Tsiku la Mdima wa Dziko lapansi ndilo tchuthi lapadziko lonse losavomerezeka, kubadwa kwake ndi 1996. Ngakhale kuti tchuthi silinawoneke kale kwambiri, ali ndi mafani ambiri, chifukwa mazira ndi amodzi mwa mankhwala ogwiritsidwa ntchito kwambiri komanso othandiza kwambiri.
Pali malingaliro olakwika akuti mazira amaletsa mlingo wa kolesterolini, koma kafukufuku waposachedwapa wamasayansi asayansi akhala akutsutsa zoterozo. Mazira ndi mankhwala omwe ali ndi choline, chinthu chomwe chimayambitsa mapangidwe a ubongo, ndipo choline imateteza matenda a mtima. Dzira ili ndi 12% ya mlingo woyenera wa tsiku ndi tsiku wa mapuloteni, mavitamini A, B6, B12, chitsulo, zinc, phosphorous.
M'mayiko ambiri padziko lapansi, mazira ndi chimodzi mwa zinthu zofunika kwambiri pa zakudya, komanso n'zosatheka kulingalira kuchuluka kwa mbale zophikidwa popanda kutenga mbali. Mankhwalawa amapezeka kwambiri ku Japan , pafupifupi kawiri, amadyedwa dzira limodzi patsiku pa wokhala m'dziko la Dzuwa.
Mbiri ya tchuthi
Mbiri ya Tsiku Ladziko Lonse la Mazira ndi awa: Komiti ya International Egg Commission, msonkhano ku Vienna, mu 1996, idakonza zokondwerera tsiku la "dzira" Lachisanu lachiwiri mu Oktoba kwa msonkhano wotsatira. Mamembala a msonkhanowu anawona kuti ndi kofunikira kukonzekera tchuthi lapadera la dzira ndi mbale zosiyanasiyana. Lingaliro limeneli linalimbikitsidwa ndi mayiko ambiri, makamaka opanga opanga mazira ambiri.
Mpaka lero, zochitika zambiri zosangalatsa zimathera nthawi, monga zikondwerero ndi zikondwerero. Komanso, misonkhano yayikulu ndi semina amasonkhanitsidwa, ndi kutenga mbali kwa akatswiri, komwe kumakhala kukambirana mafunso okhudzana ndi zakudya zoyenera, kutha ndi zochita zothandiza.