Rehman, H., J. Zentek, J. Bohm, F. E. Razzazi, H. Zaneb, I. Ahmad (2010). Effects of Alpha toxin from Clostridium perfringens on short-circuit current and mucosal barrier of Jejunal mucosa in laying hens.Proc. 2nd. Intl. Vet. Poult. Congress, Thran, Iran.  pp. 171.

A. Ijaz, M. U. Sohail, H. Anwar, Z. Rehman, Rehman, H., M. S. Yousaf (2010). Effects of dietary supplementation of Mannanoligosaccharides and Lactobacillus-based Probiotic on growth performance, oxidative strtus, hepatic enzymes, and Thytoid hormones in broilers reaered under heat stress. Proc. 2nd. Intl. Vet. Poult. Congress, Thran, Iran..  pp. 171.

Haselmeyer, A, R. Chizzola, C. Leeb, H. Rehman, & J. Zentek (2008). Different dietary concentrations of thyme (Thymi herba) affect thymol concentrations in intestinal and extraintestinal compartments in broilers. Proc. 12th ESVCN-Congress; September 25-27, 2008; Vienna, Austria.

Rehman, H., P. Hellweg, D. Taras, and J. Zentek (2007). Molecular ecological analysis and short chain fatty acid profiles of intestinal contents in broilers fed with an inulin supplemented diet. Proc. Soc. Nutr. Physiol. Germany. 61:71.

Rehman, H., M. Panscher, and J. Zentek (2004). Selected parameters of gastrointestinal tract of broilers fed diets supplemented with inulin and sucrose. Intl. Conf. Nutr., Lahore, Pakistan. Pp. 75.

Aslam, A., S. I. Syed, S. A. Khan, H. Rehman and G. Saleem (2004). Studies on stress induced effects in broilers following vaccination (Nobilis Ma 5-Clone 30) against infectious bronchitis and Newcastle disease. Natl. Seminar Dis. Livestock, Lahore, Pakistan. Pp: 10.

Ashraf, K., A. farid, H. Rehman, N. Ahmad, H. A. Hashmi, K. Saeed and A. Maqbool (2004). Taxonomy and chemotherapeutic control of prevalent helminth species in indigenous poultry. Natl. Seminar Dis. Livestock, Lahore, Pakistan. Pp. 14.

Aslam, A., Y. H. Khera, S. A. Khan, N. Ahmad, H. Rehman and K. Ashraf (2000). Comparative study on the incidence and pathology of morbid conditions of uterus and cervix of taddy and local non-descriptive goats. Proc. 18th Pak Zool. Cong. pp. 150.

M. Shafique, K. Ashraf and H. Rehman (2000). A study on the effect of experimentally-induced coccidiosis on weight gain and haematological parameters and its control in quails. Proc. 32nd All Pak Sci. Conf. AJK. Pp 51.

M. Shafique, K. Ashraf and H. Rehman (2000). Epidemiological studies on the prevalence of coccidiosis in commercial broilers and its relationship with other diseases. Proc. 32nd All Pak Sci. Conf. AJK. Pp 55.

Qazi, K. N., H. Rehman, M. Rabbani, N. Ahmad and A. Aslam (1999). Economic impact of mastitis in livestock production. Proc. PASF/PVMA Agro-Livestock Conf., Lahore, Pakistan. Pp 116.

Shafi, K., H. Rehman, M. Ashraf, N. Ahmad and M. Rabbani (1997). Drugs trials on Escherichia coli isolated from broilers. Proc. 17th Pak Zool. Cong. pp. 18-19.

Hameed, A., K. Ashraf, N. Ahmad, H. Rehman and M. Ashraf (1997). Comparative efficacy of ivermectin and coumafos against ectoparasites in equines. Proc. 17th Pak Zool. Cong. Pp. 89-90.

Rehman, H., M. A. Sheikh, K. Ashraf and N. Ahmad (1996). A comparative study on the immunogenicity of sonicated Pasturella multocida and formalized broth culture (Bacterin) of organism in buffalo calves. Proc. 16th Pak Zool. Cong. Pp. 36.

Ijaz, A., H. Rehman, K. Ashraf, N. Ahmad and M. A. Athar (1996). Epidemiological and heamatological studies on the avian tuberculosis in desi birds. Proc. 16th Pak Zool. Cong. Pp. 34.

Junaid, M. A. H. Rehman, N. Ahmad and M. Ashraf (1996). Comparative efficacy of Nigellia sativa seed (Kalongi), albendazole, fenbendazole and oxfendazole against gastrointestinal nematodes in goats. Proc. 16th Pak Zool. Cong. Pp. 91.

Khokhar, A. L., H. Rehman, N. Ahmad and M. Ashraf (1996). Comparative efficacy of nitrofurans, sulphadimidine and monensin against coccidiosis in sheep and goats under field conditions. Proc. 16th Pak Zool. Cong. Pp. 91-92.

Haji, A. N., H. Rehman, S. H. Bhatti and K. Pervaz (1994). A study of total serum protein and comparative efficacy of different fasciolicidal drugs against fascioliosis in goats. Proc. 15th Pak Zool. Cong. Pp. 58.

Afzal, S., M.A. Sheikh, K. Ahmad, A.S. Sahi and H. Rehman (1994). Isolation and characterization of Newcastle disease virus strains in poultry. Proc. Ist PPA/PVMA Intl. Poult. Cong. Lahore, Pakistan. Pp 21-22

H. Zaneb, S. Ashraf, U. Sohail, and M. S. Yousaf. 2011. Dietary supplementation of lactobacillus-based probiotic helps to alleviate the effects of heat stress in broilers. The 3rd International Conference of Indonesian Society for Lactic Acid Bacteria (3rd IC-ISLAB): Better Life with Lactic Acid Bacteria Exploring Novel Functions of Lactic Acid Bacteria, Yogyakarta, Indonesia, January 21-22. P48.

A. Ijaz, M. U. Sohail, H. Rehman, M. Aleem, A. Riaz, M. S. Yousaf. 2010. Semen quality index of broiler breeder cockerels subjected to different collection techniques. 2010 ADSA®-PSA-AMPA-CSAS-WSASAS-ASAS Joint Annual Meeting, Denver, Colorado, USA, July 11-15. P228.

M. U. Sohail, I. Ahmad, H. Rehman, K. Ashraf, M. S. Yousaf, S. Ashraf, H. Zaneb. 2010. Effect of dietary supplementation of mannan-oligosaccharides and lactobacillus-based probiotics on indigenous intestinal bacterial ecology and intestinal microarchitecture of broilers reared under heat stress. 2010 ADSA®-PSA-AMPA-CSAS-WSASAS-ASAS Joint Annual Meeting, Denver, Colorado, USA, July 11-15. P100.

A. Ijaz, M. U. Sohail, H. Anwar, Z. Rehman, H. Rehman, M. S. Youasf. 2010. Effects of dietary supplementation of mannanoligosaccharides and lactobacillus-based probiotics on growth performance, oxidative status, hepatic enzyme and thyroid hormones in broilers reared under heat stress. 2nd International Veterinary Poultry Congress, Tehran, Iran, February 20-21. P171.

M. S. Yousaf, M.A. Sandhu, Z. U. Rehamn, M. Numan, N, Ahmad, A. Ijaz. 2008. Comparison of ethanolic and aqueous extracts of tribulus terresteris on androgenic activities. 10th World Conference on Animal Production. Cape Town, South Africa, November 22-28. P68.

J. A. Khan, Z. U. Rehamn, M. S. Yousaf, A, Ijaz. 2008. Comparison of the fast-induced and high dietary zinc-induced molting: Trace elements dynamic in tissues at different production stages in laying hens (Gallus domesticus). 10th World Conference on Animal Production. Cape Town, South Africa, November 22-28. P68.

M. S. Yousaf, Z. U. Rahman, J. A. Khan, A. Yousaf, T. Ahmad. 2008. Dynamics of serum biochemical, electrolyte and mineral profiles in donkeys suffering from heat stress. International Livestock and Poultry Congress. Lahore, Pakistan, April 22-23. P76.

Z. U. Rahman, M. S. Yousaf, A. Yousaf, S. A. Bukhari. 2005. Effects of recombinant somatotrophin on milk production, composition, physiological and hematobiochemical profiles in lactating camel (Camelus dromedarius). 4th NIZO Dairy Conference, Papendal, The Netherlands, June 15-17. P73.

Z. U. Rahman, S. A. S. Jaspal, M. S. Yousaf, A. Yousaf, S. A. Bukhari. 2005. Effect of different stages of lactation on the composition of milk in camel (Camelus dromedarius). 4th NIZO Dairy Conference, Papendal, The Netherlands, June 15-17. P74.

Mansoor Abdullah Sandhu, Saliha Mansur, M. S. Yousaf, Zia-Ur-Rahman. 2004. Immunomodulatory effects of chromium picolinate on Immunological profile in aging rats. 34th Annual Scientific Meeting of the Australasian Society for Immunology, Adelaide Convention Center, South Australia, December 12-16. P147.

Z. U. Rahman, M. A. Sandhu, M. S. Yousaf. 2004. Dietary antioxidant effects on buffalo blood, colostrum and milk polymorphonuclear cells. 34th Annual Scientific Meeting of the Australasian Society for Immunology, Adelaide Convention Center, South Australia, December 12-16. P211.

19th Symposium of physiology and biochemistry DVG: 16.02.2010 (Oral presentation)

XIth international symposium on ruminant physiology (ISRP 2009) France (Poster presentation)

63rd Tagung der Gesellschaft für Ernährungsphysiologie Göttingen. 10-12 March 2009 (Poster presentation)

Doctoral Symposium June 2008 (Poster presentation).

62nd conference of Nutritional Physiology Society, Göttingen, Germany 01-03 April 2008.

18 DVG Physiology and Biochemistry conference, Leipzig, Germany; 09-11 March 2008 (Poster Presentation)

3rd combined workshop on fundamental physiology and perinatal development in poultry, Berlin Germany; 04-10 October 2007.

27th conference of the German Veterinary Association, Berlin Germany; 12-14 April 2007.

61st Conference of the Nutritional Physiology Society, Göttingen, Germany; 6-8 March 2007.

Berlin Patch-Clamp Colloquium, Berlin, Germany; 20 Feb 2007.
27th Conference of the German Veterinary Association, Berlin, Germany; 12-14 April 2007.

Manhattan (Kansas)-Berlin Symposium on Transport Physiology, Berlin, Germany; 22 January 2007.