Kristjan Bregendahl, Ph.D., is from Iowa State University. A nutritionist, and director of technicalsService at Hy-Line International, US, assistant professor of poultry nurition in the IS Department of Animal Science, 201 Kildee Hall, Ames, IA 50011-3150, USA. Phone: 515/294-5132. Fax: 515/294-1399.
Correct nutrition plays a major role in attaining the modern laying hens’ genetic potential for egg production and egg quality. Furthermore, the cost of feed accounts for some 65 to 75% of the cost of producing an egg. Therefore, the nutrition program is critical in determining the overall profitability and success of the egg-production business.