Chickens do not start laying eggs untill they are about 5-8 months old.
A chickens' heart beats 280-315 times a minute.
I take 21 Days for an egg to hatch.
There are over 150 different kinds of chickens.
It takes a hen 24-26 hours to produce an egg.
A hen on average lives 5-7 years But has been known to live up to 20 years.
A hen can lay about 300 eggs per year.
I takes about 4 lbs of feed to produce a dozen eggs.
A broody hen turns her egg aproximately 50 times a day.
 Brown Egg Layers-  Barred rocks, Black austrolorp, Black jersey giant, Black star, Buckeyes, Buff orpington, Buff chanteclers, Columbian wyandotte, Delawares, Dominiques, Golden buff, Golden laced Wyandotte, New hampshire, Partridge rocks, Silver laced wyandotte, Rhode island red, Speckled sussex, Turken, White rock, Cukoo maran, Welsummer.
White egg layers- Black sumatra, Black andalusian, Exchequer leghorn, German spitzhauben, Golden campine, Golden pheonix, Light brown leghorns, Lakenvelder, Silver spangled hamburg, White leghorn, White sultan.
Blue/Green egg layers-  Ameraucana, Araucana.