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Osuji, P.O.Smith, Jimmy W.Khalili, H.[The role of physiology in the improvement of ruminant productivity in Africa]The role of physiology in the improvement of ruminant productivity in Africa

Several tannin-tolerant bacteria were isolated from enrichment cultures of rumen microflora of bush duiker, giraffe, Grant's gazelle, sheep, and goat, and established in medium containing crude tannin extracts or tannic acid. The isolates were characterized by classical and molecular methods. The...


Odenyo, A.A.Bishop, Richard P.Asefa, G.Jamnadass, Ramni H.Odongo, D.Osuji, P.O.[Characterization of tannin-tolerant bacterial isolates from East African ruminants]Characterization of tannin-tolerant bacterial isolates from East African ruminants

The capabilities of rumen fluid sources from indigenous African ruminants and hindgut fluid from zebra to ferment leaves of Acacia angustissima, Calliandra calothyrsus, Leucaena diversifolia, Leucaena leucocephala, Leucaena pallida, and Tephrosia bracteolata were evaluated to determine the presen...


Odenyo, A.A.McSweeney, C.S.Palmer, B.Negassa, D.Osuji, P.O.[In vitro screening of rumen fluid samples from indigenous African ruminants provides for rumen fluid with superior capacities to digest tannin-rich fodders]In vitro screening of rumen fluid samples from indigenous African ruminants provides for rumen fluid with superior capacities to digest tannin-rich fodders

Foliage of four multipurpose trees (Calliandra calothyrsus, Chamaecytisus palmensis, Leucaena diversifolia and Vernonia amygdalina) and a woody leguminous perennial (Lablab purpureus) were evaluated for their potential as protein supplements for sheep fed maize stover ad libitum. The chemical c...


Hindrichsen, I.K.Osuji, P.O.Odenyo, A.A.Madsen, J.Hvelplund, T.[Effect of supplementation of maize stover with foliage of various tropical multipurpose trees and Lablab purpureus on intake, rumen fermentation, digesta kinetics and microbial protein supply of sheep]Effect of supplementation of maize stover with foliage of various tropical multipurpose trees and Lablab purpureus on intake, rumen fermentation, digesta kinetics and microbial protein supply of sheep

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

Three strains of tannin-tolerant rumen bacteria were isolated from enrichment cultures of rumen microflora of sheep, goat, and antelope and established in medium containing high concentrations of crude tannin extract or tannic acid. These three strains (EAT2, ES3, and EG19), characterized as Sele...


Odenyo, A.A.Osuji, P.O.[Tannin-tolerant ruminal bacteria from East African ruminants]Tannin-tolerant ruminal bacteria from East African ruminants

Fermentation of legume fodder tree leaves by rumen microorganisms was evaluated. The substrates were sun-dried, ground leaves. Gas and volatile fatty acid (VFAs) production were estimated. Using gas production as an index of fermentation at 12 h, the leaves tested ranked as follows; Chamaecytisus...


Odenyo, A.A.Osuji, P.O.Negassa, D.[Microbial evaluation of fodder tree leaves as ruminant feed]Microbial evaluation of fodder tree leaves as ruminant feed

The experiment was carried out using a replicated (3x3) Latin square design with six sheep, to assess, the effect of supplementing maize stover fed ad libitum at three levels (100, 150 or 200 g) of Leucaena diversifolia. The sheep had an initial live weight of 26.4 kg (+ or -) 1.78 kg. In each pe...


Hindrichsen, I.K.Osuji, P.O.Odenyo, A.A.Madsen, J.Hvelplund, T.[Effects of supplementation of a basal diet of maize stover with different amounts of Leucaena diversifolia on intake, digestibility, nitrogen metabolism and rumen parameters in sheep]Effects of supplementation of a basal diet of maize stover with different amounts of Leucaena diversifolia on intake, digestibility, nitrogen metabolism and rumen parameters in sheep

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