TY - JOUR T1 - Acacia mearnsii tannin extract as a feed additive: impact on feed intake, digestibility and nitrogen excretion by sheep fed a tropical grass-based diet JO - Ciência Rural A1 - Orlandi, Tiago A1 - Pozo, Claudio Antonio A1 - Mezzomo, Mariana Patrícia A1 - Kozloski, Gilberto Vilmar SN - 0103-8478 UL - 10.1590/0103-8478cr20200095 VL - 50 Y1 - 2020 PB - Brasil ER -