laying issue

Obligatory - new to chickens this year. I have an Easter Egger, Robin, about 22 weeks old and 6 other girls about the same age. She started laying around 19 weeks. My girls free range so I'm not sure of the exact date but she's the only one laying blue eggs. A few days after she and a couple...

Background 13 hens (2 brown leghorn, 1 buff Orpington, 10 RIR) and 1 RIR roo all born January and laying in May — most eggs a day was 9, but avg was 6-8. Now zero eggs in a week. Two the week before. Eating and drinking ok. Pale combs on some. Added 7 more hens born in March in July (2...