2-8 Week Old Newborn, Formula Feeding. (You will see that this schedule outlines longer naps and fewer feedings than the breastfeeding schedule above; this is simply because formula is more difficult for baby to digest, so baby tends to feel fuller longer, and therefore needs slightly fewer feedings.
Laying Behavior. When your hen is ready to lay an egg, she will sit on her nest and may be seen straining slightly. Some hens will also become vocal, crowing, cackling or otherwise calling out to the other members of the flock as they lay their eggs.our Hen's Age. Your hens have to be old enough to lay eggs. Most pullets will be between 16 and 24 months of age when they lay their first eggs. Once the first egg has been produced, the pullet should begin producing eggs with more frequency.
   When a hen first starts to lay even though the rooster has been  doing his job you will find infertile eggs. Then, however, you will  notice most eggs are fertile.  Some roosters do not cover their hens well, or will be less  fertile than others-hatch rates may vary.epending on when the hen's last egg was laid, the next egg laid after the hen was mated will most likely be fertile. A rooster is necessary to have fertilized eggs, but a hen will lay eggs even if no rooster is present. Incubation time for fertilized eggs is 21 days.