Abstract
This study was conducted to evaluate the effect of replacing corn with dehydrated citrus pulp (DCP) on the performance of growing kids and apparent digestibility of their diets. Thirty-two Saanen kids (16 intact males and 16 females) were placed in individual pens and fed grass hay (42%) plus concentrate mixture (58%) with four levels of replacement of corn by DCP (0, 33, 66, 100%) during 60 days. Daily live-weight gain, dry matter intake, and feed conversion were evaluated. After this period, male kids ( n=16) were transferred to metabolic cages and apparent digestibility was evaluated. Daily gain, feed intake, feed conversion and the apparent dry matter digestibility coefficient showed a quadratic effect ( P<0.05) with the increasing levels of replacement. Crude fiber, NDF, ADF and ether extract digestibility showed a linear increase ( P<0.01) and the digestibility of other organic nutrients were not modified ( P>0.05). Apparent digestibility of Ca, P differed among diets ( P<0.05) fitted in a quadratic model and showed a great decrease at the highest level of replacement. Replacing around 40% of corn by DCP can attain the best performance for growing kids.
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