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.
A chicken lays one egg a day or one every other day.   More infoThe actual time it takes for a hen to make an egg and lay it is 24 to 26 hours. Then the hen rests about 30 â¦ minutes or so before starting to make another one.In addition to resting about 1/2 hour each time an egg is laid, some hens rest about every 3 to 5 days and others rest about every 10 days.hen the hen rests about 30 minutes or so before starting to make another one. In addition to resting about 1/2 hour each time an egg is laid, some hens rest about every 3 to 5 days and others rest about every 10 days. Some hens hardly rest at all.