Raws li American Kennel Club, Great Dane yog "tus dev loj, plaub hau luv luv nrog lub cev du, lub cev thiab lub taub hau square. Lub tsho tiv no feem ntau yog fawn, brindle, lossis dub, nrog lub hauv siab dawb thiab ko taw. "Tab sis muaj lwm yam xim ntawm Great Dane uas tsis tshua muaj ntau dua li lwm tus: Dawb Great Dane.
Thaum cov dawb dawb huv Dane yuav zoo nkauj saib, lawv feem ntau muaj teeb meem kev noj qab haus huv vim lawv tsis muaj pigmentation. Qhov no yog vim tias dawb Great Danes yog qhov tshwm sim ntawm kev yug me nyuam ob npaug. Thaum ob tug merle-inheriting aub tau yug los ua ke, muaj lub caij nyoog zoo uas ib feem peb ntawm lawv cov xeeb ntxwv yuav yug los dawb huv. Txawm li cas los xij, vim tias muaj kev pheej hmoo siab ntawm kev noj qab haus huv cuam tshuam nrog kev yug me nyuam ob npaug, ntau tus kws yug tsiaj xaiv tsis yug rau cov xim no, thiab cov qauv kev yug me nyuam ua rau nws poob siab.
Zaj nkauj no tham txog keeb kwm ntawm tus dawb Great Dane thiab yog vim li cas thiaj tsis yug lawv.
Cov Ntaub Ntawv Thaum Ntxov ntawm White Great Danes hauv Keeb Kwm
Zaj keeb kwm ntawm Great Dane yog ib qho nplua nuj thiab nyuaj. Cov yug me nyuam peb paub niaj hnub no yog qhov tshwm sim ntawm cov txheej txheem ntev ntawm evolution thiab crossbreeding uas spans centuries. Cov poj koob yawm txwv thaum ntxov ntawm Great Dane yog zoo li mastiff-hom dev los ntawm Asia, tej zaum coj mus rau Tebchaws Europe los ntawm Alexander lub Great thiab nws cov tub rog nyob rau hauv lub xyoo pua 4th BC. Cov dev no tom qab ntawd tau sib tw nrog lwm cov tsiaj hauv zos, ua rau muaj qhov tshwm sim ntawm Mastiff-hom dev. Sij hawm dhau mus, cov canines no tau txhim kho ntxiv thiab siv rau kev yos hav zoov loj xws li mos lwj thiab npua qus, thiab yuav hla nrog greyhounds. Nyob rau hauv lub xyoo pua 19th, dev ntawm hom no tau hu ua Deutsche Dogge. Nws yog nyob rau hauv lub teb chaws Yelemees uas lawv tau ntxiv refined rau hauv siab, nqaij nqaij yug peb paub hnub no. Tsis muaj leej twg paub tseeb tias yog vim li cas tus dev no, keeb kwm hauv lub tebchaws Yelemes hu ua "Great Dane", vim tsis muaj ib feem tseem ceeb ntawm lawv txoj kev tsim koom nrog, lossis tau tshwm sim hauv Denmark.
Nyob rau xyoo 19th, Southern Germany tau tsim lub koob npe nrov rau kev yug me nyuam harlequin Deutsche Dogge menyuam dev nrog cov pob dub ntawm cov keeb kwm dawb. Cov yug me nyuam thaum ntxov no tsis muaj cov txheej txheem genetic sequencing muaj rau cov tswv niaj hnub no. Txawm li cas los xij, German breeders intuitively cais dawb los ntawm lawv cov qauv, tej zaum vim hais tias qhov tshwm sim ntawm yug me nyuam rau cov xim no yog phem rau kev noj qab haus huv ntawm Great Dane menyuam dev.
How White Great Danes tau muaj koob meej
Muaj ntau qhov laj thawj uas ua rau muaj kev nce ntxiv ntawm ob-merle dawb Great Danes. Muab ob npaug rau-merles tuaj yeem ua rau tsis paub txog los ntawm cov kws yug tsiaj yug tsiaj uas tsis paub txog caj ces ntawm niam txiv dev lossis qhov cuam tshuam ntawm kev yug me nyuam. Tej zaum lawv yuav yug me nyuam dev uas nqa cov noob merle yam tsis muaj qhov pom tseeb pom dawb.
Hmoov tsis zoo, ntau tus kws yug tsiaj yug tsiaj tsis paub txog kev noj qab haus huv cuam tshuam nrog ob-merle Great Danes. Tej zaum lawv yuav xav tias lawv tau ua kom zoo dua lawv txoj hauv kev los tsim cov harlequins lossis merles los ntawm kev yug me nyuam ob tus dev merle, tab sis qhov tseeb, lawv tau muab lawv cov menyuam dev ua rau muaj kev pheej hmoo loj.
Qee tus tsim yug me nyuam paub txog tsim ob-merle Great Danes raws li cov khoom lag luam thiab tus nqi ntawm kev lag luam thaum (tsis tsim nyog) yug me nyuam harlequins. Hauv kev rau siab los tsim cov dev harlequin zoo nkauj, qhia cov neeg yug tsiaj tuaj yeem txhob txwm ua khub harlequin Great Danes nrog cov pedigrees tshwj xeeb. Cov neeg yug tsiaj uas ua qhov no paub tias lawv yuav tsum tau tua lossis tua cov neeg lag ntseg ob-merle menyuam dev nyob rau hauv lub khib nyiab (tam sim no tau tso cai los ntawm Great Dane Club of America) lossis nrhiav cov dev no mus ib txhis hauv tsev nrog cov tsev neeg uas muaj peev xwm los daws lawv cov kev xav tau.
Hnub kawg, qee tus neeg raug kos rau qhov zoo nkauj ntawm ob-merle dev. Muaj qee leej pom cov ntsej muag dawb dawb zoo nkauj, thiab lawv txaus siab rau kev noj qab haus huv ntawm cov menyuam dev rau kev zoo nkauj.
Kev lees paub ntawm Dawb Great Danes
Tam sim no tseem tsis tau muaj txoj hauv kev zoo los yug cov xim dawb zoo nkauj hauv Great Danes. Vim li no, nws tsis zoo li tias dawb Great Danes yuav raug lees paub los ntawm txhua tus qauv yug tsiaj. Cov teeb meem kev noj qab haus huv cuam tshuam nrog cov xim dawb yog ntau thiab muaj ntaub ntawv zoo. Yog tias koj tab tom xav txog kev yug me nyuam koj tus dev-los yog yuav ob-merle lossis harlequin Great Dane-thov ua koj qhov kev tshawb fawb ntawm tus dev cov caj ces ua ntej. Xyuas kom koj nkag siab txog cov kev pheej hmoo uas cuam tshuam thiab npaj los them cov nqi kho mob-thiab mob siab-uas yuav tshwm sim los ntawm kev yug me nyuam ob npaug.
Top 3 Qhov Tseeb Txog Dawb Great Danes
1. Koj tuaj yeem kuaj cov noob merle
Yog tias koj txhawj xeeb txog kev pheej hmoo ntawm kev noj qab haus huv cuam tshuam nrog kev yug me nyuam ob tus dev, kev kuaj caj ces tuaj yeem ua rau koj muaj kev thaj yeeb nyab xeeb. Qhov kev sim yuav qhia rau koj seb koj cov dev puas muaj kev pheej hmoo kis tus kabmob merle rau lawv cov xeeb ntxwv.
2. Thaum ob tus dev merle tau bred, muaj 25% txoj hauv kev los tsim ob-merle Great Danes
Cov xim tseem ceeb ntawm tus dev merle yog qhia los ntawm lub peev "M" thiab cov xim tsis zoo yog qhia los ntawm tus lej "m". Raws li kev txheeb cais, cov xeeb ntxwv ntawm ob tus dev merle yuav yog 50% merle (Mm), 25%, tsis yog merle (mm), thiab 25% ob merle (MM).
3. Ob chav merles yuav luag ib txwm puas lossis xaus rau hauv cov chaw nyob
Thaum lawv tsis raug rhuav tshem hauv menyuam dev, ob tug menyuam dev yuav luag ib txwm nyob hauv chaw nkaum lossis cawm. Vim tias cov dev xav tau tshwj xeeb tsis tshua tau txais los yog cawm vim lawv tsis tuaj yeem saib xyuas, cov tsev nyob qee zaum yuav tsis txais lawv. Nws nkag siab tias yog vim li cas cov neeg feem coob tsis xav txais tus dev loj, xav tau siab heev.
He alth Implications for Double-merle White Great Danes
Hauv Great Danes, cov noob tsim dawb (xws li merle, harlequin, thiab piebald) yeej pom cov noob, uas ua rau lub cev tsis ua haujlwm ntawm cov xim. Cov noob caj noob ces cuam tshuam pigmentation thiab qauv ua ke. Lub merle noob de-pigments tus aub-nws lub xub ntiag yog rho tawm xim ntawm tus dev lub tsho tiv no, tsis yog ntxiv dawb. Biologically, qhov kev rho tawm ntawm cov xim no ua rau muaj teeb meem rau tus dev vim tias, ntxiv rau kev txwv cov xim, pigment plays lub luag haujlwm tiv thaiv thiab kev ua haujlwm hauv lub cev.
Double-merles tshwm sim thaum twg ob tug merle lossis harlequin dev-uas kuj muaj cov noob merle-tso cai kom muaj menyuam dev. Raws li qhov tsis muaj cov xim no, cov menyuam dev ob-merle yuav raug kev txom nyem los ntawm ntau yam kab mob hauv lub cev, yog tias lawv muaj sia nyob txhua qhov.
Ib qho teeb meem kev noj qab haus huv tshaj plaws uas ob-merle dawb Great Danes lub ntsej muag yog lag ntseg. Qhov no yog vim qhov tsis muaj melanin tuaj yeem ua rau muaj teeb meem nrog kev loj hlob ntawm pob ntseg. Thaum ib txhia ob-merle dawb Great Danes yug los lag ntseg, lwm tus yuav tsis hnov lus thaum lawv laus dua. Lwm qhov teeb meem kev noj qab haus huv uas cov dev no ntsib yog qhov muag tsis pom. Ib zaug ntxiv, qhov no yog tshwm sim los ntawm qhov tsis muaj melanin hauv lub qhov muag, uas tuaj yeem ua rau muaj teeb meem tsis pom kev. Cov teeb meem ntawm daim tawv nqaij kuj tseem muaj nyob rau hauv ob-merles. Qhov no feem ntau yog vim tsis muaj xim nyob hauv daim tawv nqaij, uas tuaj yeem ua rau tshav ntuj lossis lwm yam teeb meem ntawm daim tawv nqaij.
Puas Dawb Zoo Nkauj Dane Ua Tus Tsi Zoo?
Cov neeg feem coob yuav pom zoo tias ib tug ob-merle White Great Dane tsis ua tus tsiaj zoo rau ntau tsev neeg. Lawv nquag ua rau qhov muag tsis pom kev thiab lag ntseg, thiab lawv feem ntau muaj cov kab mob caj ces uas ua rau lawv tsis zoo. Lawv cov teeb meem kuj ua rau lawv nyuaj rau kev cob qhia, thiab tib lub sijhawm, Danes xav tau kev tawm dag zog ntau. Qhov kev sib xyaw ua ke ntawm kev xav tau ua rau lawv nyuaj rau tus dev rau feem coob ntawm cov tswv.
Conclusion
Nyob rau hauv xaus, ob-merle Dawb Great Danes yuav tsum tsis txhob bred. Qhov no yog vim lawv feem ntau yug los lag ntseg lossis dig muag, thiab txawm tias lawv tsis yog, lawv muaj kev pheej hmoo ntau dua rau cov teeb meem kev noj qab haus huv no thaum lawv muaj hnub nyoog. Tus nab npawb ntawm cov dev tua los yog ua rau raug kev txom nyem vim yog ob-merle yug me nyuam yog tragic thiab unconscionable. Yog tias koj tab tom yuav ib lub merle lossis harlequin Great Dane, ua tib zoo tshawb fawb cov noob caj noob ces ntawm nws niam nws txiv thiab yog tias koj tab tom npaj yug me nyuam dawb Great Danes, thov xaiv lwm xim.
