Sephardic/Mizrahi Jewish Genetic Diseases. 1  Alpha-Thalassemia. 2  Ataxia Telangiectasia. 3  Beta-Thalassemia (B- 4 T) Corticosterone Methyloxidase Type II Deficiency.  Costeff Optic Atrophy (also known as Type III 3-methylglutaconic 1  Aciduria) Cystic Fibrosis.  Familial Mediterranean 1  Fever. Familial Tumoral Calcinosis.
They will lay best at 1 to 2 years of age. All pullets (female chicken under 1 year of age) lay small eggs at first and after a while will lay larger eggs. Younger hens will lay 1 egg every 3-4 days. A hen 30 weeks old can lay 2 eggs every 3 days.
Report Abuse. Yes. Hens will lay eggs even if there is no rooster around. The rooster mates with the hen to fertilize her eggs, just the same as a man fertilizes his wife's eggs to make a baby.Depending on the breed, hens will start laying fromm 4-6 months of age.eport Abuse. Yes. Hens will lay eggs even if there is no rooster around. The rooster mates with the hen to fertilize her eggs, just the same as a man fertilizes his wife's eggs to make a baby.