Melo, Airon Aparecido Silva de, et al. “Which Non-Fibrous Carbohydrates: Neutral Detergent Fiber Ratio Optimizes the Use of Cactus Cladodes in Diets of Growing Heifers?”. Semina: Ciências Agrárias, vol. 42, no. 6SUPL2, Oct. 2021, pp. 3947-60, doi:10.5433/1679-0359.2021v42n6SUPL2p3947.