00947naa a2200253 a 450000100080000000500110000800800410001910000200006024500760008026000090015652003100016565000110047565000140048665000120050065000230051265000100053565000120054565000150055765000150057265000110058765000140059865300230061277300580063515215792025-06-17       1964    bl uuuu     u00u1 u    #d1 aCAMPLING, R. C.  aFactors affecting the voluntary intake of grass.h[electronic resource]  c1964  aThere are two good reasons why work is necessary on this subject. Frist, the most efficient animals are likely to be those that eat most per unit of body-weigth. Second, economic returns are often limited because the voluntary intake of the animal restricts the amount of cheap foods that can be utilized.  aCattle  aDigestion  aPoaceae  aRuminant nutrition  aSheep  aCaprino  aFisiologia  aNutrição  aRúmen  aRuminante  aConsumo voluntario  tProceedings Nutrition Societygv. 23, p. 80-88, 1964.