Impacts of herbage mass and sward allowance of perennial ryegrass sampled throughout the growing season on in vitro rumen methane production
Keywords: اسید چرب فرار; ADFom; acid detergent fibre expressed exclusive of residual ash; aDMD; apparent DM disappearance; A:P; acetic acid to propionic acid; CP; crude protein; DM; dry matter; GHG; greenhouse gas; HL; high herbage mass and low sward allowance; HH; high herbage m