If it feels like a golfball, then it may be his crop. Check it in the morning and feel up a few hens after they have been eating - you should be able to feel their crop when they have eaten.
Comparison a lot of times is how I've learned a lot of things.
Could he have been injured? Fighting with another rooster or fell from a roost?
Safeguard is a good de-wormer. The dose and repeat you did should take care of Roundworms.
Comparison a lot of times is how I've learned a lot of things.
Could he have been injured? Fighting with another rooster or fell from a roost?
Safeguard is a good de-wormer. The dose and repeat you did should take care of Roundworms.