Abdel-Rahman, Mootaz Ahmed, and Gamal Mohamed Mosaad. 2013. “Effect of Propolis As Additive on Some Behavioural Patterns, Performance and Blood Parameters in Muscovy Broiler Ducks”. Journal of Advanced Veterinary Research 3 (2):64-68. https://advetresearch.com/index.php/AVR/article/view/117.