Articles | Volume 66, issue 4
Original study
14 Nov 2023
Original study |  | 14 Nov 2023

Intermittent light program impacts on reproductive performance, health and welfare of breeding hens

Mohamed F. A. Farghly, Rashed A. Alhotan, Khalid M. Mahrose, Youssef A. Attia, Mostafa Abdelfattah, Mohammed Abougabal, Mossad Taboosha, Mohammed Ghonime, Mahmoud Shaaban, Caterina Losacco, and Vincenzo Tufarelli

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Cited articles

Abo Ghanima, M. M. A., Abd El-Hack, M. E., Abougabal, M. S., Taha, A. E., Tufarelli, V., Laudadio, V., and Naiel, M. A.: Growth, carcass traits, immunity and oxidative status of broilers exposed to continuous or intermittent lighting programs, Anim. Biosci., 34, 1243,, 2021. 
Alaqil, A. A., Abd El-Atty, H. K., and Abbas, A. O.: Intermittent lighting program relieves the deleterious effect of heat stress on growth, stress biomarkers, physiological status, and immune response of broiler chickens, Animals, 12, 1834,, 2022. 
Bacon, W. L., Long, D. W., Kurima, K., and Chapman, D. P.: Coordinate pattern of secretion of luteinizing hormone and testosterone in mature male turkeys under continuous and intermittent photoschedules, Poult. Sci., 73, 864–870,, 1994. 
Bacon, W. L., Kurginski-Noonan, B. A., and Yang, J.: Effects of environmental lighting on early semen production and correlated hormonal responses in turkeys, Poult. Sci., 79, 1669–1678,, 2000. 
Bahloul, F., Hashem, Y., and Abboud, M.: Effect of intermittent lighting system on some of the productive performance of laying hen, Int. J. Poult. Sci., 13, 416–420,, 2014. 
Short summary
Based on follicle number and testosterone concentration results, light flashes scheduled as biomittent light may be an economical alternative to continuous light for managing Rhode Island Red hens without harmfully influencing their physiological response, healthy traits, behavior and welfare. So, a light flash schedule of a 20 min : 40 min light period during 20–36 weeks of age is suggested for further experiments to confirm the economic and production benefits for the farming of breeding hens.