Beshara, M., Rizk, Y., El-Shhat, A., Awad, A., Abdallah, A. (2017). 'Effect of Feeding Different Levels of Dietary Fiber on Productive and Economical Performance in Local Ducks: 1-During Growing Period and Subsequent Laying Performance', Journal of Animal and Poultry Production, 8(11), pp. 425-433. doi: 10.21608/jappmu.2017.46052