1. Metwally, M.A., H.Y. El-Hammady, M.F.A. Farghly, A.H. Nourhan and M.E.S. Mohamed, 2022. Validation of the effect of some nutritional manipulations on the productive performance of broiler chickens. Assiut J. Agric. Sci., 53: 86-100.
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2. Metwally, M.M. and M.A. Metwally, 2021. Efficacy of overdosing of vitamin C suppementation on growth performance, Europe production efficiency factor (EPEF), carcass traits and some blood constituents of Japanese quail. Egypt. J. Nutr. Feeds, 24: 273-285.
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3. Metwally, M.A., N.M. Issa and A.M. El Hadi, 2021. Effect of supplementation of some medical herbs or their ‎extracts on the performance and physiological functions in ‎broiler chickens.‎ ‎2-effect of curcumin and anise ground seeds levels and their ‎interactions ongrowth performance and carcass ‎characteristics of broiler chickens.‎ Egypt. J. Anim. Prod., 58: 79-90.
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4. Metwally, M.A., M.F.A. Farghly and T.M. Sharaqa, 2021. Effects of light regimens and vitamin D₃ levels and their interactions on growth parameters and some blood plasma constituents of broiler chickens. Egypt. J. Nutr. Feeds, 24: 187-197.
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5. Metwally, M.A., M.F.A. Farghly and T.M. Sharaqa, 2021. Effects of light regimens and vitamin D₃ levels and their interactions on broilers growth performance and carcass traits. Egypt. J. Nutr. Feeds, 24: 171-185.
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6. Metwally, M.A., M. El-Sagheer, G.A. Moussa and M.M. El-Kelawy, 2021. Efficacy of overdosing of vitamin D₃ supplementation on growth performance and some blood constituents of Japanese quail. Egypt. J. Nutr. Feeds, 24: 287-299.
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7. Metwally, M.A., E.M. Nadi and A.M. El Hadi, 2021. Effect of supplementation of some medical herbs or their extracts on the performance and physiological functions in broiler chickens. 1- curcumin and anise ground seeds and interaction effects on broiler chicks performance and some blood parameters. Egypt. J. Nutr. Feeds, 24: 301-314.
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8. Metwally, M., A.A. Noura and M. El-Kelawy, 2021. Growth performance and carcass traits of japanese quail as affected by dietary high dietary vitamin a and D3 supplementation doses. Egypt. J. Nutr. Feeds, 24: 175-188.
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9. Hussein, S.Y., M.A. Metwally and A.M. Asmaa, 2021. Effect of vitamin a and D₃ supplementaion on the growth performance of Nile tilapia (Oreochromis niloticus). Assiut Vet. Med. J., 67: 152-164.
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10. Metwally, M.A., M.F.A. Farghly, Z.S.H. Ismail, M.E. Ghonime and I.A. Mohamed, 2020. The effect of different levels of optizyme and phytase enzymes and their interactions on the performance of broiler chickens fed corn/soybean meal: 1-broiler performance, carcass traits, blood constituents and nitrogen retention efficiency. Egypt. J. Nutr. Feeds, 23: 123-136.
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11. Metwally, M.A., M.F.A. Farghly, Z.S.H. Ismail, M.E. Ghonime and I.A. Mohamed, 2020. Effect of different levels of optizyme and phytase enzymes and their interactions on the performance of broiler chickens fed corn/soybean meal: 3. European production efficiency factor, European broiler index and some immune organs. Egypt. J. Nutr. Feeds, 23: 507-514.
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12. Metwally, M.A., M.F.A. Farghly, Z.S.H. Ismail, M.E. Ghonime and I.A. Mohamed, 2020. Effect of different levels of optizyme and phytas E enzymes and their interactions on the performance of broiler chickens fed corn/soybean meal: 2. tibia characteristics and calcium and phosphorus retention efficiency. Egypt. J. Nutr. Feeds, 23: 151-160.
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