Involvement of calcium and phosphorus in bone and shell quality of early maturing commercial layers

Leghorn strains are continuously changing to meet market demands. The age of maturity in commercial pullets has steadily decreased, and egg output and case weights continue to increase. Consequently, nutritional management also needs to change to meet the genetic potential of the new strains. When new genetic lines are introduced, issues such as calcium and phosphorus management need to be constantly evaluated. This article can also be found at World Poultry Volume 17 number 6. To view th