Chicks Archives

The effect of dietary lipid sources on layer fertility and hatchability

2014
Issue: 5
Volume: 44

O.S. Olubowale, F.H. de Witt, J.P.C. Greyling, A. Hugo, A.M. Jooste & M.B. Raito Page: 44 - 50

2024-10-06
vanryssen

This study was conducted to investigate the effect of dietary fatty acids (FA) on the fertility and hatchability of laying hens at the end-of-lay period (69 - 77 weeks of age). Five isoenergetic (12.4 MJ ME/kg DM) and isonitrogenous (170…

2014
Issue: 2
Volume: 44

T.M. Shafey, A.H. Mahmoud, A.A. Alsobayel & M.A. Abouheif Page: 123 - 130

2024-10-06
vanryssen

The effects of in ovo amino acid administration on hatchability traits and post-hatch performance were studied using eggs from a meat-type breeder flock (Ross) at 38 weeks of age. On day 15 of incubation, five treatments were applied, consisting of…