Dose-effect relationship of Dexamethasone (20mg/d vs 40mg/d vs 80mg/d) on lactation induction protocol in Holstein cows - Mingoti, Rodolfo Daniel; Ramos, Roney Santos; Bastos, Michele Ricieri; Rezende, Marcus Luciano Guimaraes; Roesler, Cleber; Traesel, Marcos; Baruselli, Pietro Sampaio (International Congress on Animal Reproduction - ICAR, 2016)