The study was done at Adami Tulu Agricultural Research Center (ATARC) to investigate the effect of different dietary ration on growth performance of crossbred male calves and to identify the most economical feeding dietary ration. Three dietary treatments rations (treatment one=65% wheat bran+ 35% Cotton seed cake, treatment two=50% wheat bran + 49% Noug cake and treatment three=20% Maize grain + 45% wheat bran + 35% Noug seed cakes) were evaluated. Complete Randomized Block Design was used to assign eighteen cross bred male calves randomly to three dietary rations. All experimental calves were supplemented dietary rations based on their body weight at the rate of 2.5% of their live body weight throughout the experimental period. The results indicated that there were significant difference in average daily weight gain and total weight gain between crossbred male calves fed with dietary T1 and T3. Calves fed with dietary ration T1 and T2 numerically difference in final body weight, even though not statistically significant. Partial budget analysis indicated that there was no significant difference among calves fed with three dietary feed rations. But cross bred male calves fed with dietary treatment T2 was numerically higher in gross margin as compared to T1 and T3 rations. Further evaluation of different dietary rations on growth performance of yearling age (1-1.5 years old) cross bred bull calves were warranted to attain export market live weight at early age.
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