Hello everyone I hope you all well. My chciks are all almost 6 weeks. 1 or 2 chick eat crumb but not as much as before they used to. Now I try to change feed to grower medicated pellets and they ain't eat that as well except very little. They shaking head sometimes. I checked every sign but I cant point out to anything that's wrong with them. Other than that they eat anything else I provide them such as left over food etc. They enjoy free ranging with other chicks. They also dont keep themselves to their own. They play and jump around with each other. Drinking fine. I cant point out what's is wrong with them. Not eat as much as before. Both are female . Whereas males are all eating fine. Help please