Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Kupfuura: Inokonzerwa nebhakitiriya inonzi Mycoplasma mycoides, uye zviratidzo zvacho ipneumonia uye kuzvimba kwemakemikari emapapu. Nguva yokuraramira iri pakati pemazuva 20 kusvika ku123. Yakanga yakapararira zvikurukuru muUnited States muna 1879, ichikanganisa mapoka anobva mumatunhu anoverengeka. Kupararira kwacho kwakanga kwakakomba kwazvo zvokuti kwakaguma nokurambidzwa kutengeserana nehurumende yeBritain, kuchidzivisa kutengeswa kwemombe dzeU.S. kuBritain neCanada. Izvi zvakaita kuti United States itange Bureau of Animal Industry, yakavambwa muna 1884 kuti iparadze chirwere ichi, icho chakabudirira kuita muna 1892.Louis Willems, chiremba wekuBelgium, akatanga basa rekupayona mumakore ekuma1850 pakubaiwa majekiseni emhuka kurwisa chirwere ichi. Utachiona uhwu hwakapararira muAfrica, kuMiddle East, kumaodzanyemba kweEurope, pamwe nemamwe mativi eAsia. Rudzi rwunofamba nemhepo, uye runogona kufamba makiromita anoverengeka mumamiriro ezvinhu akakodzera.  Mubvunzo: Nguva yokuvanda inogona kugara kwenguva yakareba sei?
Mazuva 20 kusvika ku123