Breeder age outweighs egg grading method on hatchability and chick quality in broiler hatcheries
Incubation efficiency and chick health are fundamentally linked to fertile egg quality, which is influenced by both grading methods and breeder age. This study evaluated the effects of manual versus automated grading and Cobb breeder age (28–42, 43–56, and 57–70 weeks) on hatchability, chick quality, and embryonic mort...