Evaluation of fertility characteristics of imported Thai Lan swamp buffalo in The Mountainous Animal Husbandry Research and Development Center - Thai Nguyen
30 female buffaloes were imported from Thailand in May 2017 raising on The Mountainous Animal Husbandry Research and Development Center. The study on characteristics and reproductive ability of Thai buffalo was done form 2018-2020. The results show that the first estrus age of Thai buffalo is 31.54 months; eostrus cycle is 25.71 days; estrus time is 29.96 hours. The buffalo is in heat at 21-22h (64.71%) mainly. Age for first insemination is 35.23 months; first calving age 44.72 months; the time of returning estrus after giving birth is 5.10 months (from 2.63 to 7.71 months); Rate of mating pregnant at first heat cycle is 71.23%; reproductive rate in 2019 is 65%; the distance between two litters is 17.18 months. The female buffalo has good ability to raise offspring, the weight of newborn female buffalo is 28.58 kg, the male buffalo is 30.42 kg; the weight of female buffalo is 122.18 kg at 6 months of age, the male buffalo is 132.25 kg; Weight gain (gr/buffalo/ day) during this period for female buffalo is 520.01g, male buffalo is 565.7g.
