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The role of livestock in nitrogen cycling in mixed crop-livestock farming systems of sub-Saharan Africa was explored. Cattle were fed a range of diets to investigate the effects on partitioning of nitrogen between urine and faeces and on the chemical composition of the manures produced. The trade...


Delve, Robert J.Cadisch, GeorgTanner, J.C.Thorpe, W.R.Thorne, Peter J.Giller, Ken E.[Implications of livestock feeding management on soil fertility in the smallholder farming systems of sub-Saharan Africa]Implications of livestock feeding management on soil fertility in the smallholder farming systems of sub-Saharan Africa

Concentrate feeds have become an important feature of dairy cattle diets on small-scale farms in the Central Kenya Highlands. Excreta derived from such diets can be of high quality if nutrient losses are minimized. Steers were fed a basal diet of Napier grass supplemented with either commercial d...


Lekasi, J.K.Tanner, J.C.Kimani, S.K.Harris, P.J.C.[Effects of poultry litter amended steer diets and subsequent manure collecting systems on nutrient recovery in composted manures]Effects of poultry litter amended steer diets and subsequent manure collecting systems on nutrient recovery in composted manures

Three hundred mixed, smallholder farms in Kariti location, Kandara Division, Maragua District, Central Kenya, were surveyed. Dairy cattle management practices, including type of animal enclosure, roofing, floor type, drainage, use of bedding, feeding of concentrates; and manure management pract...


Lekasi, J.K.Tanner, J.C.Kimani, S.K.Harris, P.J.C.[Cattle manure quality in Maragua District, central Kenya: Effect of management practices and development of simple methods of assessment]Cattle manure quality in Maragua District, central Kenya: Effect of management practices and development of simple methods of assessment

Developing countries continue to face the challenge of increasing poverty and depleting asset base of their predominantly rural populations. In sub-Saharan Africa (SSA) alone, over 70% of the population now live below the poverty line, and in South Asia the number of poor people exceeds 500 milli...


Kebreab, E.Smith, T.Tanner, J.C.Osuji, P.O.[Review of undernutrition in smallholder ruminant production systems in the tropics]Review of undernutrition in smallholder ruminant production systems in the tropics

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