Tus nyuj yog ib tus tsiaj nyeg thawj. Thiab nyob rau hauv peb lub sij hawm, no tsiaj yog ib qhov chaw ntawm qhuav, ob qho tib si khoom noj siv mis thiab nqaij.
Kuj cov nyuj no siv zog ua haujlwm. Nyuj khaws cia tsis tsuas yog nyob rau hauv cov liaj teb loj, tab sis kuj nyob hauv tsev. Zoo li txhua tus tsiaj, koj yuav tsum tau saib xyuas cov nyuj, muab ib qho chaw zoo rau kev tuaj yos hav zoov, qhov chaw sov so, thiab lwm yam. Hauv qab no koj yuav kawm tau ntau yam txog tej yam zoo li ib yam ntawm cov nyuj raws li tus Dutch.
Los ntawm dab tsi sab nraud ntsuas tau koj paub txog Dutch breed?
Cov nyuj pub tib neeg muaj mis nyuj, uas muaj cov tshuaj calcium tseem ceeb rau tib neeg. Lub Dutch yug ntawm nyuj yog tsiag ntawv los ntawm high yields. Yog li ntawd, cov nyuj ntawm no yug yog mus rau lub chaw yuag pawg.
Dutch nyuj yog cov menyuam yaus tshaj plaws.
Lub npe ntawm tus tsiaj yuav to taub tias cov nyuj yog bred hauv Holland. Txij thaum lub sij hawm qub, tus nyuj tau tsiag ntawv los ntawm high yields. Niaj hnub no, ntau hom ntawm Dutch breed yog bred, feem nrov ntawm lawv yog Friesian.
Nyob rau hauv Russia, qhov no yug ntawm nyuj yog coj raws li txoj cai ntawm Peter lub Great, thiab tom qab ntawd tus xa cov tsiaj nyeg pib. Ua ntej lub kiv puag ncig, cov Dutch yug yog raug coj los ntawm 22 feem pua ntawm cov tswv av. Nyob rau hauv Russia, qhov hom ntawm cov nyuj twb muab kev koom tes nyob rau hauv yug me nyuam ntawm lwm cov nyuj, feem ntau ntau yog Kholmogory yug.
Qhov dav kis ntawm Dutch breed nyob rau hauv Ukraine pib nyob rau hauv lub 1930s.
Cov mis nyuj muaj zog tuaj vim yog yug me nyuam ua hauj lwm ua tiav xyoo, cov neeg cog qoob loo thaum lub sijhawm no tsis tau ua tib zoo saib xyuas cov nqaij ntawm cov tsiaj.
Lub xyoo dhau los yog ib qho tshwj xeeb ntawm kev loj hlob ntawm Dutch yug.
Sab nrauv kev piav qhia ntawm Dutch yug:
- Qhov siab ntawm ib tug tsiaj ntawm lub qhov rais tuaj txog 130 centimeters. Qhov loj ntawm ib tug nyuj yog los ntawm 540 mus rau 640 kilograms, qhov loj ntawm ib tug nyuj ranges los ntawm 810 mus rau 1000 kilograms. Qhov ceeb thawj ntawm ib tug me nyuam mos nyuj ncav cuag 40 kilograms. Slaughter luj yog 60 feem pua.
- Lub cev ntawm cov nyuj yog tsim tau zoo, muaj cov pob txha muaj zog thiab cov leeg mob zoo.
- Lub taub hau qhuav thiab me ntsis elongated.
- Lub hauv siab yog dav txaus thiab sib sib zog nqus. Sab nraub qaum rov qab yog tiaj. Cov tawv nqaij ntawm qhov yug yog cov tsawg.
- Sab nraub qaum ntawm lub cev yog qhov ncaj thiab dav.
- Cov tawv nqaij ntawm Dutch nyuj yog elastic thiab nyias, cov plaub hau yog muag.
- Cov nyuj khib nyuj yog tsim los thiab muaj ib hom nyob rau hauv daim ntawv ntawm ib lub tais.
- Cov xim ntawm Dutch breed yog xim dub thiab dawb.
Cov zoo zoo uas characterize cov Dutch yug:
Cov mis nyuj loj, uas yog 4400 kilograms, cov roj cov mis nyuj yog plaub feem pua. Nws kuj muaj nyuj uas teev cov ntaub ntawv, nrog rau cov mis nyuj yields ntawm 11,000 kilograms, nrog cov roj rog 4.16 feem pua.- Nyuj ntawm no yug yog thaum ntxov, tom qab ib tug nyuj muab yug mus rau 160 kilograms tom qab ib nrab xyoo.
- Qhov no yug yog qhov txwv zeej txwv koob hauv ntau yam tsiaj txhu ntawm cov nyuj.
- Cov yug muaj cov yam ntxwv zoo nqaij.
- Vim yog qhov zoo zoo ntawm cov mis nyuj thiab cov nqaij, qhov yug yog bred thoob ntiaj teb.
- Dutch nyuj zam cov huab cua txawv.
- Dutch yug resistant mus rau ntau cov kab mob.
Cov txiaj ntsim zoo tsis zoo yog nyob rau hauv yug ua ntej yug me nyuam nrog nws, nyob rau hauv peb lub sij hawm lawv tsis tau txheeb xyuas.
Lub ntsiab feature ntawm Dutch breed yog hais tias nws yog lub hauv paus ntawm lub chaw ua khoom noj khoom haus. Qoob loo muab cov mis nyuj zoo tuaj nrog cov roj zoo. Ib qhov txawv hauv qhov yug yog qhov nws loj hlob tuaj. Thawj thawj zaug ntawm cov txiv ntoo uas hnyav tau ua thaum muaj hnub nyoog ib nrab thiab ib nrab xyoo.
Yuav ua li cas yog qhov tsim tau ntawm Dutch breed?
Vim muaj kev xaiv ntsej muag thiab kev cog qoob loo, muaj mis nyuj ntau tuaj yeem piav qhia.
Dutch tus nyuj belongs rau lub chaw yuj nyuj pab pawg. Raws li yav tas los hais, tus tawm los ntawm ib tug nyuj yog hais txog 4400 kilograms. Tseem muaj nyuj, uas teev cov ntaub ntawv uas muab ntau tshaj 11,000 kilograms mis. Mis nyuj haus yog ntau tshaj plaub feem pua.
Nqaij zoo kuj zoo heev. Slaughter yield ncav mus rau caum feem pua.
Nyob rau hauv peb lub sij hawm, kuj nqa tawm kev ua hauj lwm yug me nyuam. Xws li kev ua haujlwm yog tsom rau kev ua kom muaj roj mis, thiab muaj protein ntau. Yuav kom tau txais kev nce qib hauv cov cim no, cov kws tshawb fawb tau tsim cov khoom noj tshwj xeeb rau tsiaj txhu, nyob ntawm lawv qhov hnyav thiab hnub nyoog.
Vim hais tias ntawm nws high tsim tsim nyog, lub Dutch yug ntawm nyuj yog ntse bred thoob ntiaj teb. Raws li no yug nyob rau hauv lub teb chaws Yelemees bred Ostfrizian yug. Nyob hauv Asmesliskas thiab Canada yug menyuam Holstein-Frisians. Nyob rau hauv European lub teb chaws, nyob rau hauv lub hauv paus ntawm no yug bred dub thiab variegated swedish thiab Danish. Lawm, txhua tus yug tshiab nws muaj nws tus yam ntxwv.
Los ntawm keeb kwm ntawm no yug nws yog tseeb hais tias cov breed tau dhau ib txoj kev ntev ntawm kev tsim thiab tsim, uas ua xws li nws, txawm qhov tseeb uas ua hauj lwm rau kev txhim kho cov yug yog underway, nws yuav hais tau nrog cog qoob loo tias no yug ntawm cov nyuj yog ib qho ntawm feem ntau qhov zoo tshaj plaws mis nyuj yug hauv ntiaj teb.
