Horst, Egon Henrique, et al. “Fiber Composition and Degradability of Cold Season Green Forage and Pre-Dried Silage Harvested at Pre-Flowering”. Semina: Ciências Agrárias, vol. 38, no. 4, Aug. 2017, pp. 2041-50, doi:10.5433/1679-0359.2017v38n4p2041.