Topics:
Animal Refresher, Poultry Science
Average Egg Production of Improved White Leghorn Strain
The average egg production of an improved strain of White Leghorn is:
- 180 eggs/year
- 220 eggs/year
- 300 eggs/year — Correct Answer
- 360 eggs/year
Explanation:
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.
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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.
