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There is an increasing interest among researchers, practitioners and donors in using agricultural innovation system approaches to reach development outcomes. Limited practical experiences have been shared on the dynamics of these innovation processes and how project partners have dealt with that....
The investigation of voluntary feed intake (VFI) and nitrogen retention (NRET) during parasitic infections in small ruminants is the central theme of this thesis. An attempt was made to examine the effects of trypanosomiasis on feed intake, digestibility, nitrogen retention and animal products. I...
The research described in this thesis was carried out to investigate the phenotypic basis of resistance to diminazene (Berenil R) in Trypanosoma congolense. Earlier work has shown that, in both goats and mice, the majority of T. congolense trypanosomes which reappear following treatment with dimi...
Approximately 25 % of the world’s land surface support about 20 million households or about 180–200 million people in pastoral areas (Degen, 2007). Pastoral production systems are low external input systems that Kaufmann (2007) characterizes as probabilistic ra...
Local skin reactions (chancres) developed in goats at the sites of deposition, by tsetse flies, ofLocal skin reactions (chancres) developed in goats at the sites of deposition, by tsetse flies, of metacyclics of Trypanosoma congolense. The chancres developed much faster and were more pronounced w...
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