I have 2 Diamond Duchess. Let me tell you I have never had sassier chickens. Their curious, kinda friendly, if try to give them food by hand they'll take your finger with it. They're always pecking at the other chickens, especially at night time. I understand pecking order, but they've taken...
I had a rooster years ago that had a large comb. A farmer by me said to put a coating of Vaseline on the comb when gets really cold. I did, the roo never had a issue with frostbite. I have another roo now, Freddie who has a large comb, I'll probably do the same for him.
Try chlorophyll, 1 teaspoon per gallon of water. I use liquid. I'll give it 2 or 3 times a month. 1 to 2 days. Clean and refresh every day. Your ladys may need it for a week.
I use Mother Ruth. Its concentrated
Detoxification: Chlorophyll is believed to aid in detoxification, potentially...