Achard, F. and Chanono, M.
1995. [Animal performance of a livestock production system in Toukounous in the Sahelian Niger.] Sécheresse
1966. The special senses in grazing animal Sights. I. and dietary habits in sheep. Australian Journal of Agricultural Research
Arnold, G.W. and Dudzinski, M.L.
1978. Ethology of free-ranging domestic animals. Development in Animal and Veterinary Sciences 2, Elsevier, Amsterdam.
Association of Official Analytical Chemists. 1990. Official methods of analysis of the AOAC, volume 1, 15th edition (ed. Helrich, K.C.). Association of Official Analytical Chemists Inc., Arlington, Texas.
1998. Influence of grazing regimes on cattle nutrition and performance and vegetation dynamics in Sahelian rangelands. Ph.D. thesis, Wageningen Agricultural University, Wageningen.
1986. Agropastoral herding practices and grazing behaviour of cattle in the subhumid zone of Nigeria. ILCA Bulletin
Breman, H. and De Wit, C.T.
1983. Rangeland productivity and exploitation in the Sahel. Science
Breman, H. and Ridder, N. de.
1991. [Manual on Sahelian rangelands.] Karthala/ACCT/CTA, Paris/Wageningen.
Coppock, D.L., Ellis, J.E. and Swift, D.M.
1987. Seasonal food habits of livestock in south Turkana, Kenya. East African Agriculture and Forestry Journal
Coppock, D.L., Ellis, J.E. and Swift, D.M.
1988. Seasonal patterns of activity, travel and water intake for livestock in south Turkana, Kenya. Journal of Arid Environments
Cordova, F.J., Wallace, J.D. and Pieper, R.D.
1978. Forage intake by grazing livestock: a review. Journal of Range Management
Dicko, M.S. and Sangaré, M.
1986. Feeding behaviour of domestic ruminants in Sahelian zone. In Rangelands: a resource under siege (ed. P. J. Joss, , Lynch, P.W. and Williams, O.B.), pp. 389–390. Australian Academy of Science, Canberra.
Fernández-Rivera, S., Ayantunde, A., Hiernaux, P.H. Y. and Turner, M.
1996. Nocturnal grazing effects on the nutrition of cattle. Journal of Animal Science
74: (supplement 1) 200 (abstr.).
Fernández-Rivera, S., Williams, T.O., Hiernaux, P. and Powell, J.M.
1995. Faecal excretion by ruminants and manure availability for crop production in semi-arid West Africa. In Livestock and sustainable nutrient cycling in mixed farming systems of sub-Saharan Africa (ed. Powell, J. M., Fernández-Rivera, S., Williams, T.O. and Renard, C.), volume II: technical papers, pp. 149–169. International Livestock Centre for Africa, Addis Ababa.
1995. Voluntary food intake and diet selection in farm animals. CAB International, Wallingford.
1995. [Assessing the vegetation dynamics in pastoral production systems in the Sahelian Chad.] Thése d’Université, Paris XII-Créteil.
Kahn, H.E. and Spedding, C.R.W.
1984. A dynamic model for the simulation of cattle herd production systems. II. An investigation of various factors influencing the voluntary intake of dry matter and the use of the models in their validation. Agricultural Systems
1983. Livestock water needs in pastoral Africa in relation to climate and forage. ILCA report no. 7. International Livestock Centre for Africa, Addis Ababa.
Menke, K.H., Raab, L., Salewski, A., Steingass, H., Fritz, D. and Schneider, W.
1979. The estimation of the digestibility and metabolizable energy content of ruminant feeding stuffs from gas production when they are incubated with rumen liquor in vitro
. Journal of Agricultural Science, Cambridge
1991. Diet selection by grazing animals. Proceedings of the Nutrition Society
1987. Effects of night enclosure and extensive walking on the productivity of zebu cattle. Journal of Agricultural Science, Cambridge
Powell, J.M., Fernández-Rivera, S., Hiernaux, P. and Turner, M.D.
1996. Nutrient cycling in integrated rangeland/cropland systems of the Sahel. Agricultural Systems
Romney, D.L., Sendalo, D.S.C., Owen, E., Mtenga, L.A., Penning, P.D., Mayes, R.W. and Hendy, C.R.C.
1996. Effects of tethering management on feed intake and behaviour of Tanzanian goats. Small Ruminants Research
1995. The influence of different levels of supplementation on feed intake and nutrient retention of zebu cattle in Sahelian agro-pastoral systems. Ph.D. thesis, University of Hohenheim.
Statistical Analysis Systems Institute. 1987. SAS/STAT for personal computers. SAS Institute, Cary, NC.
1990. Grazing management.
Academic Press Inc., San Diego, California.
Van Soest, P.J., Robertsons, J.B. and Lewis, A.B.
1991. Methods for dietary fibre, and nonstarch polysaccharides in relation to animal nutrition. Journal of Dairy Science
Wallace, J.D., Hyder, D.N. and Dyne, G.M.van.
1972. Salivary contamination of forage selected by oesophageally fistulated steers grazing sandhill grassland. Journal of Range Management
Wigg, P.M. and Owen, A.M.
1973. Studies on water consumption, night-grazing and growth of Boran and crossbreed steers at Kongwa, Tanzania. East African Agriculture and Forestry Journal