<![CDATA[The objective of this experiment was to evaluate replacement of soybean meal with corn mixed urea gelatinize product in concentrate as supplement of goats that supress nitrogen excretion and increase N metabolism. Sixteen Kacang goats (12.839±0.49 kg of live weight) were used in Completely randomized design with four treatments and four replication. The animals were randomly allocated to receive one of the following experiment diets Gliricidia + concentrate with ratio of soybean meal and product of gelatinize mixed corn-urea that: 1) 100:0 (P0), 2) 75:25 (P1), 3) 50:50 (P2) and 4) 25:75 (P3). Ration were formulated to contain 12% CP with ratio 60 % gliricidia and 40% concentrates. The result showed that total dry matter intake was significantly influenced of treatments and average of DMI each treatment was, P2 (467.99±2.19 g/h/d), P1 (441.20±2.10 g/h/d), P0 (440.08±2.29 g/h/d) and P3 (430.43±6.11 g/h/d). Dry matter and crude protein digestibility from each treatment was, P2 (76.45±0.39% and 80.63±0.37%), P1 (67.85±0.24% and 70.10±0.18%), P0 (67.85±0.74% and 70.68±0.42%) and P3 (60.62±0.41% and 61.96±0.69%). Treatment P2 highest than other treatments. Nitrogen retention and biological value significantly influenced of the treatment. Excretion of feces and urine lowest at P2 than P1, P0 and P3. N consumption, Total N Excretion and N digested not significantly influenced of the treatment but P2 better of other treatment. It could be concluded that 50% replacement soybean meal by product gelatinize of mixed corn-urea in concentrate has positive effects on nitrogen metabolism of Kacang goats.]]>
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