Those chickens look healthy, but a lot smaller than I expect 8 wk CX to be. By feeding them a non-meat bird feed having a lower protein from the beginning, you may have unintentionally achieved your objective, namely having healthy CX you can keep as pets for as long as possible. Just keep...
Have you had chickens before? Are you sure these are CX? What have you been feeding them, and what % protein does your feed have? Can you post pictures of your CX, including side shots standing normally showing body and comb, and top shots showing body and also face shots? Do they seem...
If you haven't specifically restricted their feed from the beginning, they may start dying by themselves. They are designed to be processed around 8 weeks, and are not bred to live longer. Even with special feeding, CX rarely make it past a year or 1.5 years. They're not bred to be pets, they...
If they're cornish cross, you should be harvesting them this week or next, correct? Remove the old feeder. As long as they know where the new feeder is and can reach the food, they will not starve. Put their noses in it, and observe to be sure they can reach while standing. They will get...