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