Txawm tias txhua tus nyuj loj, qhov hnyav sib txawv ntawm nyuj mus rau nyuj, pab tsiaj rau tsiaj, thiab yug me nyuam. Vim qhov tseeb no, tsis muaj ib tug loj haum rau tag nrho cov lus teb rau pes tsawg tus nyuj hnyav. Hloov chaw, koj yuav xav saib lub hnub nyoog ntawm tus nyuj, nws hom, thiab nws poj niam txiv neej. Tsuas yog saib ntau yam koj yuav tau txais kev kwv yees zoo npaum li cas tus nyuj yuav hnyav npaum li cas.
Tus nyuj laus hnyav nruab nrab 2,400 phaus, hos tus nyuj laus hnyav nruab nrab 1,600 phaus. Kom kawm txog qhov hnyav nruab nrab ntawm ntau yam nyuj, suav nrog nyuj, nqaij nyuj, thiab nyuj nyuj, kom nyeem ntawv. Kab lus no piav qhia txog yam uas cuam tshuam rau tus nyuj qhov hnyav thiab muab piv txwv hnyav rau ntau hom tsiaj. Scroll down kom paub ntau ntxiv.
Nyob nyuj luj pes tsawg?
Hmoov tsis zoo, tsis muaj leej twg teb tias tus nyuj hnyav npaum li cas. Ntau yam yuav cuam tshuam qhov hnyav ntawm tus nyuj, xws li nws hom, hnub nyoog, thiab poj niam txiv neej. Yog li ntawd, muaj ntau yam hnyav rau nyuj, txawm nyuj nyob rau hauv tib pab tsiaj.
Piv txwv li, tus nyuj hnyav tshaj plaws yog Chianina yug, thiab lawv feem ntau nyob ib ncig ntawm 3,500 phaus. Hauv kev sib piv, tus nyuj me tshaj plaws hauv ntiaj teb tsuas yog 20 ntiv tes siab thiab hnyav 57 phaus xwb. Needless hais, nyuj sib txawv loj thiab hnyav.
Tseem, peb tuaj yeem muab qhov nruab nrab. Qhov nruab nrab qhov hnyav ntawm tus nyuj laus yog 2,400 phaus, thaum qhov hnyav nruab nrab ntawm tus nyuj laus yog 1,600 phaus. Cov lej no tsuas yog qhov nruab nrab xwb, tab sis lawv qhia qhov sib txawv ntawm qhov hnyav ntawm poj niam txiv neej.
Yam Uas Ua Rau Tus Nyuj Nyhav
Raws li tau hais los saum no, ntau yam cuam tshuam rau tus nyuj qhov hnyav. Qhov pom tseeb tshaj plaws muaj xws li yug me nyuam, poj niam txiv neej, thiab hnub nyoog. Tsis tas li ntawd, cov khoom noj thiab cov noob caj noob ces cuam tshuam qhov hnyav, uas piav qhia vim li cas nyuj ntawm tib lub hnub nyoog thiab pab tsiaj tuaj yeem muaj qhov hnyav sib txawv.
Qhov tseem ceeb tshaj plaws uas yuav tsum tau xav txog thaum saib tus nyuj qhov hnyav suav nrog:
- Age
- Gender
- Nyob
- Location
- Cov khoom noj thiab khoom noj khoom haus
- Tus neeg zoo
Vim tag nrho cov xwm txheej no cuam tshuam rau tus nyuj qhov hnyav, qhov hnyav peb muab hauv qab no yog qhov nruab nrab. Qhov no txhais tau hais tias qhov hnyav muab tsuas yog kwv yees xwb. Txawm hais tias qhov hnyav no muab lub tswv yim zoo txog qhov hnyav ntawm nyuj, lawv yuav tsum tsis txhob saib ua pov thawj ntawm qhov hnyav npaum li cas nyuj yuav tsum.
Neeg hnyav npaum li cas?
Ib tug nyuj yog ib tug nyuj lossis nyuj uas tseem tsis tau muaj ib xyoos. Vim cov nyuj no tseem hluas heev, lawv me me thiab hnyav dua li cov neeg laus.
Thaum yug los, cov menyuam mos feem ntau hnyav txog 82 phaus. Hauv thawj lub hlis ntawm lub neej, koj tuaj yeem cia siab tias cov nyuj nyuj yuav nce me ntsis tsawg dua 80 phaus. Heifers muab qhov hnyav me ntsis tab sis tseem muab tso rau me ntsis thaum tib lub sijhawm. Thaum lawv loj hlob zuj zus, lawv muab hnyav dua thiab hnyav dua. Calves tuaj yeem mus txog ntau pua phaus hauv thawj xyoo ntawm lub neej.
Cov nyuj yug menyuam tuaj yeem cuam tshuam ntau npaum li cas tus menyuam nyuj hnyav thaum yug los thiab ntau npaum li cas lawv tso rau thawj xyoo ntawm lub neej. Piv txwv li, ib tug jersey calf yuav hnyav li 93 phaus thaum nws thawj lub hlis hauv lub neej, thaum Brown Swiss yuav hnyav li 163 phaus.
| Age | Jersey (lbs.) | Holstein (lbs.) | Guernsey (lbs.) | Brown Swiss (lbs.) |
| 1 month | 93-108 | 119-136 | 122-143 | 134-163 |
| 2 lub hlis | 122-146 | 161-189 | 166-193 | 187-223 |
| 3 months | 155-177 | 211-234 | 203-233 | 240-283 |
| 4 hli | 183-217 | 258-284 | 255-299 | 293-343 |
| 5 hli | 233-278 | 311-339 | 299-354 | 345-403 |
| 6 hli | 259-321 | 369-422 | 366-434 | 396-462 |
| 8 hli | 335-412 | 468-530 | 433-503 | 498-580 |
| 10 hli | 391-483 | 575-653 | 511-588 | 597-694 |
| 12 lub hlis | 471-548 | 682-760 | 576-674 | 693-805 |
Nyob nyuj nyuj hnyav npaum li cas?
Piv rau nyuj, nyuj nyuj hnyav hnyav dua. Qhov tseeb, ntau tus nyuj nyuj yog siv rau nqaij nyug vim tias lawv loj heev thiab muaj nqaij ntau. Yog li ntawd, txawm tias nqaij nyuj nyuj nyuj hnyav dua li qee yam tsiaj uas tau hais los saum no.
Ib tug nyuj nyuj uas nrov tshaj plaws yog tus nyuj Angus. Thaum Angus nyuj nyuj tsuas muaj rau lub hlis, nws feem ntau hnyav ntawm 450 thiab 550 phaus. Mature heifers feem ntau loj hlob los ntawm 800 thiab 1,400 phaus. Lwm cov nyuj nyuj, xws li Shorthorn, hnyav dua li Angus.
Ib yam li ntawd, qhov hnyav ntawm tus txiv neej nyuj nyuj yog ntau dua li tus poj niam counterparts. Thaum cov txiv neej Angus paub tab feem ntau yog 1,400 phaus max, Angus txiv neej nyob nruab nrab ntawm 1,870 phaus. Lub caij no, cov txiv neej Shorthorn nruab nrab ntawm 2, 100 phaus.
| Txiv neej | Male (lbs.) | Poj niam (lbs.) |
| Hereford | 1,800 | 1, 200 |
| Angus | 1,870 | 1, 210 |
| Shorthorn | 2, 100 | 1, 760 |
| Brahman | 2, 100 | 1,320 |
| Simmental | 2,500 | 1,300 |
| Limousin | 2, 530 | 1,650 |
Nyob nyuj nyuj hnyav npaum li cas thaum tua?
Thaum tua, nyuj feem ntau hnyav li ntawm 900 txog 1,350 phaus, tab sis qhov hnyav yog nyob ntawm tus neeg siv khoom xav tau.
Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias tsis yog txhua tus nyuj raug tua thaum loj hlob. Qee cov neeg siv khoom nyiam cov nqaij mos ntau dua, uas feem ntau yuav tau noj los ntawm cov nyuj. Yog li ntawd, cov nyuj uas raug tua yuav hnyav dua li cov nyuj laus uas raug tua.
Nco ntsoov tias cov nqaij nyuj uas siv los ua zaub mov tsis sib npaug li qhov hnyav ntawm tus nyuj. Hloov chaw, tsuas yog li 65% ntawm qhov hnyav carcass yog siv rau zaub mov. Cia peb ua piv txwv. Cia peb xav tias tus poj niam Angus raug tua ntawm 1,200 phaus. Nws yog feem ntau tias qhov dai tuag qhov hnyav yuav tsuas yog li 750 phaus xwb.
Tus nyuj nyuj hnyav npaum li cas?
Ib yam li nyuj nyuj, qhov hnyav ntawm tus nyuj nyuj yog nyob ntawm nws hom. Cov nyuj mis nyuj tsis tshua hnyav npaum li nyuj nyuj vim lawv tsis tas yuav tsim zaub mov ntau. Tau kawg, cov nyuj yog ib txwm poj niam, uas ua rau cov nyuj uas hnyav dua li nyuj nyuj.
| Txiv neej | Qhov hnyav (lbs.) |
| Jersey | 900 |
| Guernsey | 1,050 |
| Ayrshire | 1, 150 |
| Brown Swiss | 1,350 |
| Dairy Shorthorn | 1,450 |
| Holstein-Friesian | 1, 600 |
Txoj Kev Xav
Needless hais, nyuj tuaj yeem ua tau ntau yam duab thiab ntau thiab tsawg. Thaum pom tseeb yam xws li yug me nyuam, hnub nyoog, thiab poj niam txiv neej cuam tshuam qhov hnyav ntawm tus nyuj, yog li ua qhov chaw ntawm nws pab tsiaj thiab kev noj haus. Obviously, nyuj uas mus tas li mus rau zaub mov yuav hnyav dua cov uas muaj nruj noj mov regimen.
