Sorry about your hen, hope you get some answers on the Emergencies forum, have you given her any calcium? Besides the warm baths etc that seems to be one of the main things recommended https://www.backyardchickens.com/t/809113/egg-bound-hen-please-help-asap/10 http://www.the-chicken-chick.com/2012/07/chicken-egg-binding-causes-symptoms.html