There is no really proven answer. Age and diet seem to have have a lot to do with it. Chickens tend to start laying at 6 months to 1 year old. Not sure about other hen species. If a hen (chicken) seems to just stop laying I change her diet and try different types of greens. Some seasoned farmers once told me to hang cabbage in my hens cage. Hanging it in pecking range. This sometimes works, but always makes the hens more active and seemingly happier.
All hens lay eggs.
There is no such thing as a "boy hen". Hens are female chickens.
Hens are mom chickens and roosters are dad chickens. Only mom chickens, hens, lay eggs. They lay eggs all year.
Hens typically like to lay in the morning hours. However, that is not a guarantee.
all hens lay eggsregardlessof anything also what is a "sangria" hen?
Yes, hens can lay eggs for 2-3 years.
they age of the hen that makes them lay
Yes some hens do lay green eggs.The araucana chicken lays green eggs.
Feather coloring does not influence the color of the egg laid. The breed of the hen dictates what color her eggs will be.
Hens lay eggs, the ones you eat.
No, hens will lay wether they be with a rooster or not
Four hens have the potential to lay four eggs but this is not always the case. Old hens will eventually stop laying eggs, sick hens may not lay any eggs and hens even in prime condition may be molting or may just be a slow laying breed. There are many reasons why four hens may not even lay one egg in a single day.