My One year old Rooster started out yesterday just find as usual.. Later in the afternoon. I discovered that he had become wobbly and was having a hard time keeping his balance. He looked alert in every other way. No runny poop, comb is bright and eyes are clear. I isolated him, put some vitamins in his water and set him up with his usual food. Layer pellets and a tiny bit of scratch. He usually resides with his hens in a coop with a large yard. The yard is grass and some clover,. No chemicals. Today he is worse. He is unable to stand at all. I have checked for injuries and he has good range of motion in his limbs. Poor thing is laying on his side. I am distraught and don't know what to do for him. He is a Blue Orpington and I waited almost a year to get him!!! Please any suggestions.