Ruzivo rwekutanga pamusoro pekuzvarwa uku rwakaonekwa munguva yekupera kwegumi nemapfumbamwe. Chirungu cheChirungu - rudzi rwakasara rusingatauriki nenguva, rwuri kuchengetedza zvigaro zvaro zvakanyanya.
Kwemakore 40 akapfuura kana zvakadaro, kune marudzi maviri eAmerican Bulldog breed: Johnson rudzi (Classical) uye Scott type (Standard). Rudzi rwekutanga runoratidzwa nemuviri mukuru, muzamu mutsva uye maitiro akachengetedzwa zvakanaka. Nokuti chechipiri inoratidzirwa nediki shoma zvakakwana, asi humwe hutambo hutano hwehutatu, humwe muzzle huripo uye hunozivikanwa hutsika yekutsvaga. Muchidimbu cheAmerican Bulldog breed, tsanangudzo yekunze yembwa inorondedzerwa zvakanyatsorongeka, pamwe nemamiriro ehutsika. Kunyange mumagwaro aya, kukanganisa kwemhuka idzi kunorondedzerwa, pakati pavo: kunyanya kupesana kana kunyanya kutyisa. IAmerican Bulldog breed standard ine zvinyorwa zvitsva, iyo yekupedzisira kwayo yakavimbika uye yakanyorova, haina zvigaro zvakasimba zvekukanganisa uye haifaniri kuregererwa mushure mokuratidzwa nemakwikwi, kana pane.
Bulldog yeAmerica - tsanangudzo yemhando yemarudzi
American Bulldog dogs, pasinei nekutsanangurwa kwavo kunorwadza, vane ushamwari hwakanaka uye rudo rwakadzama kumhuri dzavo. Imbwa idzi dzinoshamwaridzana nevasingazivi, uye dzinonyanya kuve nevana. Zvisinei, kana vasina kuberekwa kubva pazera remakore, hutachiona hwehutano hunoitika mumunhu wembwa huchavhiringidza hukama huri pakati pechipfu nemuiti, pamwe chete nedzimwe imbwa. Mamiriro ehurumende yeAmerican Bulldog inomupa seshamwari yakavimbika uye murindi, shamwari yakanakisisa. Sezvo nhoroondo inoratidzira, mhuka idzi, nehupenyu hwavo hwekudzidzira nekudzidzira, dzine pfungwa yakagadzikana yehukama hwepedyo, pamwe nekubatanidza kune tenzi wavo. Kuwana imbwa yekuberekwa muAmerican bulldog inokurudzirwa kune vane simba-vanoda uye vane chinangwa.