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The effect of dietary protein supplementation on the resistance of lambs to endoparasites was examined in Horro and Menz lambs artificially infected with Haemonchus contortus. The experimental design involved 2 breeds, 2 infection treatments (infected Vs non-infected) and 3 nutrition treatments. ...


Haile, AynalemTembely, S.Baker, R.L.Anindo, D.O.Mukasa-Mugerwa, E.Rege, J.E.O.Yami, A.[Effect of dietary protein supplementation on the resistance of lambs to artificial infection with haemonchus contortus - preliminary results]Effect of dietary protein supplementation on the resistance of lambs to artificial infection with haemonchus contortus - preliminary results
Kosgey, I.S.Arendonk, Johan A.M. vanBaker, R.L.[Breeding objectives for meat sheep in smallholder production systems in the tropics]Breeding objectives for meat sheep in smallholder production systems in the tropics
Lebbie, S.H.B.Yapi-Gnoare, C.V.Rege, J.E.O.Baker, R.L.[Current developments in the management of small ruminant genetic resources: Sub-Saharan Africa]Current developments in the management of small ruminant genetic resources: Sub-Saharan Africa

This Report compares the efficacies of three anthelmintics, each belonging to one of the broad spectrum groups. It also identifies the genera of resistant worms through larval culture. The study was conducted on a commercial farm where anthelmintics had been used intensively. The results show cle...


Mwamachi, D.M.Audho, James O.Magadi, M.Reynolds, L.Baker, R.L.[Evidence for multiple anthelmintic resistance of gastrointestinal nematodes in sheep in coastal Kenya]Evidence for multiple anthelmintic resistance of gastrointestinal nematodes in sheep in coastal Kenya

Sustainable livestock improvement cannot be guaranteed for most tropical areas of the world without utilization of the evolutionary adaptation of the indigenous livestock breeds. The paper summarizes the adaptive traits of indigenous tropical breeds, presents a case for their evaluation and discu...


Baker, R.L.Rege, J.E.O.[Genetic resistance to diseases and other stresses in improvement of ruminant livestock in the tropics]Genetic resistance to diseases and other stresses in improvement of ruminant livestock in the tropics
Baker, R.L.Audho, James O.Aduda, Eric O.Thorpe, W.R.[Genetic resistance to gastrointestinal nematode parasites in some indigenous breeds of sheep and goats in Kenya]Genetic resistance to gastrointestinal nematode parasites in some indigenous breeds of sheep and goats in Kenya

The economic and biological efficiency of cotton seed cake (CSC) and molasses urea block (MUB) supplementation to control gastrointestinal nematode parasites was examined in artificially infected Horro and Menz lambs from 3 to 12 months of age. The factorial O.xperimental design involved 2 breeds...


Haile, AynalemBaker, R.L.Rege, J.E.O.[Economics of gastrointestinal nematode parasite control: The case of protein supplementation]Economics of gastrointestinal nematode parasite control: The case of protein supplementation
Autor: Baker, R.L.

There is a large and diverse range of sheep and goat breeds in the world and some of these, particularly the indigenous tropical breeds, appear to have some unique genetic ability to resist or tolerate diseases. This paper reviews the information available on between-breed genetic variation for r...


Baker, R.L.[Characterisation and utilisation of sheep and goat breeds that are resistant to helminths]Characterisation and utilisation of sheep and goat breeds that are resistant to helminths

Red Maasai [Masai] and Dorper sheep were evaluated for their resistance to gastrointestinal nematode parasites (predominantly Haemonchus contortus), productivity and efficiency in experiments undertaken at the Kenyan coast (humid environment) and the Kenya highlands (semiarid environment). It was...


Baker, R.L.Mugambi, J.M.M.Audho, James O.Carles, A.B.Thorpe, W.R.[Comparison of Red Maasai and Dorper sheep for resistance to gastro-intestinal nematode parasites: Productivity and efficiency in a humid and a semi-arid environment in Kenya]Comparison of Red Maasai and Dorper sheep for resistance to gastro-intestinal nematode parasites: Productivity and efficiency in a humid and a semi-arid environment in Kenya

This study is evaluating the resistance of Red Maasai sheep to endoparasite infections relative to Dorper sheep and a range of Red Maasai x Dorper crosses. The results confirm previous Reports that both Red Maasai ewes and lambs are more resistant to endoparasites (predominantly Haemonchus contor...


Baker, R.L.Mwamachi, D.M.Audho, James O.Thorpe, W.R.[Genetic resistance to gastrointestinal nematode parasites in Red Maasai sheep in Kenya]Genetic resistance to gastrointestinal nematode parasites in Red Maasai sheep in Kenya

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