El-Sayed and  Mona and  Y. and  U. E. Mahrous,  Influence of Overfeeding on Productive Performance Traits, Foie Gras Production, Blood Parameters, Internal Organs, Carcass Traits, and Mortality Rate in Two Breeds of Ducks.   journal   = {International Journal of Animal and Veterinary Sciences}, [online]. World Academy of Science, Engineering and Technology.
    September 2013, vol. 75(3). 220 - 226
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/17208.