possible gape?

[k625]

I have read the topics on this, but still need more info. My chicken keeps doing the open mouth thing as everyone describes, and also does this thing where it looks like its gaging. If this is gape what are the treatments for it. I couldnt find anything over the internet?

 

[dlhunicorn]

http://www.msstate.edu/dept/poultry/disparas.htm