1. Zekarias, T., E. Demissie, W.M. Ahmed, T. Dema and A. Amsalu, 2019. Non-infectious causes of infertility in dairy cows: A review. J. Reprod. Infertil., 10: 51-57.
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2. Tolasa, T., A. Wondimu, T. Tekle, G. Assefa, D. Kebede and W.M. Ahmed, 2019. Factors affecting milk ejection and removal during milking and suckling of dairy cows: A review. World J. Dairy Food Sci., 14: 1-9.
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3. Tekle, Z., W.M. Ahmed, Shijiazhuang, A. Wondimu and D. Kebede et al., 2019. Review on reproductive performance of cross breed dairy cattle in Ethiopia. J. Reprod. Infertil., 10: 1-6.
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4. Tadesse, T., M. Asrat and W.M. Ahmed, 2019. Zoonotic tuberculosis: Developing countries scenario on epidemiology and management. Global Vet., 21: 137-142.
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5. Stephen, J., T. Malle, M.M. Bukar, Z.B. Yusuf, V.A. Maina and W.M. Ahmed, 2019. Comparative study on characteristics of semen collected from Sahel bucks using slicing swim up and mincing flushing technique. Direct Res. J. Vet. Med. Anim. Sci., 4: 5-10.
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6. Stephen, J., M.M. Bukar, V.A. Maina, Z.B. Yusuf, D. Iliyasu, B. Yusuf and W.M. Ahmed, 2019. Morphometric analysis of the testes and characteristics of epididymal sperm of one humped camel (Camelus dromedarius) with special reference to using Oviplus^® extender. J. Reprod. Infertil., 10: 18-23.
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7. Molla, D., Z. Tekle, A. Ayisheshim, D. Kebede, A. Wondimu and W.M. Ahmed, 2019. Flow cytometry and its diagnostic application in animal health: A review. Global Vet., 21: 1-7.
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8. Berhe, A., Y.Y. Yusuf and W.M. Ahmed, 2019. Breeding practices, flock structure and reproductive performance of Begait sheep in Ethiopia. J. Reprod. Infertil., 10: 24-39.
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9. Asrat, M., G. Gebisa, O. Gizaw, E. Mulatu and W.M. Ahmed, 2019. Opportunity and constraints of cattle production system in three selected districts of Ilu Aba Bor Zone, Ethiopia. Global Vet., 21: 93-99.
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10. Zemenu, G., H. Belete and W.M. Ahmed, 2018. Common reproductive disorders of dairy cattle and their prevalence in Ethiopia. Global Vet., 20: 60-72.
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11. Waktole, H., E. Geneti, W.M. Ahmed, G. Mammo and F. Abunna, 2018. Sero-prevalence and associated risk factors of bovine brucellosis in selected dairy farms in Bishoftu town, Oromia, Ethiopia. Int. J. Microbiol. Res., 9: 45-53.
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12. Hanafi, E.M., W.M. Ahmed, M.M. Zaabal and H.H. El Khadrawy, 2018. Updates in bovine mastitis. Middle-East J. Scient. Res., 26: 1-9.
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13. Gnanamuthu, G., W.M. Ahmed and K. Rameshkuma, 2018. Observations of estrous behaviour and identification of faecal compounds in Umblachery cow (Bos indicus) with reference to live stock production. Global Vet., 20: 126-138.
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14. Elias, B., A. Darsabo, N. Desta and W.M. Ahmed, 2018. Assessment of the production system, breeding strategy, constraints and opportunities of sheep production in Doyogena Woreda, Kembata Tembaro zone, Southern Ethiopia. J. Reprod. Infertil., 9: 67-70.
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15. Bekuma, A., W.M. Ahmed, L.L. Fita and U. Galmessa, 2018. Study on dairy production system and its constraints in Gimbi district, West Wollega Zone, Oromia, Ethiopia. Global Vet., 20: 215-224.
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16. Bekuma, A. and W.M. Ahmed, 2018. Biopreservation, promising strategies to improve the safety and shelf-life of foods: A review. Int. J. Microbiol. Res., 9: 76-80.
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17. Ayichew, S., D. Damene and W.M. Ahmed, 2018. Evaluating the efficiency of artificial insemination following estrous synchronization on cows in Konta, Special Woreda, Southern Ethiopia. Global Vet., 20: 181-187.
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18. Ayalew, W., Y. Besufekad and W.M. Ahmed, 2018. Productive and reproductive performance of crossbred dairy cows in tropical highland, South Western, Ethiopia. J. Reprod. Infertil., 9: 1-8.
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19. Ahmed, W.M. and M.M. Zaabal, 2018. Genetic polymorphism of immunoglobulin loci in relation to ovarian activity in Egyptian buffalo-cows. World Applied Sci. J., 36: 1-4.
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20. Zaabal, M.M. and W.M. Ahmed, 2017. The role of transferrin allele in resistance to brucellosis in camels (Camelus dromedaries). Global Vet., 18: 1-4.
21. Tucho, T.T. and W.M. Ahmed, 2017. Economic and reproductive impacts of retained placenta in dairy cows. J. Reprod. Infertility, 8: 18-27.
22. Saber, Y.H., A.A. Seida, R.S. Ragab, E.A. Balabel, E.M. Hanafi and W.M. Ahmed, 2017. Oxidant/antioxidant status and cyp19 gene polymorphism in crossbred cows in relation to ovarian inactivity. Global Vet., 18: 14-19.
23. Zaher, K.S. and W.M. Ahmed, 2016. The role of DNA vaccine as a control measure for viral diseases. World Applied Sci. J., 34: 1639-1642.
24. Zaher, K.S. and W.M. Ahmed, 2016. DNA vaccines against viral diseases of aquaculture. Adv. Biol. Res., 10: 20-20.
25. Zaabal, M.M., W.M. Ahmed, E.M. Hanafi and H.H. El Khadrawy, 2016. Observations on brucellosis in male camels (Camelus dromedaries) with emphasis on genetic polymorphism of some blood protein loci. Middle-East J. Sci. Res., 24: 3121-3124.
26. Teshome, E., A. Kebede, N. Abdela and W.M. Ahmed, 2016. Ovarian cyst and its economic impact in dairy farms: A review. Global Vet., 16: 461-471.
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27. Fikadu, W., D. Tegegne, N. Abdela and W.M. Ahmed, 2016. Milk fever and its economic consequences in dairy cows: A review. Global Vet., 16: 441-452.
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28. Bekele, N., M. Addis, N. Abdela and W.M. Ahmed, 2016. Pregnancy diagnosis in cattle for fertility management: A review. Global Vet., 16: 355-364.
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29. Abdela, N. and W.M. Ahmed, 2016. Risk factors and economic impact of dystocia in dairy cows: A systematic review. J. Reprod. Infertility, 7: 63-74.
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30. Zaher, K.S. and W.M. Ahmed, 2015. Observations on the epidemiology of bluetongue disease. Global Vet., 14: 800-804.
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31. Zaher, K.S. and W.M. Ahmed, 2015. Molecular characterization of bluetongue disease. Middle-East J. Sci. Res., 23: 2689-2694.
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32. Zaabal, M.M., W.M. Ahmed, E.M. Hanafi and H.S. Elkhadrawy, 2015. Further contribution on correlation coefficients among gene markers of some blood proteins in fertile purebred arabian mares. Int. J. Genet., 5: 15-17.
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33. Hanafi, E.M., W.M. Ahmed, M.M. Zaabal and H.H. El-Khadrawy, 2015. Quorum quenching: Unexplored strategy to control animal genital tract bacterial infection. Middle-East J. Sci. Res., 23: 1954-1962.
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34. El-Khadrawy, H.H., W.M. Ahmed, M.M. Zaabal and E.M. Hanafi, 2015. Strategies for diagnosis and treatment of uterine infection in bovines. Global Vet., 15: 98-105.
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35. El-Khadrawy, H.H., W.M. Ahmed, M.M. Zaabal and E.M. Hanafi, 2015. Lights on drugs used for treatment of ovarian disorders in farm animals. Global Vet., 14: 393-399.
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36. Ali, A.H. and W.M. Ahmed, 2015. Impact of post partum due care on fertility in farm animals. Global Vet., 15: 169-174.
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37. Ahmed, W.M., E.M. Hanafi, A.H. Ali, M.M. Zaabal and H.H. Elkhadrawy, 2015. Some managemental and reproductive aspects in relation to subsequent fertility in transitional cows. Middle-East J. Sci. Res., 23: 2748-2755.
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38. Zaher, K.S. and W.M. Ahmed, 2014. The role of foot and mouth disease outbreak in 2012 on Egyptian small ruminants and pigs. Global Veterinaria, 12: 583-587.
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39. Zaher, K.S. and W.M. Ahmed, 2014. Isolation and identification of field isolate of Peste des petits ruminants virus in Egypt. Global Veterinaria, 12: 667-672.
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40. Zaher, K.S. and W.M. Ahmed, 2014. Bovine Leukemia virus infection in dairy cows in Egypt. Acad. J. Cancer Res., 7: 126-130.
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41. Zaabal, M.M., W.M. Ahmed, E.M. Hanafi and H.H. El-Khadrawy, 2014. Ovarian activity in purebred Arabian Mares in relation to some blood protein gene markers. World Applied Sc. J., 32: 2017-2019.
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42. Othman, O.E., W.M. Ahmed, E.A. Balabel, M.M. Zaabal, H.H. El Khadrawy and E.M. Hanafi, 2014. Genetic polymorphism of CYP19 gene and its association with ovarian activity in Egyptian buffaloes. Global Veterinaria, 12: 768-773.
43. Hozyen, H.F.M., S.I.A. Shalaby, G.E.S. Essawy, W.M. Ahmed and M.A. Abdelrahman, 2014. Haematological and Biochemical Alterations in Crossbred in Cows Exposed to Air Pollutants during Rice Straw Burning in Lower Egypt. In: Environment and Biodiversity, Gupta, N. and D.K. Gupta (Eds.). Narendra Publishing House, Delhi, India, ISBN-13: 9789382471516, pp: 9-20.
44. Hanafi, E.M., W.M. Ahmed, M.M. Zaabal and H.H. El-Khadrawy, 2014. Genomics control of folliculogenesis in animals with rmphasis to buffaloes. Global Veterinaria, 13: 680-689.
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45. Ahmed, W., 2013. Adverse Conditions Affecting Ovarian Activity in Farm Animals. Lambert Academic Publishing, Germany, ISBN: 978-3-659-34551-7, Pages: 88.
46. Ahmed, W.M., M.M. Zaabal and A.A.R. El-Hameed, 2010. Relationship between ovarian activity and blood lead concentration in cows and buffaloes with emphases on gene frequencies of hemoglobin. Global J. Biotechnol. Biochem., 5: 1-5.
47. Ahmed, W.M., M.M. Bashandy, A.K. Ibrahim, S.I.A. Shalaby, A.S.I. El-Moez, F.M. El-Moghazy and S.R. Ibrahim, 2010. Investigations on delayed Puberty in Egyptian buffalo-heifers with emphasis on clinicopathological changes and treatment using GnRH (Receptal®). Global Vet., 4: 78-85.
48. Ahmed, W.M., H.H. El-Khadrawy, El-Hameed, A.A.R. and H.A. Amer, 2010. Applied investigation on ovarian inactivity in buffalo-heifers. Int. J. Acad. Res., 2: 200-250.
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49. El-Hameed, A.A.R., W.M. Ahmed, K.I. El-Ekhnawy and H.H. El-Khadrawy, 2009. Strategy trials for prevention of retained fetal membranes in a Friesian herd in Egypt. Global Vet., 3: 63-68.
50. Ahmed, W.M., S.M. Habeeb, F.M. El-Moghazy and E.M. Hanafi, 2009. Observation on pediculosis in buffalo-cows with emphasis on its impact on ovarian activity and control by herbal remedies. World Applied Sci. J., 6: 1128-1138.
51. Ahmed, W.M., H.H. El-Khadrawy, E.M. Hanafi, A.A.R. El-Hameed and H.A. Sabra, 2009. Effect of cupper deficiency on ovarian activity in Egyptian buffalo cows. World J. Zool., 4: 1-8.
52. Ahmed, W.M., A.A.R. El-Hameed, H.H. El-Khadrawy and E.M. Hanafi, 2009. Investigations on retained placenta in Egyptian buffaloes. Global Vet., 3: 120-124.
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53. Ahmed, W. and M.M. Zaabal, 2009. Analyzing the immunogenetic constituents of dams, sires and calves in relation to placental retention in a Friesian herd. Global Vet., 3: 32-36.
54. Zaher, K.S., W.M. Ahmed, S.M. Syame and H.M. El-Hewairy, 2008. Detection of health hazard-food born viruses in animal products anticipated for human consumption. Global Vet., 2: 192-197.
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55. Zaher, K.S., W.M. Ahmed and S.N. Zerizer, 2008. Observations on the biological effects of black cumin seed (Nigella sativa) and green tea (Camellia sinensis). Global Vet., 2: 198-204.
56. Zaher, K.S. and W.M. Ahmed, 2008. Impact of foot and mouth disease on oxidative status and ovarian activity in Egyptian buffaloes. World J. Zool., 3: 1-7.
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57. Zaabal, M.M. and W.M. Ahmed, 2008. Monitoring of some reproductive parameters in local Egyptian Friesian cows with emphasis on the use of immunogenetic analysis for evaluation of fertility. Global J. Mol. Sci., 3: 21-26.
58. Mohamed, A.A., W.M. Ahmed, H.M. Eissa, A.A. El-Menoufy and R.I. Sheshtawy, 2008. Investigations on semen preservation of native purebred Egyptian bulls. Proceedings of 4th International Conference Veterinary Research Division, December 26-28, 2008, NRC., pp: 211-213.
59. Hassanain, N.A. and W.M. Ahmed, 2008. Occupational exposure of buffalo gynecologists to zoonotic bacterial diseases. Res. J. Microbiol., 3: 17-23.
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60. Hanafi, E.M., W.M. Ahmed, S.I.A. El-Moez, H.H. El-Khadrawy and A.R.A. El-Hameed, 2008. Effect of clinical endometritis on ovarian activity and oxidative stress status in Egyptian buffalo-cows. Am. Eurasian J. Agric. Environ. Sci., 4: 530-536.
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61. El-Khadrawy, H.H., F.M. El-Moghazy, M.M.A. El-Aziz and W.M. Ahmed, 2008. Field investigations on the correlation between ovarian activity and fascioliosis in buffalo-cows. American-Eurasian J. Agric. Environ. Sci., 3: 539-546.
62. El-Jakee, J.K., W.M. Ahmed, F.R. El-Seedy and S.I.A. El-Moez, 2008. Bacterial profile of the genital tract in female-buffalo during the different reproductive stages. Global Vet., 2: 7-14.
63. Ahmed, W.M., S.I.A. El-Moez and G.M. Nabil, 2008. Observations on sub-clinical mastitis in buffalo-cows with emphasis on measuring of mlk electrical resistance for its early detection. Global Vet., 2: 41-45.
64. Ahmed, W.M., A.R. Abd El-Hameed and F.M. El-Moghazy, 2008. Some reproductive and health aspects of female buffaloes in relation to blood lead concentration. Int. J. Dairy. Sci., 3: 63-70.
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65. Ahmed, W.M. and S.E. Hassan, 2008. A field investigation on the correlation between reproductive disorders and eimeriosis in female buffaloes with emphasis on use of partially purified oocyst antigen for diagnosis. Global Vet., 2: 372-378.
66. Ahmed, W.M. and K.S. Zaher, 2008. A field contribution on the relation between reproductive disorders and bovine viral diarrhea virus infection in buffalo-cows. American-Eurasian J. Agric. Environ. Sci., 3: 736-742.
67. Abd El-Moez, S.I., W.M. Ahmed, J.A. El-Jakee and F.R. El-Seedy, 2008. Observations on Lactobacillus spp. in the genital tract of buffalo-cows with emphasis on its in vitro probiotic activity. Global Veterinaria, 2: 15-21.
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68. Ghazy, A.A., W.M. Ahmed, M.A. Mahmoud and L.A. Ahmed, 2007. Prevalence of infectious bovine rhinotracheitis and bovine viral diarrhoea viruses in female buffaloes with reproductive disorders and parasitic infections. Int. J. Dairy Sci., 2: 339-347.
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69. El-Moez, A.S.I., W.M. Ahmed, J.K. El-Jakee and F.R. El-Seedy, 2007. The first Egyptian buffalo calf born through non surgical embryo recovery and transfer. Proceedings of the 14th International Conference Biotechnology in Animal Reproduction, August 6-7, 2007, Vietnam Academy of Sciences and Technology, pp: 60-61.
70. Ahmed, W.M., J.A. Al-Jakee, F.R. El-Seedy, K.I. El-Ekhnawy and A.S.I. El-Moez, 2007. Vaginal bacterial profile of buffalo-cows in relation to ovarian activity. Global Vet., 1: 1-8.
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71. Ahmed, W.M. and S.E. Hassan, 2007. Applied studies on coccidiosis in growing buffalo-calves with special reference to oxidant-antioxidant status. World. J. Zool., 2: 40-48.
72. Ahmed, W.M. and G.M. Nabil, 2007. Investigations of oxidant/antioxidant status and hemoglobin biophysical properties in buffalo calves with special reference to inferior preweaning vitality. Pak. J. Biol. Sci., 10: 2353-2358.
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73. Abd El-Razik, K.A., H.M. Desoukey and W.M. Ahmed, 2007. Investigations on brucellosis in Egyptian baladi does with emphasis on evaluation of diagnostic techniques. Pak. J. Biol. Sci., 10: 342-348.
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