Effects of phytogenic supplementation on productive performance of broiler chickens

Journal of Applied Poultry Research - Tập 29 - Trang 852-862 - 2020
Saeed El-Ashram1,2, Gamal A. Abdelhafez3
1College of Life Science and Engineering, Foshan University, Foshan 528231, Guangdong Province, China
2Faculty of Science, Kafrelsheikh University, Kafr El-Sheikh 33516, Egypt
3Department of Animal production, Faculty of Agriculture, Al-Azhar University, Nasr City, Cairo 11754, Egypt