sick 4 year old hen

I have a four year old hen who has been sick for the last week and a half. Her face and comb are purple but don't look swollen up and she's breathing very heavily, especially when she's sitting down. She's been acting sluggish but she's still been eating and drinking, although a little less than...

Hi, I'm new to BYC.. This morning our hen wouldn't come out of her run and wasn't eating or drinking. We took her in to have a look at her and found she has a huge black blood clot at her vent. When I tried to dislodge it so it wasn't blocking her vent and preventing her from passing droppings...