Arginine: lysine ratio influences on performance, egg quality, haematology, biochemistry, antioxidant status and immunity of dual-purpose breeding hens exposed to cyclic heat stress. - Attia, Youssef A.; Addeo, Nicola F.; Bovera, Fulvia; Abdallah, Ahmed A.; Alhotan, Rashed A.; Abd El-Hamid, Abd-El-Hamid E.; Elnaggar, Asmaa Sh.; Zakey, Reada M. (Italian Journal of Animal Science, 2024)