The Effect of Supplementation of Leucaena leucochepala Leaves on Digestibility of Dry Matter and Organic Matter in Friesian Holstein Dairy Cows Rations

The study was conducted to measure digestibility of dry matter and organic matter in Holstein Friesian cow ration which was supplemented with Leucaena Leucocephala leaves. The experiment was designed followed completely randomized design, consisted of 3 treatments, namely P0, P1 and P2 with 4 replications. Treatment P0 was basal ration, composed of 35 forage + 65 concentrate of total dry matter. Treatment P1 and P2 contained basal ration supplemented by Leucaena Leucocephala leaves as much as 10 and 20 of total forage dry matter, respectively. The data on dry matter, organic matter digestibility and nutrient consumption were collected during 14 days. The results showed no significant different of dry matter, organic matter, crude fibre digestibility among rations. Dry matter, organic matter, crude protein, and crude fibre of ration P1 and P2 were higher than P0. In conclusion, there was no effect of Leucaena Leucocephala leaves supplementation on dry matter and organic matter digestibility of ration but increased the consumption of dry matter, organic matter, crude protein and crude fiber.