Al-Harthi et al., 2010. Egypt. Poult. Sci., 30 (1): 339-351

Al-Harthi, M. A. ; El-Deek, A. A. ; Salah El-Din, M. ; Alabdeen, A. A., 2010. A nutritional evaluation of hatchery by-product in the diets for laying hens. Egypt. Poult. Sci., 30 (1): 339-351