Participating Faculty

Ahmed Tibary

Ahmed Tibary

Department:Veterinary Clinical Sciences, WSU
Credentials:1989 - Ph.D., University of Minnesota
Mailing Address:Department of Veterinary Clinical Sciences
PO Box 646610
Pullman, WA 99164-6610
Website:Click here

Research Interests

Comparative clinical reproduction, infertility in large animals Assisted reproductive technique, artificial insemination and embryo transfer.

Research Summary

I am interested in reproductive management and reproductive medicine of large animals (equine, bovine and small ruminants) including infertility diagnostic techniques and treatment as well as gamete preservation and development of embryo transfer techniques.

Research Publications


Chase C, Lutz K, McKenzie E, Tibary A. Blackwell's Five-Minute Veterinary Consult: Ruminant, Second Edition. 2017, Wiley and Blackwell, Ames Iowa, USA.

Tibary A.  Section 3: Reproduction, In: C. Cebra, A. Anderson, A. Tibary, R. VanSaun, and L. Johnson (eds). Llama and Alpaca Care: Medicine, Surgery, Reproduction, Nutrition, and Herd Health. 2014. Elsevier, St Louis, MO. USA. 

Journal articles

Tibary A. Monitoring and controlling follicular activity in camelids. 2018. Theriogenology,

Ciccarelli M, Tibary A, Campbell AJ, Conley A. 2018. Effect of age and castration on serum anti-Mullerian hormone concentration in male alpacas. Theriogenology 105: 174-177

Heaton K, Ragle C, Godderidge MT, Farrell A, Tibary A. 2018. Estrous behavior in mules- An owner’s prespective. Journal of Equine Veterinary Science 60: 109-112

Campbell AJ, Ciccarelli M, Tibary A. 2017. Early embryonic development and maternal recognition of pregnancy in camelids: A review. Spermova 7:67-76,

Ciccarelli M, Salman M. Waqqas, Pru JK, Tibary A. 2017. Oxytocin is not involved in luteolysis and early maternal recognition of pregnancy in alpacas. Animal Reproduction Science 187:28-36

Campbell AJ, Tibary A. 2017. Embryo transfer in camelids. Clinical Theriogenology 9:321-327

Campbell AJ, Tibary A. 2017. Infertility of female and male camelids. Clinical Theriogenology 9:311-319

Lopez M. C., Ciccarelli M., Gold J., Tibary A. 2017. Uterine adenocarcinoma in Quarter Horse mare. Equine Veterinary Education

Tibary A. 2017. Grand Challenge Animal Reproduction-Theriogenology: From the bench to application to animal production and reproductive medicine. Frontiers in Veterinary Science. 4, 114 doi 10.3389/fvets.2017.00114

Park KH, Amy Kaucher, Anne Powell, Muhamad Salman Waqas, Shelley Sandmaier, Melissa Oatley, Chi-Hun Park, Ahmed Tibary, David Donovan, Le Ann Blomberg, Simon Lillico, Bruce Whitelaw, Alan Mileham, Bhanu Prakash Telugu,  Jon Oatley. 2017. Generation of germline ablated male pigs by CRISPR/Cas9 editing of the NANOS2 gene, Nature Scientific Reports,7:40176 | DOI: 10.1038/srep40176

Shanthalingam S, Tibary A, Beever J, Kasinathan J, Brown W, Srikumaran S. 2016. Precise gene-editing enables derivation of Mannheimia haemolytica leukotoxin-resistant cattle. Proceedings of the National Academy of Sciences of the United State of America. Nov 15;113(46):13186-13190.

Campbell AJ, Pearson LK, Tibary A. 2015. Pregnancy toxemia in small ruminants: A review. Clinical Theriogenology, 7: 407-418

Washington State University