how long does it take for an egg to hatch with mother hen
1 With natural hatching, failure is to be expected. 2  Not all clutches will hatch, and even when a broody hen goes the distance and sits on the eggs for 21 days, not all eggs will hatch into viable chicks. 3  Expect some to die emerging from the egg, or before-you may have eggs that simply don't hatch, ever.