Preliminary results of utility for wagyu and red Angus bull’s straw frozen semen on Zebu crossbred cows in Thai Binh province, Vietnam

The objectives of this research were to investigate the conception rate, proportion of calving, calving status, gestation length in Zebu crossbred cows artificially inseminated with Wagyu and Red Angus bull’s straw frozen semen, in Thai-Binh Province, from June 2019 - March 2021. Total of 236 Zebu crossbred cows were chosen, inseminated,and monitored for conception, pregnant status, calving, and gestation length.