My domestic chinese swan goose recently mated with my male goose and I believe he held her under water too long. Since then she has been very listless and the bump on her nose is very cold to the touch. She walks around with her wings hanging low and shakes her head as if she's trying to expell something. She has been puking up what seems like water from her lungs and has watery poop. All she wants is to be held. I clean her pond and pool 3 times a week so it doesn't get too dirty or soiled. She is a part of the family. Please help. Any and all responses will help. Thank you