Tom qab ib tug nyuj ua tau zoo, yuav tsum muaj cov nyuj suav tsis txheeb los taug txoj kev rau nws. Koj puas paub dab tsi yog hom nyuj zoo tshaj plaws?
Txawm hais tias feem ntau cov mis nyuj yog Holstein nyuj yug nyob rau hauv lub xeev ntawm Fischer LAN, Greater Netherlands, tsev neeg cov mis nyuj tseem muaj ntau tus neeg sib tw hauv kev sib tw ua kua mis xws li mis hmoov. Kev tshaj lij, lawv muaj tsawg kawg yog ib qho txiaj ntsig zoo dua Holstein nyuj - lawv tuaj yeem thaij duab xim.
Yog li, koj tsim nyog pom cov nyuj thiab nyuj ntawm cov neeg coob coob no!
1. Lub Ntiaj Teb Cov Neeg Loj Tshaj Plaws Tshaj Plaws Kev Sib Tw Hauv Ntiaj Teb--Kiwi Cross nyuj
New Zealand bred ib tug tshiab hluavtaws kab ntawm cov mis nyuj nyuj, Kiwi-Cross, thaum ntxov 2005. Nws yog ib tug tshiab yug ntawm Holstein nyuj thiab Juan shan't nyuj.
Raws li kev txheeb cais ntawm New Zealand Dairy Association, qhov kev faib ua feem ntawm Juanhe crossbred nyuj nyob rau hauv New Zealand tau mus txog 41% nyob rau hauv 2012, uas yog cov loj tshaj plaws crossbred nyuj nyuj nyob rau hauv lub ntiaj teb no thiab cov loj tshaj plaws nyuj nyuj nyob rau hauv New Zealand.
Cov xeeb ntxwv ntawm nyuj nyob rau hauv kev sib yuav transnational thiab interracial muaj txiaj ntsig tshwj xeeb! Ntxiv rau qhov ua kom muaj zog dua thiab muaj sia nyob, nws kuj muaj qhov zoo ntawm lub mis muaj zog thiab zoo meej thiab zoo heev nyuj nyuj lub neej expectancy.
Raws li ib tug nyuj-nqaij nyuj, Normandie yog lub npe hu ua "zoo tshaj plaws yug me nyuam rau cheese ntau lawm" vim hais tias ntawm nws cov mis nyuj rog thiab protein ntau npaum li cas (mis nyuj rog 4.3%, protein 3.65%). Yog xav noj qab cheese kib, koj yuav tsum xaiv nws!
Montbeliarde nyuj tau bred nyob rau hauv lub xyoo pua 18th los ntawm kev xaiv ntev ntawm Swiss carmine mottled nyuj. Hauv Fab Kis, nws tau teev npe ua ib qho ntawm cov khoom siv mis nyuj tseem ceeb, thiab nws cov kua mis yog thib ob rau Holstein nyuj.
Piv nrog Holstein cov khoom kom zoo dua thiab Normandy cov mis nyuj thiab cov protein tshwj xeeb, nws cov mis nyuj nyoos tsis tsuas yog ua tau raws li qhov yuav tsum tau ua ntawm cheese ntau lawm, tab sis kuj muaj cov kua mis txaus los tsim. kua mis (nruab nrab tawm los ntawm ntau tshaj 10 tons ntawm ib chav tsev); Ntxiv mus, qhov zoo ntawm nyuj nyuj yog zoo heev, tshwj xeeb tshaj yog mis nyuj khov, thiab tau raug xa tawm mus rau ntau tshaj 40 lub teb chaws, uas tuaj yeem hu ua "Cov tub ntxhais kawm zoo" hauv kev lag luam khoom noj siv mis.
Brown Swiss, lub npe hu ua Braunvieh hauv Switzerland, yog qhov qub tshaj plaws ntawm cov nyuj nyuj.
Tus nyuj yog peb hom tsiaj yug nyob rau hauv Albert Toj siab ntawm Switzerland, siv rau mis nyuj, nqaij nyug, thiab servitude. Nws lub cev loj thiab qhov hnyav me ntsis me dua Holstein nyuj, tab sis nws cov ntsiab lus ntawm cov mis nyuj muaj ntau dua li Holstein nyuj, tshwj xeeb tshaj yog haum rau grazing. Nws cov kua mis ntau lawm nyiam tej ducts zoo heev.
Txawm hais tias Swiss xim av nyuj tau khaws cia ntau zaus ntau dua li Holstein nyuj thoob ntiaj teb, nws yog ib qho kev sib tw tsis meej.
Lub Pie Rouge yug yog crossbred nyob rau hauv 1966. Los ntawm qhov tsos, nws zoo li ib tug muam ntawm Holstein. Tsuas yog cov xim zoo nkauj carmine, lwm yam tsos mob thiab cov yam ntxwv ntawm kev yug me nyuam yog qhov zoo ib yam li Holstein.
Txawm li cas los xij, Carmine Red Spotted Cattle muaj lub neej ntev dua, nrog qhov nruab nrab ntawm 0.5 yug ib tug nyuj ntev dua Holstein's. Piv nrog rau cov kua mis tso tawm uas yog me ntsis qis dua li ntawm Holstein, lub sijhawm ntev txaus ntawm kev ua haujlwm tseem tso cai rau qhov sib npaug zoo ntawm cov tswv yim thiab cov zis.
Cov ntaub ntawv ntxov tshaj plaws ntawm Dutch Belted tau tshwm sim nyob rau sab qaum teb sab hnub tuaj Switzerland thiab Austria xyoo 1750. Nws tau hais tias nws yog vim nws lub cev dub tshwj xeeb elegant dawb siv nrog lub siab zoo.
Nws tau qhia rau Tebchaws Meskas hauv xyoo 1838. Tam sim no, tsawg dua 200 tus nyuj tau sau npe los ntawm Dutch White Belt Association hauv Tebchaws Meskas. Cov calf muaj cov pob txha zoo thiab nws yooj yim rau calving.
Tsis yog txog thaum xyoo 17th lig uas muaj ib daim ntawv qhia tseeb txog Elisas nyuj nyob hauv lub ntiaj teb no.
Cov duab ntawm horns yog cov yam ntxwv zoo tshaj plaws ntawm kev tsim thiab kev loj hlob ntawm Elysia nyuj yug. Lub hauv paus horn loj hlob sab nraud thiab nce thiab rov qab maj mam. Yav dhau los, cov neeg yug tsiaj yuav tsim lub horn kom nws loj hlob zoo nkauj dua.
Nws yog haum rau grazing. Nws nyiam noj nyom thiab nplooj nplooj. Calves muaj zog thiab yooj yim tsa. Hauv kev yug me nyuam ntawm Elysia nyuj, peb ib txwm saib xyuas lub mis firmness thiab hom zoo, uas ua rau lawv muaj cov yam ntxwv ntawm kev ua neej ntev. Piv nrog rau lwm hom tsiaj, cov kua mis tawm, mis nyuj rog tus nqi thiab mis nyuj protein npaum li cas ntawm Elisha nyuj yog nyob rau nruab nrab.
Jersey yog cov tsiaj nyuj me tshaj plaws los ntawm cov Islands tuaj ntawm Askiv Channel. Cov tsiaj muaj feem cuam tshuam nrog Swiss xim av nyuj, Devon nyuj thiab Kerry nyuj, tab sis tsis yog Holstein nyuj.
Cov neeg laus bulls yog 123-130 cm siab thiab nyuj 111-120 cm siab.
Qhov zoo tshaj plaws yog lub ntsej muag kev nyuaj siab nyob rau hauv nruab nrab. Tab sis nrog kev npau taws zoo, kev tsim cov mis nyuj kuj zoo heev. Nws mis nyuj noj qhov tseeb kuj yog nplua nuj.
American Jersey Cattle Club tau tsim nyob rau xyoo 1868. Tam sim no, txog 160,000 Jersey nyuj hauv Tebchaws Meskas koom nrog DHIA, nce ntawm tus nqi ntawm 2% ib xyoos.
Xws li lub cev ilv, tib neeg pab tsis tau tab sis tuav lawv li tsiaj.
Randall Lineback nyuj, ib tug qub yug ntawm nyuj nyuj nyob rau hauv teb chaws Askiv, tau ploj mus nyob rau hauv 1980s.
Cov plaub hau dawb ntawm txoj kab txha nraub qaum zoo li tsuas yog rov qab los ntawm kev taug kev hauv cov daus. Raws li ib tug tsiaj ua hauj lwm rau ob qho tib si nqaij thiab mis nyuj, breeders feem ntau nyiam txaus siab rau lawv cov xim txawv txawv thiab maj mam npau taws.