The effect of supplementation of Leucaena leucochepala leaf in Friesian Holstein cows ration on milk production and composition

This study aims to investigate effect of supplementation of Leucaena leucocephala leaf in the ration on milk production and composition of Friesian Holstein cow. The experiment was performed using 3 treatments namely P0 (basal ration, composed of 40 concentrates + 60 forage of total dry matter), while P1 and P2 contained basal ration and Leucaena Leucocephala leaf, supplemented with 10 and 20 of total forage dry matter (DM), respectively. The experiment was performed for 60 days, with 12 lactation cows at body weight average 400-450 kg. Cows were at 3 to 4 months of lactation stage. Parameters observed were milk production (L/d) and milk composition namely percentage of protein, fat and lactose. Results showed that P2 significantly increased milk production compared to P1 and P0, while in milk composition in P1 and P2 were significantly higher compared to control. The average of protein, fat and lactose of milk in P0 were 2.87, 4.73 and 4.44, P1 were 2.99, 3.29 and 4.86, P3 4.91, 4.59 and 4.60, respectively. It is concluded that supplementation of Leucaena Leucocephala leaf at 10 and 20 improve milk composition, but only at 20 supplementation the milk production was increase. © Published under licence by IOP Publishing Ltd.