Effect of Different Levels of Vitamin C and Calcium On Performance of Broiler Chicks

Recent studies in poulutry have Shown that supplemental ascorbic acid given in feed or drinking water or by injection has improved performance of chickens during heat stress. Dietary supplementation with Vitamin C increased the growth rate by 4.5%, and improved the tolerability to stresses and reduced the mortality by 5% .Therefor, the objective of the present study was to assess the effect of different levels of vitamin C and calcium on performance of proiler chicks under Egyptian summer condition.