World's No. 1 egg producer

Solution (By Examveda Team)

World's No. 1 egg producer is Leghorn.
The Leghorn is a breed of chicken originating in Tuscany, in central Italy. Leghorns are good layers of white eggs, laying an average of 280 per year and sometimes reaching 300 - 320, with a weight of at least 55 g.
White Leghorns have been used to create highly productive egg-laying hybrids for commercial and industrial operations.