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Thirty-six male Ethiopian Menz sheep, given maize stover supplemented with either cottonseed cake, noug cake or sunflower cake with or without maize grain, were used in an 88-day study comprising growth and balance trials. There was no significant interactions. Sheep consumed significantly more s...


Osuji, P.O.Sibanda, S.Nsahlai, I.V.[Supplementation of maize stover for Ethiopian Menz sheep: effects of cottonseed, noug (Guizotia abyssinica) or sunflower cake with or without maize on the intake, growth, apparent digestibility, nitrogen balance and excretion of purine derivatives]Supplementation of maize stover for Ethiopian Menz sheep: effects of cottonseed, noug (Guizotia abyssinica) or sunflower cake with or without maize on the intake, growth, apparent digestibility, nitrogen balance and excretion of purine derivatives

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

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

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