Any one else out there ever experience the streak of fear when your beloved horse starts coughing and turns away from their food?  Do you know the signs?  Do you know what to do before you call the vet?  Don't get me wrong, I do recommend a vet check after a choke incident.  When our horses have choked in the past, it has varied in severity.  I have seen everything from a persistent cough to laying down and rolling the standing and coughing. It almost looks like colic sometimes.  The cough…