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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

Seasonal variation in feed supply, is recognised as an important constraint to animal production in the tropics. However, day to day fluctuations in quantity and quality of feed are also common in stall-fed animals on smallholder dairy farms. Opportunistic use of feeds available in small amounts,...


Sanda, I.Romney, D.L.Tauner, J.Thorne, Peter J.Leaver, J.D.[Effect of abrupt and frequent changes in forage quality on digestibility and performance of crossbred cattle offered Napier grass (Pennisetum purpureum) and barley straw]Effect of abrupt and frequent changes in forage quality on digestibility and performance of crossbred cattle offered Napier grass (Pennisetum purpureum) and barley straw

The effects on crossbred steer liveweight gain of alternating the same quantities of Napier grass and barley straw at five day intervals over a 40 day period was studied (Sanda et al, 1999. These animals lost significantly more weight (p<0.05) than animals on one and ten day frequencies of alter...


Sanda, A.Romney, D.L.Tanner, J.C.Thorne, Peter J.Leaver, J.D.[The effect of abrupt and frequent changes in forage quality on nitrogen balance in crossbred steers fed napier grass (Pennisetum purpureum) and barley straw]The effect of abrupt and frequent changes in forage quality on nitrogen balance in crossbred steers fed napier grass (Pennisetum purpureum) and barley straw

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