1. Energy and protein requirements of ruminants;AFRC,1993
2. Digesta passage in grazing lactating cows fed with or without corn;Berzaghi;J. Dairy. Sci.,1992
3. The relationship of herbage mass and characteristics to animal responses in grazing experiments;Burns,1989
4. Measurement of forage intake;Burns,1994
5. Energy expenditure of cattle grazing on pastures of low and high availability;Di Marco;Anim. Sci.,1996