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Odenyo, A.A.JunSang, H.Osuji, P.O.[Isolation and evaluation of bacteria from indigenous African animals for evidence of superior cellulolytic enzymes (Challenges for Microbial Digestive Ecology)]Isolation and evaluation of bacteria from indigenous African animals for evidence of superior cellulolytic enzymes (Challenges for Microbial Digestive Ecology)

The major limitation to ruminant production in many tropical regions of Africa, Asia and Australia is poor nutrition. Annual growth rates of animals are restricted by the low nitrogen and high fiber content of the native grasses and crop residues that form the basis of the diets in these regions....


McSweeney, C.S.Odenyo, A.A.Krause, D.O.[Rumen microbial responses to antinutritive factors in fodder trees and shrub legumes]Rumen microbial responses to antinutritive factors in fodder trees and shrub legumes

Acacia angustissima is a tropical legume, which has potential as a fodder tree, but contains secondary compounds which have an anti-nutritional effect in ruminants. This study was designed to indicate whether condensed tannins alone are responsible for the anti-nutritional affect or whether non-p...


Smith, A.H.Wallig, M.A.Seigler, D.S.Odenyo, A.A.McSweeney, C.S.Mackie, R.I.[Ameliorating the toxic effects of Acacia angustissima with polyethylene glycol in rats]Ameliorating the toxic effects of Acacia angustissima with polyethylene glycol in rats

A study was carried out to determine if the protozoal fauna of indigenous African wild ruminants was different from that found in their domestic counterparts and if the animal's diet influenced the number and types of protozoa. Samples of rumen contents were collected in 1997 and 2001 from variou...


Dehority, B.Odenyo, A.A.[Influence of diet on the rumen protozoal fauna of indigenous African wild ruminants]Influence of diet on the rumen protozoal fauna of indigenous African wild ruminants

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 effect of Acacia angustissima on rumen fermentation was evaluated. Acacia angustissima was fed to two groups of cannulated Ethiopian highland sheeOne group (three animals) was directly supplemented with 300 g per head day-1 of sun-dried A. angustissima. These animals died after 9 and 21 days ...


Odenyo, A.A.Osuji, P.O.Karanfil, O.Adinew, K.[Microbiological evaluation of Acacia angustissima as a protein supplement for sheep]Microbiological evaluation of Acacia angustissima as a protein supplement for sheep

Two strains of obligately anaerobic cellulolytic bacteria designated as PS7 and PS8 (PS for porcupine species) were isolated from hindgut fluid of a crested porcupine (Hystrix cristata). The rates of cellulose degradation, total volatile fatty acids, and gas production from cellulose by the isola...


Odenyo, A.A.Bishop, Richard P.Asefa, G.Wells, C.Osuji, P.O.[Isolation and characterization of anaerobic cellulose-degrading bacteria from East African porcupine (Hysterix cristata)]Isolation and characterization of anaerobic cellulose-degrading bacteria from East African porcupine (Hysterix cristata)

The effect of five multipurpose trees (MPTs), Acacia angustissima, Acacia saligna, Chamae-cytisus palmensis, Leucaena pallida and Sesbania sesban on ciliate protozoa was investigated in rumen cannulated Ethiopian sheeBoth entodiniomorphs and holotrichs were counted. The protozoa counts from S. se...


Odenyo, A.A.Osuji, P.O.Karanfil, O.[Effect of multipurpose tree (MPT) supplements on ruminal ciliate protozoa]Effect of multipurpose tree (MPT) supplements on ruminal ciliate protozoa

Supplementation of basal diets with multipurpose trees (MPTs) increases essential nutrients available to rumen microbes, increases rate of passage of particulate matter by 23-53 percent and of liquid matter by 9-43 percent. Supplementing teff straw with graded levels of cowpea or lablab significa...


Osuji, P.O.Odenyo, A.A.[The role of legume forages as supplements to low quality roughages - ILRI experience]The role of legume forages as supplements to low quality roughages - ILRI experience

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