Ahmed , M. F., Khalifa, M. I., El-Wahab, A. A., & Youssef, M. A. (2016). Indoor Fungal Load in Broiler Flocks Environment at Different Stages of Production Cycle. International Journal of Poultry Science, 15(8), 297–303. https://doi.org/10.3923/ijps.2016.297.303