sentences:  The outbreak was detected in live and dead ducks taken from a farm in the district and the Ministry of Agriculture culled 700 birds to prevent further outbreaks.Authorities suspect that ducks smuggled from Prey Veng Province where an earlier outbreak was confirmed, to nearby Tbong Khmum District, were responsible for this the new outbreak.Overall, more than 3000 ducks were slaughtered in Kampong Cham to prevent further infections.