Abstract
Tolla, N., Dadhi, H. and Tadese, T. 2001. Supplemental value of noug seed cake (Guizotia abyssinica) and linseed cake (Linum usitataissimum) on growth performance of crossbred (Borana × Jersey) bull and heifer calves fed on Haricot bean straw. J. Appl. Anim. Res., 20: 239–244. To study comparative supplemental values of noug seed cake (Guizotia abyssinica) and linseed cake (Linum usitataissimum) on growth performance and profitability of young bull and heifer calves fed on basal diet of Haricot bean straw (HBS), thirty crossbred (Borana × Jersey) bull (15) and heifer (15) calves were randomly allocated to three treatments of Haricot bean straw alone, supplemented with either noug seedcake or linseed cake in a 3 × 2 factorial design for 94 days feeding trial. Both supplementations had significant (P<0.05) effect on HBS intake. The interaction between treatment and sex on average daily weight gain (ADG) was highly significant (P<0.01). Animals supplemented with LSC gained more weight (34% and 471%) than those supplemented with NSC and the control group, respectively. Supplementing LSC was less profitable (Eth. Birr. 327) than NSC (Eth. Birr. 435). Higher PD fraction was observed for animals supplemented with LSC. It was concluded that despite its cost, being triple of that of NSC, supplementing poor quality basal diet, of Haricot bean straw with LSC can support faster daily Hue weight, gain than NSC but, it is not superior to NSC in profitability.
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