"Highnicalis" Reindeer imatha kubweretsa kufa

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"Highnicalis" Reindeer imatha kubweretsa kufa

Zaka makumi angapo zapitazo ku Reindeer omwe amakhala kumapiri a kolephekitsa ku Norway, adawona machitidwe achilendo kwambiri: adadya nyanga. Izi zimapezeka payokha, zimapezeka nthawi zambiri pamimbulu yopanda kuwulula: Osteaphagia imalola kuti ndalama za mchere zimafunikira kukulitsa nyanga ndi ziboda. Koma nthawi zambiri nyamazo zimatambasuka zidatsikira nyanga, zimawaluma kuchokera kumutu kwa oyandikana nawo.

Kenako, m'ma 1980, za anthu ena amapeza asanu ndi atatu okha a agwape. Chakumapeto kwa 2000s - kale mu 72 peresenti, ndipo tsopano kuchuluka kwa "zowawa" kwa 97 peresenti, ndipo mosasamala kanthu za amuna: kumpoto kwa amuna, komanso akazi. Izi zikunenedwa mu nkhani yomwe inasindikizidwa mu Magazini ya Science inanso. Olemba ntchitoyo - Atle Mysterd ndi anzawo ochokera ku OSLLU University - Sonyezani kulumikizana pakati pa "nyansi yomwe ili pakati pa" nyanga "yotere komanso unyinji wa nyama, zolembedwa mu 2017-2018.

Kuchokera pamwambapa - zazikazi zinagwedeza nyanga za akazi ena, pansipa - zoterezi "zisudzo" / © Mysterd et al., 2020

Kenako anthu zikwizikwi akumaloko adazizwa ndi mantha omwe "amadwala kwambiri" (matenda owopsa, Cwd). Ichi ndi matenda amtengo wapatali chifukwa cha mapuloteni ndi osakhazikika. Mwa zina zotchuka kwambiri zodziwika bwino ngati "matenda a ng'ombe" ndi koundolo, akukhudza anthu. Miliri imagunda minyewa yamanjenje ndipo imapatsirana nyama zina mukamadya. Ichi ndichifukwa chake asayansi adanenanso kuti pakhoza kukhala kulumikizana pakati pa nyanga ndi kufa kwa cwd.

Kamera yomwe idayikidwa pafupi ndi odyetsa omwe adathandizira kufufuza momwe mphete zikuwomberedwe / © Mysterd et al., 2020

"Nyanga zimatha kukula pa liwiro lochititsa chidwi, mpaka masentimita awiri kapena atatu patsiku," olemba ntchito akukula amalowetsedwa ndi mitsempha ya trigeminal. " Mwachidziwikire, miliri imatha kufalitsa m'maselo awa, koma sanapezebe umboni wawo wachindunji wa kupezeka kwawo mu nyanga za reindeer. Chifukwa cha zinthu zachilendo zotere sizikudziwika.

Amuna a reindeeer amalandila nyanga ndi kuyamba kwa dzinja ndikukula kupita chilimwe; Kwa iwo, Nyanga zimatumikiranso, zikuwoneka kuti, m'chigawo chomwechi, chida cha ulamulirowo, chofanana ndi ngwazi zina. Mwa akazi, zonse zimachitika motsutsana: zimaponyera nyanga kumapeto kwa kasupe ndi nyengo yachisanu. Zimathandizira kupikisana ndi amuna a chakudya munthawi yozizira. Kuphatikiza apo, mabwinja a akazi sakhala ankhanza kwambiri, omwe amapangitsa kukhala kosavuta kukula kwa ana obadwa kumene.

Komabe, kukulitsa kulimba pachaka chatsopano - ntchitoyi ndi yodula kwambiri. Kuchuluka kwa agwape munthawi yayitali kwa zaka zambiri sizikhala bwino, kuperewera kwa malo odyetserako malo odyetserako komanso, chakudya. Asayansi akusonyeza kuti mtundu wachilendo wa "nyanga" yomwe ingayambitse nthawi zonse kubwezeretsa zinthu zosowa. Mutha kukumbukira kuti agwanje pa Svalbard, omwe amakhalanso ndi chakudya, adalowetsedwa kudya kabichi ya nyanja.

Source: Sayansi yamanyazi

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