Millions ntawm cov niam txiv tsiaj nyob ib ncig ntawm lub ntiaj teb no muaj cov dev ua tsiaj, tab sis lwm hom canine yeej tsis tau nyob hauv tsev. Jackals, piv txwv li, yog ib hom tsiaj qus uas muaj ntau yam zoo ib yam, qhov zoo, thiab kev xav zoo li cov dev hauv tsev. Tseeb tiag, jackals zoo li tus ntoo khaub lig ntawm tus dev thiab hma, tsuas yog me ntsis nyias. Hauv qee lub tebchaws, jackal menyuam dev tau tsa los ua tsiaj thiab coj zoo li cov dev hauv tsev. Xav txog tag nrho cov xwm txheej no uas ua rau lawv zoo sib xws begs ob nqe lus nug; cov dev thiab jackals puas tuaj yeem ua khub, thiab yog tias muaj, puas muaj jackal-dog hybrids?Cov lus teb rau ob nqe lus nug yog qhov tseeb.
Muaj cov jackal aub hybrids, thiab lawv tau nyob ib puag ncig rau ntau pua xyoo. Tias yog vim li cas dev thiab jackals tuaj yeem ua phooj ywg, ib yam li dev thiab hma. Yog tias koj xav paub ntau ntxiv txog jackal aub hybrids, suav nrog qhov lawv nyiam, lawv nyob ntev npaum li cas, lawv loj npaum li cas, thiab ntau ntxiv, nyeem rau! Peb muaj tag nrho cov ntsiab lus ntawm jackal dev rau koj hauv qab no!
Dab tsi, Tiag, Puas Yog Jackal Dog?
Ib tug aub yog ib tug jackal thiab ib tug aub uas sib yuav thiab tsim ib tug tshwj xeeb yug. Feem ntau, tus jackal yog txiv neej, tus dev yog poj niam, thiab lawv cov xeeb ntxwv ua ke ob leeg. Qee zaum, txawm li cas los xij, tus dev tuaj yeem yog txiv neej thiab poj niam jackal. Txawm li cas los xij tshwm sim, qhov tshwm sim yog ib tug canine uas yuav siv tom qab ob hom, uas txhais tau hais tias jackal dev tsis ib txwm zoo ib yam. Qee tus muaj cov plaub hau luv luv, tuab, thaum lwm tus muaj cov plaub hau ntev dua, nyias nyias nyob ntawm cov tsiaj me nrog cov jackal.
Interestingly, tsis hais tus dev yug, qhov tshwm sim jackal dev tag nrho zoo li ntau dua los yog tsawg dua qhov loj, uas yog hais txog qhov loj ntawm ib tug raug jackal. Qhov no feem ntau yog vim hais tias cov dev mating nrog jackals yog tag nrho ntau dua los yog tsawg dua tib yam li jackals, uas yog nruab nrab mus rau loj. Cov dev me me heev nrog jackals vim qhov sib txawv.
Yog Jackal Dog Hybrids Sterile?
Jackal dev tau ntseeg tias muaj menyuam tsis taus ntev vim lawv yog tus ntoo khaub lig ntawm ob hom dev. Txawm li cas los xij, kev tshawb fawb xyoo 2015 luam tawm los ntawm Royal Society tau pom tias cov dev jackal tuaj yeem muaj txiaj ntsig. Cov kws tshawb fawb tau tshawb pom tias cov cim kab mob tshwj xeeb tau dhau los ntawm poj niam jackal dev mus rau menyuam dev jackal dev, ua pov thawj tias lawv tuaj yeem ua rau menyuam mos.
Txoj kev tshawb no kuj pom tau hais tias, feem ntau, cov kev taw qhia coj los ntawm hybridization yog los ntawm poj niam jackals mating nrog domesticated dev. Nyob rau hauv luv luv, jackal-dog poj niam yog fertile thiab ua tau jackal-dog me nyuam.
Dos Jackal Dogs Ua Cov Tsiaj Zoo?
Veterinarians thiab tsiaj cov kws txawj tsis pom zoo kom yug me nyuam dev thiab jackals li, txawm tias lawv yog ib feem dev, jackal dev tseem qus thiab feem ntau tsis ua zoo tsiaj. Yog lawm, qee cov neeg tau bred ob hom thiab tsa cov jackal aub menyuam dev ua lawv cov tsiaj, tab sis lawv nyiam ua txawv me ntsis.
Piv txwv li, thaum lawv muaj kev hlub nrog tus neeg, lossis cov neeg, uas tau tsa lawv, tus dev jackal ib txwm yuav tsis qhib kev sib cuag nrog cov neeg txawv. Lawv kuj tuaj yeem txhom tau tab sis qee zaus tuaj yeem qab zib thiab ntxim nyiam.
Tsiaj Tsiaj Yuav Ua Li Cas Nrog dev?
Dab tsi yog qhov txaus nyiam ntawm canines yog qhov sib txawv ntawm kev yug me nyuam tuaj yeem tshwm sim ntawm txhua tus dev yug (txawm tias qee tus menyuam dev yuav tsis muaj menyuam). Piv txwv li, dev thiab hma tau interbreeding rau ntau tiam neeg. Nws tsis tshwm sim ntau zaus thiab feem ntau tsis yog los ntawm kev xaiv, tab sis nws tshwm sim.
Dog thiab Coyotes Mate nquag
Cov coyote yug nrog cov dev hauv tsev ntau zaus uas lawv cov xeeb ntxwv tam sim no muaj ob lub npe tshiab: dogote thiab coydog. Lub dogote yog thaum ib tug poj niam dev thiab ib tug txiv neej coyote yug, thiab coydog yog qhov opposite. Cov menyuam dev ntawm ob qho kev yug me nyuam yog suav tias yog tsiaj txhu tab sis feem ntau tsuas yog kev sib raug zoo nrog ib lossis ob tus neeg, uas tuaj yeem teeb meem yog tias tus tswv muaj ntau tus phooj ywg thiab tsev neeg.
Txawm li cas los xij, muaj qee zaus uas cov coydogs thiab dogotes tau raug tsa los ua tus hlub, maj, thiab nyiam tsiaj. Nws feem ntau yog nyob ntawm tus tsiaj tshwj xeeb thiab ib puag ncig uas nws tau tsa.
Dab tuaj yeem ua phooj ywg nrog txhua tus Canines
Tsis xav tsis thoob, dev tuaj yeem nrog hma thiab coyotes, uas yog dev qus. Txawm li cas los xij, ntau hom dev tuaj yeem ua phooj ywg zoo. Qhov ntawd txhais tau tias koj tus dev tuaj yeem ua phooj ywg nrog txhua tus canines hauv qab no yog tias lub sijhawm nthuav tawm nws tus kheej:
- African qus dev
- Bush dogs
- Dhole
- Hma liab
- Dingo
- Indian Hmab
- Hma Grey
- Ethiopian Hma
Thawj Daim Ntawv Qhia Txog Ib Tus dev Hybrid Jackal Tau Nyob Hauv 1700s
Qee lub sij hawm nyob rau hauv lub xyoo pua 18th, ib tug American naturalist hu ua John Hunter bred ib tug jackal nrog ib tug spaniel aub, sau txog kev yug me nyuam nyob rau hauv nws phau ntawv journal. Cov khub ntse muaj tsib tus menyuam dev. Nyob rau hauv lub xyoo pua 19th, tus naas ej naturalist Charles Darwin sau ntawv nyob rau hauv nws phau ntawv journal qhia txog ib tug mating nws tau pom ntawm ib tug jackal thiab ib tug dog dig dog dig. Hauv lwm lo lus, dev thiab jackals tau yug los rau ob peb puas xyoo.
Nyob rau thaum xyoo 1970, muaj ib qho kev pab me me hauv tebchaws Russia los tsim jackal aub hybrids. Thaum lub sij hawm, cov Russians ntseeg hais tias jackal dev tau zoo dua taug qab cov dev vim lawv muaj qhov hnov tsw zoo dua. Tsis tas li ntawd, vim hais tias lawv bred lawv jackals nrog huskies, qhov tshwm sim cov menyuam dev tuaj yeem tiv taus qhov txias zoo dua li cov jackal li niaj zaus los ntawm huab cua sov, huab cua sov. Cov menyuam dev uas tshwm sim tau hais tias yog dev sniffer zoo uas tuaj yeem ua rau Russia huab cua txias heev.
Txoj Kev Xav
Koj puas xav tsis thoob tias jackals thiab aub tuaj yeem ua khub thiab muaj qee tus neeg tau tsa tus dev jackal li tsiaj? Nws tsis yog ib qho kev coj ua, tab sis nws tau tshwm sim vim tias ntau hom canine tuaj yeem cuam tshuam nrog lwm cov canines, suav nrog cov dev uas yug nrog hma thiab coyotes.
Vim lawv cov genetic pleev thiab chromosome tooj zoo sib xws, nws yooj yim zoo nkauj rau dev thiab jackals los ua menyuam mos. Txawm li cas los xij, tsis zoo li kev sib tw ntawm cov dev thiab coyotes, uas tshwm sim feem ntau, ob peb tus neeg tau yug me nyuam dev nrog jackals, thiab koj yuav tsis tuaj yeem hla tus dev jackal ntau zaus. Yog tias koj ua, saib ntev vim tias tej zaum koj yuav tsis pom ib zaug ntxiv, thiab lawv yog ib qho zoo nkauj thiab zoo nkauj heev.
