Average Egg Production of Improved White Leghorn Strain

Correct Answer: 300 eggs/year

An improved strain of White Leghorn can produce approximately 300 eggs per year. This makes it the world's most productive layer breed.

Leghorn Key Facts

• Origin: Leghorn, Italy (Mediterranean breed group)
• Egg shell colour: White
• Body weight: Cock = 2.7 kg, Hen = 2.0 kg
• Character: Nervous, active, non-broody — ideal for egg production
• All commercial layer hybrids are derived from White Leghorn.

Production Timeline

• Egg production starts at 22 weeks of age.
• Peak production at 32–35 weeks (~85% production rate).
• Birds are replaced at 72 weeks.
• Total eggs in one laying cycle: approximately 280–320 eggs.