Bishr, A. , Magdub, A. , Abuzweda, A. (2013). 'The Appropriate Time Required for Newborn Calf Camel to Get Optimal Amount of Colostrums Immunoglobulin (IgG) with Relation to Levels of Cortisol and Thyroxin'. World Academy of Science, Engineering and Technology, Open Science Index 75, International Journal of Animal and Veterinary Sciences, 7(3), 227 - 229.