He has a thick layer of shredded paper and a old pillow case. Changed weekly, all good and warm.
He is on his own at the moment, as he is in season and mounting the Jills.
He seems fine about himself, running about etc dosent come across as under the weather.
No worries that discounts my theory. Hay, straw and wood shaving can irritate their nasal passages with tiny bit getting stuck up them andgiving cold like symptoms, sneezing, runny nose etc etc