I have a 3 year old RR that had a bout with a respitory problem that was solved with antibiotics 3 weeks ago. She also lost allot of weight. Today she has that "I'm going to die" listlessness. It seems 3 years old is a reasonable lifespan. Would you terminate or let her die on her own? I realize that letting her die on her own is easier on the owner, but do you think chickens suffer during this process?