1. Official Methods of Analysis;AOAC,1980
2. The Nutrient requirement of ruminant livestock;ARC,1980
3. Intake and digestibility of wheat straw diets by goats and sheep;Brown;J. Anim. Sci.,1985
4. Effect of urea supplementation on intake and utilization of a diet composed of whole barley and barley straw by immature goats and sheep;Cuddeford,1981
5. The intake and digestibility of Napier grass (Pennisetum purpureum) at four, five and six weeks of growth by goats and sheep in Trinidad;Devendra;Turrialba,1975