Commercial laying hen farms' general characteristics, environmental management, and biosecurity practices in the sub-arid area of AlgeriaYacine Kasmi، Nouzha Heleili، Zohra Ahmed Gaid، Brahim Hamad، Leyla Hadef، Manel MerradiThe Thai Journal of Veterinary Medicineالمجلّد 55، (4)، الصفحات 1-102025مقال وصول مفتوح