selected publications
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article
- Nutrient Management in Livestock Systems in West Africa Sahel with Emphasis on Feed and Grazing Management 2018
- Sesbania sesban as a fodder tree in Ethiopian livestock farming systems: Feeding practices and farmers' perception of feeding effects on sheep performance. Livestock Science. 139:135-141. 2011
- Collecting, Processing and Storage of Plant Materials for Nutritional Analysis 2010
- Effect of supplementation of Sesbania sesban on post-weaning growth performance and sexual development of Menz sheep (Ethiopia). Livestock Science. 121:108-116. 2009
- Effect of supplementation of Sesbania sesban on reproductive performance of sheep. Livestock Science. 121:117-125. 2009
- Effect of supplementation of Sesbania sesban to lactating ewes on milk yield and growth rate of lambs. Livestock Science. 121:126-131. 2009
- Farmers’ perceptions about exotic multipurpose fodder trees and constraints to their adoption. Agroforestry Systems. 73:141-153. 2008
- The effect of supplementing maize stover with cowpea ( Vigna unguiculata) haulms on the intake and growth performance of Ethiopian sheep.. Animal. 2:954-961. 2008
- Implications of restricted access to grazing by cattle in wet season in the Sahel. Journal of Arid Environments. 72:523-533. 2008
- Multipurpose fodder trees in the Ethiopian highlands: Farmers' preference and relationship of indigenous knowledge of feed value with laboratory indicators. Agricultural Systems. 96:184-194. 2008
- Gastrointestinal passage of Sahelian roughages in cattle, sheep and goats, and implications for livestock-mediated nutrient transfers. Animal Feed Science and Technology. 137:93-114. 2007
- Supplementation with groundnut haulms for sheep fattening in the West African Sahel.. Tropical Animal Health and Production. 39:207-216. 2007
- Evidence for different nutrient partitioning in Boran (Bos indicus) and Boran x Holstein cows when re-allocated from low to high or from high to low feeding level.. Journal of Veterinary Medicine Series A-physiology Pathology Clinical Medicine. 53:383-393. 2006
- Coping with feed scarcity in smallholder livestock systems in developing countries 2005
- Growth and feed conversion of Boran (Bos indicus) and Holstein×Boran heifers during three physiological states receiving different levels of a tropical diet. Livestock Production Science. 89:159-173. 2004
- Effect of feeding history of milk production and plasma IGF-1 level in indigenous Ethiopian and crossbred cows. Journal of Animal and Feed Sciences. 13:495-498. 2004
- Long-term response to feeding level in lactational performance of Boran (Bos indicus) and Boran X Holstein cows. Animal Science. 78:331-343. 2004
- Relationship of body fat stores and leptin expression in adipose tissue in African cows of different genotype. Journal of Animal and Feed Sciences. 13:409-412. 2004
- Sustainable crop-livestock production for improved livelihoods and natural resource management in West Africa. Proceedings of an international conference 2004
- Water intake and nutrient balances of Holstein X Boran cows fed a low-quality tropical diet 2004
- Approaches to improve the utilization of food-feed crops—synthesis. Field Crops Research. 84:213-222. 2003
- Improving the production and utilization of cowpea as food and fodder.. Field Crops Research. 84:169-177. 2003
- The Effect of Supplementation with Fresh Browse of Ziziphus mauritiana or Combretum aculeatum on Feed Intake, Nitrogen Utilization and Growth of Grazing Range Sheep. Tropical Animal Health and Production. 35:465-476. 2003
- Body composition of cows kept under tropical conditions: Carry-over effects of feed fluctuation 2003
- Relationship of plane of nutrition, milk yield and plasma hormones and metabolites in dairy cows kept under tropical conditions 2003
- Effect of type and level of roughage offered to sheep and urine addition on compost quality and millet growth and production in the Sahel. Nutrient Cycling in Agroecosystems. 62:203-208. 2002
- Influence of dry season supplementation for cattle on soil fertility and millet (Pennisetum glaucum L.) yield in a mixed crop/livestock production system of the Sahel. Nutrient Cycling in Agroecosystems. 62:209-217. 2002
- Conversion of digestible organic matter into weight gain by Boran and Boran x Holstein heifers in different physiological states 2002
- Day and night grazing by cattle in the Sahel 2002
- Effect of groundnut cake and P on millet stover utilisation and nutrient excretion by sheep. Tropical Agriculture. 79:31-35. 2002
- In vitro gas techniques and efficiency of microbial substrate degradation 2002
- Weight development of lifetime underfed cows of different genotype (Zebu or Zebu x Friesian) in the tropics 2002
- Effect de differents types d'amendements sur le rendement du nil et la fertilite du sol au Sahel 2001
- Effect of timing and duration of grazing of growing cattle in the West African Sahel on diet selection, faecal output, eating time, forage intake and live-weight changes. Animal Science. 72:117-128. 2001
- The contribution of livestock to soil fertility. 2001
- Water balance as well as nutrient utilization of Boran x Friesian dairy cows at different stages of lactation fed low quality diets 2001
- A note on the chemical composition, intake and digestion of Striga hermonthica herbage by sheep. Weed Research. 40:351-358. 2000
- Herders' perceptions, practice, and problems of night grazing in the Sahel: Case studies from Niger. Human Ecology. 28:109-129. 2000
- Effect of nocturnal grazing and supplementation on diet selection, eating time, forage intake and weight changes of cattle. Animal Science. 71:333-340. 2000
- Effect of nocturnal grazing and supplementation on diet selection, eating time, forage intake and weight changes of cattle 2000
- Selective grazing by cattle on spatially and seasonally heterogeneous rangeland in Sahel. Journal of Arid Environments. 42:261-279. 1999
- Effects of livestock grazing on physical and chemical properties of sandy soils in Sahelian rangelands. Journal of Arid Environments. 41:231-245. 1999
- Urine effects on soil chemical properties and the impact of urine and dung on pearl millet yield. Experimental Agriculture. 34:259-276. 1998
- Nutrition of draught oxen in semi-arid West Africa. 2. Effect of work on intake, apparent digestibility and rate of passage of food through the gastro-intestinal tract in draught oxen given crop residues. Animal Science. 64:217-225. 1997
- Nutrition of draught oxen in semi-arid west Africa .3. Effect of body condition prior to work and weight losses during work on food intake and work output. Animal Science. 64:227-232. 1997
- Nutrient cycling in integrated rangeland/cropland systems of the Sahel. Agricultural Systems. 52:143-170. 1996
- Soil fertility maintenance and food crop production in semi-arid West Africa: Is reliance on manure a sustainable strategy? 1995
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document
- Maize and livestock: their inter-linked roles in meeting human needs in Ethiopia 2008
- Genotype differences in the long-term response to different levels of energy supply of dairy cows kept under tropical conditions 2003
- Cowpea as a key factor for a new approach to integrated crop-livestock systems research in the dry savannas of West Africa 2002
- Lifetime under-nutrition and lactation performance of Zebu and Zebu x Holstein cows in the tropics 2002
- Milk performance of lifetime underfed cows of different genotype (Zebu or Zebu x Friesian) in the tropics 2002
- Effect of timing and duration of grazing of growing cattle in the West African Sahel on diet selection, faecal output, eating time, forage intake and live-weight changes and nutrition and performance of cattle 2001
- Herders' perceptions, practice, and problems of night grazing in the Sahel: Case studies from Niger 2000
- Optimizing the contribution of cowpea to food and fodder production in crop-livestock systems in West Africa 1997
- Livestock and sustainable nutrient cycling in mixed farming systems of sub-Saharan Africa. Volume II: Technical papers. Proceedings of an international conference 1995
- Effect of food allowance on diet selectivity and intake of pearl millet (Pennisetum glaucum) stover leaves by sheep 1994