ABSTRACT: The present study assessed the influence of the preceding crop (crotalaria or corn) on the bromatological. digestibility and microbiological aspects of the EMBRAPA 139 black oat hay (Avena strigosa) cultivar. A randomized block design was used. with subplots divided according to time. https://www.parisnaturalfoodes.shop/product-category/vitamin-b6-100mg/