Topics: Animal Refresher, Poultry Science

Age of Peak Egg Production in Layers

Peak egg production in a layer is at the age of:

42 weeks
About 1 year
32–35 weeks
22–25 weeks

Age of Peak Egg Production in Layers

Peak egg production in a layer is at the age of:

Options

42 weeks
About 1 year
32–35 weeks ✓
22–25 weeks

Correct Answer: C

Explanation in English

Correct Answer: 32–35 weeks

Peak egg production in a commercial layer is achieved at 32–35 weeks of age, at which point approximately 85% production is observed.

Egg Production Cycle of a Laying Hen

Phase	Age Period	Key Events
Phase I	22–42 weeks	Production rises from 0 to peak (~85%); egg size increases from 36 g to 58 g
Phase II	43–62 weeks	Egg production declines to ~65%
Phase III	63–72 weeks	Production below 65%; layer replaced at 72 weeks

Key Production Facts

Egg production starts at 22 weeks (5.5 months of age).
After peak, production declines at 0.5% per week.
Layers are replaced at 72 weeks (18 months) of age.
Average egg production of improved White Leghorn strain: 300 eggs/year.

📚 About this Topic — Animal Refresher

This multiple choice question is from Animal Refresher, Poultry Science. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from Animal Refresher to strengthen your preparation.

Share this Question

Anvi Classes

Related Questions