tuaj yeem tsim tawm hauv lub cev, yog li nws tuaj yeem ua ke nrog kev noj qee yam protein sib txawv. Thaum cov menyuam loj hlob mus txog 6 ～ 12 lub hlis thiab hnyav 150 ～ 200 kg, cov protein ntau hauv cov zaub mov tuaj yeem txo qis rau 15%. Tom qab ntawd, cov ntsiab lus ntawm cov protein tsawg zuj zus mus rau 12% nrog kev nce ntawm qhov hnyav ntawm lub plab hlaub.
Thaum cov tsiaj pub nyuj tau rog nyob rau hauv cov nyuj tso thiab hnyav txog 300 kg, qhov feem ntawm cov protein pub hauv kev noj zaub mov yuav tsum raug tswj ntawm 10% thiab 13%. Nrog kev nce hauv lub cev hnyav, cov ntsiab lus ntawm cov protein pub tuaj yeem maj mam txo. Nyob rau theem tom ntej ntawm kev rog, cov ntsiab lus noj cov protein yuav tsum suav txog 10% ntawm kev noj haus. Hauv kev noj cov nyuj qub, cov ntsiab lus ntawm cov protein pub yuav tsum yog 10% hauv kev noj haus, thaum lub sijhawm muaj lub zog txaus noj xws li pob kws, sorghum, thiab qhuav dej qab zib qos tuaj yeem noj tau. Txhawm rau tsim cov nqaij nyug qib siab, cov ntsiab lus ntawm cov protein pub hauv kev noj zaub mov yuav tsum nce me ntsis los ntawm 2% ～ 3% yog tias cov nqaij nyug nyuj zoo
4. Pub nyuj nyuj nyob rau lub sijhawm rog
Pub sib faib thiab sib tov. Thaum lub sijhawm ua cov txheej txheem pub mis, mloog zoo, quav cawv, quav quav, thiab quav nyab yuav tsum tau noj cais, lossis pub tom qab sib tov sib npaug. Thaum lub sij hawm sib tov noj lub sijhawm, qhov tsim nyog yuav tsum tau txais yuav rau kev noj zaub mov zoo. Txhawm rau kom muaj kev sib luag ntawm kev sib xyaw pub, kev sib xyaw txhua yam yuav tsum siv tsawg kawg 3 feeb. Thaum nplawm los ntawm txhais tes, tsawg kawg peb qhov kev ua haujlwm yuav tsum tau ua kom tsis muaj txheej txheej pub tuaj yeem pom hauv cov khoom noj.
Qhuav thiab ntub dej sib tov. Thaum lub sijhawm pub mis, tsis yog tsuas yog sib xyaw qhuav tab sis kuj tuaj yeem siv sib xyaw ntub. Nws yog qhov zoo dua los siv tag nrho cov pob kws silage lossis dregs pub rau pub mis. Ua ntej pib pub mis, txhua qhov pub mis yuav tsum tau ntsuas sib npaug thiab ua tib lub sijhawm. Nws raug nquahu kom tswj cov dej cov ntsiab lus ntawm cov khoom noj ntawm 40% txog 50%. Thaum pub mis, cov hmoov qhuav qhuav yuav tsum tsis txhob noj. Tus nqi ntawm txhua qhov sib xyaw yuav tsum ua kom tau raws li nws cov khoom noj ntawm 4 ～ 6 teev. Tom qab noj mov, qhov sib xyaw tuaj yeem txuas ntxiv thiab cov khoom sib xyaw yuav tsum tau nthuav tawm hauv qhov chaw ntxoov ntxoo.
Kev hloov ntawm pub. Nrog rau qhov hnyav ntxiv ntawm nyuj, kev faib khoom noj yuav tsum tau hloov kho kom raug. Yog li ntawd, thaum lub sijhawm pub mis nyuj rau nyuj, kev pub zaub mov yuav tsum tau hloov pauv ib qib zuj zus, thiab tsis muaj kev hloov pauv loj yuav tsum tau ua sai sai, kom tsis txhob cuam tshuam kev noj zaub mov ntawm nyuj. Tom qab lub sijhawm hloov pauv ntawm 3 ～ 5 hnub, cov nyuj tuaj yeem hloov kho maj mam.
Dej haus. Txoj hauv kev haus dej dawb yuav tsum tau saws thaum pub mis. Kev teeb tsa lub cuab yeej uas tso cai rau nyuj haus dej ntawm qhov yuav tsum tau ua hauv tus tsiaj nyuj, nyiam dua ntawm ib sab lossis siab dua qhov quav thiab tso zis ntawm cov nyuj nyuj, kom cov dej ntws tawm sai sai nkag mus rau hauv cov quav thiab tso zis thiab tsis txhob ntub cov tsiaj nyuj.
5. Management ntawm nyuj nyuj nyob rau lub sij hawm fattening
Nyuj rog yog qhov zoo tshaj plaws hauv lub caij nplooj zeeg, tab sis kuj nyob rau lub caij ntuj no thiab caij nplooj ntoo hlav. Thaum qhov kub siab tshaj 30 ℃ nyob rau lub caij ntuj sov, nyuj nyoos cov txheej txheem metabolic yuav nce ntxiv, thiab kev hloov pauv hloov pauv tau qis, yog li ua haujlwm sib xws ntawm kev tiv thaiv tshav kub thiab txias yuav tsum tau ua ua ntej. Bulls fattening ua ntej hnub nyoog 2 xyoos yuav ua rau kev loj hlob thiab muaj cov nqaij ntshiv ntau dua, kev hloov pauv hloov pauv kuj tseem siab. Ua ntej rog, nyuj rancher yuav tsum ua haujlwm tua kab zoo, thiab tua nyuj yuav tsum tau ntxuav thiab tua kab mob hnyav.
Nyuj tuam txhab yuav tsum kom deb li deb tau los tswj nws lub sijhawm ua haujlwm, kom tsis txhob noj ntau cov as -ham, txo cov rog rog. Nws yog qhov zoo dua los khi cov nyuj mus rau ib qho ceg txheem ntseeg lossis kaw nrog tus cwj mem so tom qab txhua qhov pub mis thiab tswj lawv qhov kev txav mus los. Qhov ntev ntawm txoj hlua yuav tsum yog ntev li cov nyuj tuaj yeem pw. Txhuam lub cev nyuj tuaj yeem txhawb nqa cov ntshav ncig thiab nce kev noj zaub mov kom zoo. Yog li ntawd, txhuam hniav lub cev nyuj yuav tsum tau ua yam tsawg ib zaug lossis ob zaug hauv ib hnub.