Cov dev yog, tej zaum, qhov feem ntau mysterious los ntawm scientific point ntawm saib ntawm cov tsiaj. Qhov tseeb yog hais tias rau ob peb centuries lawv cov keeb kwm yog ib lub ntsiab lus rau scientific disputes. Tsis txhob nug tias tus dev yog tus kabmob vertebral ntawm lub plab zuj zus. Nws yog rau qhov kev txiav txim ntawm predatory, tsev neeg ntawm cov dev, tsev neeg ntawm cov dev thiab qhov pom ntawm domestic dev.
Dab tsi yog qhov theories ntawm lub keeb kwm ntawm dev?
Txog hnub tim, keeb kwm ntawm lub keeb kwm ntawm cov dev yog zoo txog hma, jackals, Australian dingo dev thiab lawj. Yog li, cov kws tshawb fawb piav txog lub hauv paus ntawm tus aub tsev los ntawm ob qho theories. Raws li thawj, lawv yog cov xeeb leej xeeb ntxwv ntawm tus hma (qhov no yog qhov tseemceeb ntawm Charles Darwin), thiab cov neeg ua yeeb yam ntawm ob txoj kev xav pom dev ua rau kev nkag ntawm cov khaub ncaws, hma thiab hma. Tsis ntev los no, peb lub tswv yim, uas Karl Linnaeus tau muab tso rau yav tom ntej, kuj tau txais txoj cai rau lub neej. Qhov tseeb kev tshawb fawb caj dab tsis ncaj qha los tshawb pom tias cov jackals thiab hma hauv kev coj yaj yog ib qho txwv zeej txwv koob, uas tau ploj lawm.
Nws yog rau qee tus paub tias nyob rau hauv Hnub Nyoog Hnub nyoog qhov kev faib tawm ntawm cov dev ntxhais muaj tsib hom:
- Mastiffs;
- greyhounds (greyhounds);
- hma-zoo li dev;
- tswv yug yaj dev;
- zoo li pointer-li dev.
Xav seb lub hauv paus ntawm cov tsiaj dev, cov neeg tshawb xyuas tuaj rau qhov xaus hais tias lawv tshwm los ntawm domestication thiab tom ntej yug me nyuam ntawm cov tsiaj. Niaj hnub no, cov kab uas muaj tam sim no ntawm cov dev tau muab faib ua peb pawg loj: kev yos hav zoov, kev pabcuam, sab hauv tsev thiab zoo nkauj. Ntau ntau yog cov pov thawj ntawm kev xaiv thiab txhav xaiv, uas yog nyob rau hauv daim ntawv cog lus zoo nrog txoj kev uas peb cov poj koob yawg koob tau tiv thaiv rau kev muaj peev xwm.
Xijpeem yog, tus aub, qhov puavpheej ntawm kev ua neej ntawm hnub 25-30 lab lub xyoo, tau thiab tseem yog ib tus phooj ywg zoo thiab pabcuam ntawm cov neeg.