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The rumen degradation and gas production characteristics (methane, carbondioxide) of leaves of 20 accessions of multipurpose trees (MPTs) from six genera: Acacia, Cajanus, Chamaecytisus Link, Erythrina, Leaucaena and Sesbania and some poisonous plants were investigated in vitro and in sacco in ru...


Siaw, D.E.K.A.Osuji, P.O.Nsahlai, I.V.[Evaluation of multipurpose tree germplasm: The use of gas production and rumen degradation characteristics]Evaluation of multipurpose tree germplasm: The use of gas production and rumen degradation characteristics

Six cattle (3 Boran (Bos indicus) and 3 crossbred (Bos indicus X Bos taurus) were fasted for 20 days to estimate the effect of fasting on the excretion of nitrogen (N) and purine derivatives (PD) in the urine. PD excretion (y) for each genotype was related to time (t in days) by means of an expon...


Osuji, P.O.Nsahlai, I.V.Khalili, H.[Effect of fasting on the urinary excretion of nitrogen and purine derivatives by Zebu (Bos indicus) and crossbred (Bos indicus X Bos taurus) cattle]Effect of fasting on the urinary excretion of nitrogen and purine derivatives by Zebu (Bos indicus) and crossbred (Bos indicus X Bos taurus) cattle

Six rumen cannulated sheep (26.1 (s.d. 2.24 kg live weight) given maize stover ad libitum were supplemented with either sunflower cake (SFC), decorticated cottonseed (CSC) or noug cakes (NGC) with or without crushed maize grain. The 6x6 Latin-square experiment studied the degradation properties o...


Sibanda, S.Osuji, P.O.Nsahlai, I.V.[The degradation of oilseed cakes and their effects on the intake and rumen degradability of maize stover given to Ethiopian Menz sheep]The degradation of oilseed cakes and their effects on the intake and rumen degradability of maize stover given to Ethiopian Menz sheep

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

Two experiments were conducted to investigate the effect of supplementation with fodder tree leaves on the utilization of teff straw. This was aimed at testing the hypothesis that forage supplements (e.g. sesbania) that disappear faster from the rumen compared with those that disappear slowly (eg...


Bonsi, M.L.K.Osuji, P.O.Nsahlai, I.V.Tuah, A.K.[Graded levels of Sesbania sesban and Leucaena leucocephala as supplements to teff straw fed to Ethiopian Menz sheep]Graded levels of Sesbania sesban and Leucaena leucocephala as supplements to teff straw fed to Ethiopian Menz sheep

The performance of 40 crossbred calves (Bos taurus, Friesian X Bos indicus, Boran) and 40 Zebu (Boran) calves, from live days after birth to 12 weeks of age, in two separate experiments, was evaluated regarding the effects of two levels of milk (2 or 3 L day-1) and two types of housing (barn (ind...


Osuji, P.O.Khalili, H.Umunna, N.N.Sibanda, S.Shenkoru, T.[Effect of level of milk feeding and type of housing on the performance of crossbred calves (Bos taurus X Bos indicus) and Zebu calves (Bos indicus)]Effect of level of milk feeding and type of housing on the performance of crossbred calves (Bos taurus X Bos indicus) and Zebu calves (Bos indicus)

The effects of two cropping systems (1 and 2) on grain and fodder yields and nutritive quality of the fodder were studied in a randomized complete block desgin experiment over a period of two cropping years. Crops and crop combinations in system 1 were oat-vetch, wheat-trifolium, teff straw, and ...


Crosse, S.Umunna, N.N.Osuji, P.O.Khalili, H.Tegegne, AzageTedla, A.[Comparative yield and nutritive value of forages from two cereal - legume based cropping systems. 1. Crop yields and the nutritive value of forages]Comparative yield and nutritive value of forages from two cereal - legume based cropping systems. 1. Crop yields and the nutritive value of forages

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

This study examined the influence of dietary variation on the usefulness of urinary spot purine derivatives (PD) collected at three periods (8:00-9:30, 14:00-15:30 and 20:00-21:30 hours) as predictors of intake by cattle. Diets comprised teff (Eragrostis tef) straw, fresh and dried Napier grass a...


Nsahlai, I.V.Osuji, P.O.Umunna, N.N.[Effect of form and of quality of feed on the concentrations of purine derivatives in urinary spot samples, daily microbial N supply and predictability of intake]Effect of form and of quality of feed on the concentrations of purine derivatives in urinary spot samples, daily microbial N supply and predictability of intake

Acacia angustissima has potential as a fodder tree, but was toxic to sheep when fed without adaptation at levels higher than 50 g per day in previous studies. In the present study it was determined that rats are sensitive to anti-nutritional factor(s) of A. angustissima and can therefore be used ...


Smith, A.H.Odenyo, A.A.Osuji, P.O.Wallig, M.A.Kandil, F.E.Seigler, D.S.Mackie, R.I.[Evaluation of toxicity of Acacia angustissima in a rat bioassay]Evaluation of toxicity of Acacia angustissima in a rat bioassay

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