hello, I have had chickens for almost 4 years. One of my hens is going to turn 4 in 3 months. However, she is really sick. we suspect she has ascites as she has a swollen abdomen and makes gargling sounds when she breathes. we have tried giving her antibiotics but that hasn't helped. it has now been a little more than a week now and she is getting worse day by day. for the last week, she sleeps all day and does not eat or drink water unless we make her. She barely can walk and stand. we contemplated taking her to the vet but all the vets near us only work with cats and dogs. I and my sister checked her today and now her swelling is getting really bad to the point where her vent is bulging out and her skin is blue. we are completely lost in what we should do. 2 of our other hens that passed also passed through ascites however it only took 1-2 days for them to die. She has been in this state for a little more than a week. any sort of advice would be much appreciated. thank you!