yellow spots

Title is descriptive. I have a silver Sebright roo who had a scab on his comb form earlier this week. I thought it was due to pecking from the other rooster and was monitoring for any signs of continued abuse or damage. Thankfully there has been no fighting from the roosters or any hen pecking...

Hello, I woke up this morning and noticed that my hen has developed blisters overnight. They only seem to be on her comb. They’re small and yellowish but look grey from a distance. Does anyone know what these are? This is the second time she’s had them except it seems worse this time. Last time...