Serena Williams. It's another milestone week for the WTA with Serena Williams hitting 157 consecutive weeks at No.1, passing Martina Navratilova for the second-longest streak at No.1 in WTA history.
Most hens will start laying between 5-7 months of age. 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. Some have been known to lay an egg a day.
The laying cycle of a chicken flock usually covers a span of about 12 months. Egg production begins when the birds reach about 18-22 weeks of age, depending on the breed and season.Flock production rises sharply and reaches a peak of about 90%, 6-8 weeks later.Production then gradually declines to about 65% after 12 months of lay.A typical production curve for a laying flock, showing changes in the level of egg production and in egg weight, over time, is given in Figure 1.nfection with the fowl pox virus will cause the chickens to have poor growth, poor feed conversion and a precipitous fall in egg production. Fowl pox may affect any age bird. It is transmittedby direct contact with an infected chicken or by mosquitos.