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Osuji, P.O.Tegegne, AzageUmunna, N.N.Saarisalo, E.M.[Undernutrition of cattle in smallholdings in tropical agricultural production systems]Undernutrition of cattle in smallholdings in tropical agricultural production systems
Mpairwe, D.R.Sabiiti, E.N.Umunna, N.N.Tegegne, AzageOsuji, P.O.[Body weight changes, body condition score and reproductive performance of crossbred cows fed maize-lablab stover or oats-vetch hay ad libitum and supplemented with graded levels of lablab hay and/or wheat bran]Body weight changes, body condition score and reproductive performance of crossbred cows fed maize-lablab stover or oats-vetch hay ad libitum and supplemented with graded levels of lablab hay and/or wheat bran
Osuji, P.O.Khalili, H.Umunna, N.N.[Rearing of crossbred (Boran x Friesian) and zebu (Boran) calves in the tropics]Rearing of crossbred (Boran x Friesian) and zebu (Boran) calves in the tropics

Thirty Highland zebu oxen with a mean weight of 276 (SE ± 14.3) kg and about 6 years of age were blocked by weight into 5 groups of 6 oxen each and within groups allocated to 6 treatments. They worked for 51 days followed by 84 days recovery. Teff straw (Eragrostis tef) and lablab (Lablab purpure...


Nsahlai, I.V.Yimegnuhal, A.Talle, S.B.Osuji, P.O.[Effect of work, nutritional stress and level of re-alimentation on the composition of compensatory gains in draught oxen]Effect of work, nutritional stress and level of re-alimentation on the composition of compensatory gains in draught oxen

Forty-eight heifers of two genotypes, Boran (Bos indicus) and Holstein×Boran, were allocated to three feeding levels equivalent to 1.0, 1.2 and 1.4 times calculated metabolisable energy requirements for maintenance (MEm). The experiment started at the onset of reproductive activity, when the Bora...


Jenet, A.Fernández Rivera, S.Tegegne, AzageYimegnuhal, A.Osuji, P.O.Kreuzer, M.[Growth and feed conversion of Boran (Bos indicus) and Holstein X Boran heifers during three physiological states receiving different levels of a tropical diet]Growth and feed conversion of Boran (Bos indicus) and Holstein X Boran heifers during three physiological states receiving different levels of a tropical diet

The diurnal changes in plasma concentration and urinary excretion of purine derivatives (PD) were examined in 4 steers given feed in 1 or 2 meals daily in 2, 18-day periods. In period 1, 2 steers were fed once daily (at 08.00 h) and the other 2 twice daily (at 08.00 and 16.00 h). In period 2, the...


Chen, X.B.Grubic, G.Orskov, E.R.Osuji, P.O.[Effect of feeding frequency on diurnal variation in plasma and urinary purine derivatives in steers]Effect of feeding frequency on diurnal variation in plasma and urinary purine derivatives in steers

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

Where VRI is a function of basal roughage quality (nitrogen and fibre (NDF) contents, rumen dry matter degradability), CF basal is the correction factor for other attributes of the roughage (cropping and processing methods and forms of offer), CF sup is the correction factor for supplement attrib...


Nsahlai, I.V.Umunna, N.N.Osuji, P.O.[An empirical model for predicting voluntary intake of forage-legume-supplemented roughages by cattle]An empirical model for predicting voluntary intake of forage-legume-supplemented roughages by cattle
Mpairwe, D.R.Sabiiti, E.N.Umunna, N.N.Tegegne, AzageOsuji, P.O.[The effect of supplementation with lablab hay and incremental levels of wheat bran on voluntary food intake, digestibility, milk yield and milk composition of crossbred cows fed forages from maize-lablab or oats-vetch intercropping systems.]The effect of supplementation with lablab hay and incremental levels of wheat bran on voluntary food intake, digestibility, milk yield and milk composition of crossbred cows fed forages from maize-lablab or oats-vetch intercropping systems.
Khalili, H.Osuji, P.O.Nsahlai, I.V.[The effect of molasses on fibre utilization and intake of sub-tropical grass hay by crossbred (Bos taurus x Bos indicus) cattle]The effect of molasses on fibre utilization and intake of sub-tropical grass hay by crossbred (Bos taurus x Bos indicus) cattle

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