This undated booking photo made available by the Polk County Sheriff's Office shows Donna Byrne, of Lakeland, Fla. Law enforcement officials charged Bryne with driving under the influence while riding a horse down a busy Florida highway on Thursday, Nov. 2, 2017. She was also charged with animal neglect for endangering and failing to provide proper protection for the horse.(Polk County Sheriff's Office via AP)

Florida woman charged with DUI on horse

Officers did a sobriety test and said she gave breath samples that registered blood alcohol level of .161 — much higher than Florida’s legal…