1. AOAC (Association of Official Analytical Chemists), 1975. Official methods of analysis, 12th Edition. AOAC, Washington, DC.
2. Methods to improve utilization of rice straw II. Effects of different levels of feeding on intake and digestibility of untreated and urea ammonia treated rice straw;Badurdeen;AJAS,1994
3. Rumen degradation of straw 4. Selection and degradation of morphological components of barley straw by sheep;Bhargava;Anim. Prod.,1988
4. Effect of amount offered on intake, digestibility and value of Gliricidia sepium and Leucaena leucocephala for West African Dwarf goats;Bosman;Small Rumin. Res.,1995
5. Dumas, R., Raymond, H., 1974. L’élevage des petits ruminants dans les circonscriptions de Kaya, Ouahigouya et du Sahel. Maison Alfort edition. Institut d’Elevage et de Médecine Véterinaire (IEMVT), Montpellier.