Effects of concentrate feed supplements on body weigth gain of Bao Yen buffalo reared commercially in the period of 13 – 24 months age
Bao Yen buffalo from 13-24 months of age was conducted for experiment in Xuan Hoa and Vinh Yen commune, Bao Yen district, Lao Cai province from August 2017 to August 2018. The experiment was arranged according to completely randomized block method. The average body weight of 15 13-month-age buffalos was 170 to 173 kg, divided into 3 groups, 5 buffalos in each group with equal body weight. Concentrate feed was added to 3 experimental groups with 3 levels of 2.3 kg; 2.6kg and 2.0kg. Results of experimental rearing showed that the supplementation of concentrate feed 2.6 kg /buffalo/ day to the ratio of commercial buffalo Bao Yen at the period of 13 to 24 months age was the best. Total body weight gain of commercial buffalo Bao Yen of experimental group 1, experiment 2 and experiment 3 was 155.96 kg; 166.65 kg and 140.10 kg. Daily body weight gain was 433.33 g/buffalo/day, 462.29 g / buffalo/ day and 389.21 g /buffalo / day, respectively
