In the horse, the prognosis for a complete recovery after an episode of simple choke is good. In the cow, the prognosis is good providing minimal manipulation and tissue damage has occurred. A poorer prognosis is associated with prolonged obstruction or perforation of the oesophagus. | In the horse, the prognosis for a complete recovery after an episode of simple choke is good. In the cow, the prognosis is good providing minimal manipulation and tissue damage has occurred. A poorer prognosis is associated with prolonged obstruction or perforation of the oesophagus. |