Mehtabuddin, A. A. Mian, T. Ahmad, S. Nadeem, Z. I. Tanveer and J. Arshad. 2012. Sulfonamide residues determination in commercial poultry meat and eggs. J. Anim. & Plant. Sci. 22(2):473-478.

Fiaz M, RH Usmani, M Abdullah and T. Ahmad. 2010. Evaluation of semen quality of Holstein Friesian and Jersey bulls maintained under subtropical environment. Pakistan Vet. J. 30(2): 75-78.

Farhana Riaz Chaudhry, M. Qayyum M. F. U. Khan, T. Ahmad, A. Khanum, M. R. Shakir, D. Hussain and J. E. Miller. 2009. Peri-Parturient Rise in Faecal Nematode Egg Counts with Reference to Haemonchus contortus in Bulkhi Ewes in Northern Punjab, Pakistan. Pakistan J. Zool. 41: 437-443.

K. Ishaq, N. Ullah, T. Ahmad and M. Yaqoob. 2009. Incidence of Reproductive Disorders in Cattle and Buffalo around Islamabad and Rawalpindi. Pakistan J. Zool. Suppl. Ser No. 9:69-71.

R. Kauser, N. Huma, T. Ahmad and A. Sameen. 2009. Effect of different levels of buffalo milk fat and storage time on physiochemical properties of mozzarella cheese. Pakistan J. Zool. Suppl. Ser No. 9:XX.XX.

� M. Yousaf, N. Ahmad, S. Khan and T. Ahmad. 2008. Effect of non-feed withdrawal induced molting techniques on feather molt scoring and egg production of caged hens. Sarhad J. Agric. 24:331-337.

�� Jahan Zeb Ansari, Ahsan ul Haq, M. Yousaf, T. Ahmad, and S. Khan. 2008. Evaluation of different medicinal plants as growth promoters for broiler chicks. Sarhad J. Agric. 24:323-329

��� Nadeem, A., M.E. Babar and T. Ahmad. 2005. L Threonine for broiler rations: A Review. J. Anim. Pl. Sci. 15(1-2):1-6.

� Haroon, Y., S. H. Khan and T. Ahmad. 2005. Effect of supplementing limiting amino acids on the biological value of rapeseed meal in layer chicks. Pak. J. Arid Agric. 8:1-3.

Waheed, A., T. Ahmad, A. Yousaf and I. J. Zaefr. 2004. Effect of various levels of fat and antioxidant on the quality of broiler rations stored at high temperature for different periods. Pak. Vet. J. 24(2):70-75.