Feedlot performance of dorper wether lambs fed Opuntia-based diets with different nitrogen sources Author/Editor(s): Shiningavamwe, K.L.de Waal, H.O.Schwalbach, L.Els, J.Date of publication: 2010RUFORUM Conferences and Workshops Read more about Feedlot performance of dorper wether lambs fed Opuntia-based diets with different nitrogen sources