M. Nadeem, M.Z. Alam, M.S. Rehman, Nasir Mukhtar and Barkat Ali. 2002. Effect of supplementation of fiber degrading enzymes in broiler ration having varying levels of canola meals on the performance of broilers. Journal of Animal & Plant SciencesS

Rehman, M. R. A. Haq, M. Nadeem and Nasir Mukhtar. 2002. Effect of varying levels ofgarlic powder () on egg production, and blood constituents of white leghorn layers.12, 23-25.

Sami Ullah,Nosheen Riaz,Ali Abdullah, Sajid Umar. 2013. DNA Vaccines against Avian Influenza:current research and future prospects. World's Poultry Science Journal�/ Volume�69 / Issue�01 / March 2013, pp 125-134

Sajid Umar, Abida Arshad, Bilal Ahmad and Muhammad Arshad. 2013. Clinico-biochemcal and hematological changes in broilers induced by concurrent exposure to Aflatoxins Band Ochratoxins A.1, 79-85

Hafsa Sabir and Sajid Umar (2012) Chicken infectious anemia, an immunosuppressive disease of poultry birds. World's Poultry Science Journal�(accepted manuscript)

Sajid Umar, M. Younus, Mutti-ur-Rehman Khan, Aftab Ahmad anjum, Saima MasoodQamar-un-Nisa (2011) Toxicopathological & Immunosupressive effects in broilers induced by concurrent exposure to Aflatoxins Band Ochratoxins� published in National seminar and workshop on ENVIRONMENTAL TOXICOLOGY AND HEALTH in March 2011.

Sajid Umar, M. Younus, Muhammad Ali Abdullah Shah and Mutti-ur-Rehman Khan (2012) �Pathology of lead intoxication and its amelioration by Vitamin E in Japanese quails� Published in 3Mediterranean summit of WPSA 6international poultry conference poultry production for better human health and safer environment, Porto-Marina, Alaxandria Egypt, 26-29 march 2012

� Sajid Umar, M. Younus, Muhammad Ali Abdullah Shah, M.Irfan Mayo and Wajid Umar Pathology induced by current exposure of AfB1 and OchratoxinA in broilers. All Pakistan Science Conference (10-12 Jan 2102) PMAS Arid Agriculture University Rawalpindi

Sajid Umar, Muhammad Younus Rana and Ihtasham Khan (2012) Toxico pathological effects of mycotoxins in broilers. Lambert Academic Publishing (LAP) Germany

Sajid Umar, Muhammad Shahzad, Wajid Umar (2012) Pathological effects of lead intoxication in quails, Lambert Academic Publishing (LAP), Germany