Chromic oxide as a digestibility marker for dogs - A comparison of methods of analysis - Carciofi, Aulus Cavalieri; Vasconcellos, Ricardo Souza; Oliveira, Luciana Domingues de; Brunetto, Márcio Antônio; Valério, Ana Gabriela; Bazolli, Rodrigo Sousa; Carrilho, Elma Neide Vasconcelos Martins; Prada, Flávio (Animal Feed Science and Technology, 2007)