The use of rustic cattle is desirable to face challenges brought on by climate change. Maremmana (MA) and Aubrac (AU) are rustic cattle breeds that can be successfully used for sustainable production. In this study. correlations between two rearing systems (feedlot and grazing) and the rumen microbiota. https://www.pomyslnaszycie.com/western-321-cyl-reg-adaptor-cga-200-to-cga-510-online-sale/