
Stable carbon isotopes accurately predict diet selection by sheep fed mixtures of C3 annual pastures and saltbush or C4 perennial grasses
Keywords: واسنجی یا کالیبراسیون; δ13C technique; Atriplex nummularia; Calibration; Dietary ecology; Digestibility; Faeces; Fractionation; Grazing systems; Urine; Wool