I have a hen that has been gasping for air and coughing for at least 2 days now. She acts like she has something stuck in her throat not sick. She drinks but I haven't seen her eat. This happened after my SIL served up a huge hissing beetle to the girls the other day. Also, there are feathers from all the birds everywhere and I thought she might have swallowed a feather and gotten it stuck somehow in her throat. Is there anything I can do for her short of taking her to a vet? Should I just wait to see if she passes whatever it is? Maybe give her some mineral oil?