An exceptional article on backyard egg production!
http://edis.ifas.ufl.edu/PS029
Factors Affecting Egg Production in Backyard Chicken Flocks
J.P. Jacob, H.R. Wilson, R.D. Miles, G. D. Butcher, and F.B. Mather
The laying cycle of a chicken flock usually covers a span of about 12 months. Egg productionbegins when the birds reach about 18-22 weeks of age, depending on the breed and season. Flockproduction rises sharply and reaches a peak of about 90%, 6-8 weeks later. Production thengradually declines to about 65% after 12 months of lay. A typical production curve for a layingflock, showing changes in the level of egg production and in egg weight, over time, is given...
http://edis.ifas.ufl.edu/PS029
Factors Affecting Egg Production in Backyard Chicken Flocks
J.P. Jacob, H.R. Wilson, R.D. Miles, G. D. Butcher, and F.B. Mather
The laying cycle of a chicken flock usually covers a span of about 12 months. Egg productionbegins when the birds reach about 18-22 weeks of age, depending on the breed and season. Flockproduction rises sharply and reaches a peak of about 90%, 6-8 weeks later. Production thengradually declines to about 65% after 12 months of lay. A typical production curve for a layingflock, showing changes in the level of egg production and in egg weight, over time, is given...