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FOI Documents








Prof. Waheed Akin Hassan

Area of specialization:Animal Breeding & Genetics
Email:waheed.hassan@udusok.edu.ng
Phone:08035875473

List of Selected Publications

  1. Book
    • 1. Hassan, W. A. 2000. Biological Productivity of Sheep and Goats under Agro-silvo-pastoral Systems in the Zamfara Reserve in North-western Nigeria. Ph.D. Thesis, Justus Liebig University, Giessen, Hessen, Germany (ISBN 3-89712-804-7)
  2. Papers in Peer-reviewed Journals
    • 1. Aduku, A. O., Dim, N. I. and W. A. Hassan. 1989. Evaluation of tropical green forages for dry season feeding of rabbits. J. Appl. Rabbit Res., 12 (2): 113-115.
    • 2. Dim, N. I., Nasiru, M., Aduku, A. O. and W. A. Hassan. 1989. Effect of frequency of mating in a day on litter size in Dutch breed of rabbits. J. Appl. Rabbit Res., 12 (4): 250-251.
    • 3. Fajinmi, A. O., Adedeji, S. K., Hassan, W. A. and G. M. Babatunde. 1990. Inclusion of non-conventional feedstuffs in rabbit concentrate ration - A case study of Neem (Azadirachtaindica) seeds. J. Appl. Rabbit Res., 13: 125-126.
    • 4. Hassan, W. A., Buvanendran, V., Dim, N. I., Osinowo, O. A. and B. Y. Abubakar. 1990. Genetic and phenotypic correlations for bodyweights in Yankasa sheep. Nigerian J. Anim. Prod., 18: 12-18.
    • 5. Garba, H. S., Hassan, W. A. and B. T. Akingbemi. 1992. Foetal wastage through slaughtering of pregnant cattle at the Sokoto abattoir. Tropical Veterinar. 10 (3 & 4) 123-126.
    • 6. Salawu, M. B., Adedeji, S. K. and W. A. Hassan. 1994. Performance of broilers and rabbits given diets containing full fat neem (Azadirachtaindica) seed meal. Anim. Prod., 58: 285-289.
    • 7. Shehu, D. J. and W. A. Hassan. 1995. Women in dairying in African Savannah: Their contribution to agro-pastoral household income in the dry Northwest of Nigeria. Nomadic Peoples, 36 / 37: 53-64.
    • 8. Hassan, W. A., Hoffmann, I. and J. Steinbach. 1998. Socio-economic importance of sheep and goat keeping in rural households: A case study of smallholder arable farmers in Zamfara Reserve. Nigerian J. Rural Sociol. (Special Edition) 2: 33-41.
    • 9. Hassan, W. A., Aduradola, A. M. and A. D. Domba. 1998. Fodder tree species in livestock production in semi-arid zone of Nigeria: Farmers’ knowledge and nutrient content of some fodder tree species. Journal of Tropical Ethnoforestry, 1: 81-92.
    • 10. Hassan, W. A. and M. K. Sani. 2000. Towards improvement of indigenous methods of meat processing: A diagnosis of ‘kilishi’ production. Nigerian Interdisciplinary Research in Social, Management, Educational and Natural Sciences, 1 (1): 1-4.
    • 11. Hassan, W. A. and M. K. Kikisagbe. 2001. Urban livestock production: A case study of scavenging ruminant animals at waste disposal points in Sokoto. J. Agric. & Environ., 2 (2): 201-212.
    • 12. Hassan, W. A. and B. T. Mohammed. 2001. Dairy production in some selected integrated farms in Sokoto state of Nigeria. Trop. J. Anim. Sci., 4 (2): 109-115.
    • 13. Hassan, W. A. and Y. Na-Allah. 2001. Urban cattle production: Stock ownership, herd structure and grazing management in Sokoto. Sokoto J. Veterinar. Sci., Vol. 3 (1): 51-61.
    • 14. Hassan, W. A. and A. U. Adamu. 2002. Domestic pigeon diversity in the semi-arid zone of Nigeria: Initial results from characterisation studies. Nigerian J. Basic and Appl. Sci., 11 (1 & 2): 209-218.
    • 15. Hassan, W. A. and B. S. Malami. 2004. Preliminary evaluation of feeding habit and growth performance of indigenous domestic fowls in Sokoto, Nigeria. Nigerian Poultry Science J., (2 & 3): 16-20.
    • 16. Jabo, M. S. M., Mohammed, I. and Hassan, W. A. 2005. Analysis of cattle marketing in Sokoto State, Nigeria. Bulletin of Science Association of Nigeria (SAN), 26: 1-9.
    • 17. Malami, Z. G., Ipinjolu, J. K., Hassan, W. A. and Magawata, I. 2005. Food habit of catfish (Synodontiseupterus, Boulenger) in river Rima and Goronyo dam in north-western Nigeria. Bulletin of SAN, 26: 161-172.
    • 18. Ipinjolu, J. K., Z. G. Malami, Hassan,W. A. and Abubakar, U. 2005. Food habit of elephant snout (Mormyrusrume, Cuvier and Valenciennes) in river Rima and Goronyo dam in north-western Nigeria. Bulletin of SAN, 26: 173-185.
    • 19. Onaji, P. I., Ipinjolu, J. K. and Hassan, W. A. 2005. Some aspects of the physico-chemical parameters of Kware Lake in north-western Nigeria. Bulletin of SAN, 26: 191-199.
    • 20. Ipinjolu, J. K., Onaji, P. I., Hassan, W. A. and Abubakar, U. 2005. Phytoplankton productivity and potential fish yield of Kware Lake in north-western Nigeria. Bulletin of SAN, 26: 200-207.
    • 21. Onaji, P. I., Ipinjolu, J. K. and Hassan, W. A. 2005. Levels of trace metals in Kware lake in north-western Nigeria. Bulletin of SAN, 26: 208-213.
    • 22. Abubakar, A., Tukur, H. M., Sekoni, A. A. and W. A. Hassan. 2007. Performance and egg characteristics of laying birds fed diets containing rice bran with and without yeast supplementation. Asian J. Anim. Sci., 1 (1): 1-9.
    • 23. Hassan, W. A., Steinbach, J. and I. Hoffmann. 2007. Reproduction rate in goats raised under agro-silvo-pastoral systems in the Sudan Savannah zone of Nigeria. Ibadan Journal of Agricultural Research (IJAR), 3 (1): 61-68.
    • 24. Edet, E., J. K. Ipinjolu, W. A. Hassan and A. I. Daneji. 2007. Variation in some hematological parameters of freshwater fish species of River Rima, Sokoto. Tropical J. of Animal Science, 10 (1-2):153-159.
    • 25. Rabiu, L. M., Hassan, W. A., Maigandi, S. A. and B. R. Olorede. 2007. A rapid assessment of herd structure and reproductive characteristics of donkeys (Equus asinus) in Zamfara state, Northwest, Nigeria. Tropical J. of Animal Science, 10 (1-2):167-172.
    • 26. Muhammad, N., S. A. Maigandi, W. A. Hassan and A. I. Daneji. 2007. Quantification and chemical evaluation of rice milling waste obtained from Sokoto metropolis and its environs. Tropical J. of Animal Science, 10(1-2):445-450.
    • 27. Mohammed, N., Maigandi, S. A., Hassan, W. A. and A. I. Daneji. 2008. Growth performance and economics of sheep production with varying levels of rice milling waste. Sokoto J. Vet. Sci., 7(1): 59-64.
    • 28. Usman, H. B., Maigandi, S. A., Hassan, W. A. and A. I. Daneji. 2008. Haematological characteristics and blood urea nitrogen of Sokoto Red goat kids fed fore-stomach digesta as replacement for cowpea husk. Nigerian J. of Basic and Applied Sci., 16 (2): 222-228.
    • 29. Rambo, U. G., Muhammad, N. and W. A. Hassan. 2008. Indigenous methods of treating cattle diseases in selected local government areas of Kebbi state. Tropical J. of Animal Science, 10 (Supplement); 84-88.
    • 30. Ala, A. L. and W. Akin. Hassan. 2009. Livestock ownership, composition and size among crop-livestock farmers in Sokoto state. International J. of Animal Science, 1 (1): 77-81.
    • 31. Ala, A. L., Mohammed, I., Baba, K. M. and W. A. Hassan. 2009a. Optimal farm plans for crop-livestock farmers in Sokoto state, Nigeria. J. Agric. & Environ., 5 (1&2): 1-9.
    • 32. Ala, A. L., Mohammed, I., Baba, K. M. and W. A. Hassan. 2009b. Utilization of animal traction technology and milk and milk products among crop-livestock farmers in Sokoto state. Trop. J. Anim. Sci., 11: 88-95.
    • 33. Bashar, Y. A., Tukur, H. M., Sekoni, A. A. and W. A. Hassan. 2010. Apparent nutrient retention and haematological indices of broiler finishers fed lablab seed meal. J. Agric. & Environ., 6 (1&2): 41-49.
    • 34. Hassan, W. A., Wassmuth, R., Hoffmann, I. and J. Steinbach. 2010. Estimates of repeatability of litter traits in traditionally-managed Yankasa sheep in north-western Nigeria. Nigerian J. Genetics, 23 / 24: 121-127.
    • 35. Jibir, M., Hassan, W. A., Maigandi, S. A. and J. B. Adeyanju. 2010. The effect of breed, age and fasting status on macro-nutrient composition of meat from goat breeds of North-western Nigeria. Nigerian J. Basic and Appl. Sci., 18 (2): 269-271.
    • 36. Ala, A. L., Mohammed, I., Baba, K. M. and W. Akin. Hassan. 2010. Inputs acquisition and utilization among crop-livestock farmers in Sokoto State. International J. Anim. Sci., 2 (1): 24-28.
    • 37. Bashar, Y. A., Tukur, H. M., Sekoni, A. A. and W. A. Hassan. 2010. Nutrient retention and haematological indices of broiler starters fed Lablab seed meal as a source of protein. Nigerian J. Basic and Appl. Sci., 18 (2): 285-291.
    • 38. Shinkafi, B. A., Ipinjolu, J. K. and W. A. Hassan. 2011. Gonad maturation stages of Auchenoglanis occidentalis (Valenciennes 1840) in River Rima, North-western Nigeria. J. Fisheries & Aquatic Sci., 2011: 1-10.
    • 39. Ogunsan, E. A., Dogo, G. I., Aliero, B. L., Hassan, W. A., Tambuwal, F. M., Ogo, N. I. and J. Jatau 2011. The nutritive value of Zornia glochidiata as a non-conventional feedstuff in rabbit in Sokoto, Nigeria. Pakistan J. Nutrition, 10 (7): 658-662.
    • 40. Abubakar, A., Tukur, H. M., Hassan,W. A., Sekoni, A. A., Bashar, Y. A. and A. A. Odunsi. 2011. Assessment of yeast supplementation on the onset of laying and subsequent performance of Shika Brown layers fed high levels of rice bran during growing period. International J. Applied Agricultural and Apicultural Res., 7 (1): 118-127.
    • 41. Shinkafi, B. A. and Hassan, W. A. 2011. Morphometric relationships and relative condition factor of Synodontiseupterus (Boulenger) from River Rima in North-western Nigeria. J. Agric. & Environ., 7 (2): 105-115.
    • 42. Bashar, Y. A., Tukur, H. M., Hassan, W. A., Sekoni, A. A. and A. Abubakar. 2012. Apparent nutrient retention and haematology of Shika Brown pullet chicks fed three plant protein sources. International J. Applied Agricultural and Apicultural Res., 8 (1): 9-15.
    • 43. Abubakar, M. Y., Ipinjolu, J. K., Hassan, W. A. and W. O. Alegbeleye. 2013. Survival and growth of Clariasgariepinus (Burchel 1812) fry on cultured freshwater zooplankton and decapsulated artemia. Scientific J. Zoology, 2 (6): 54-63.
    • 44. Aminu Shittu, Abdullahi Abdullahi Raji, Shuaibu A. Madugu, Akinola Waheed Hassan and FolorunsoOludayoFasina. 2014. Predictors of death and production performance of layer chickens in opened and sealed pens in a tropical Savannah environment. BMC Veterinary Research, 10: 214
    • 45. Muslim K. Ewuola, M. O. Akinyemi, W. A. Hassan and Bello Semiu Folaniyi. 2019. Morphological diversity of Muscovy ducks I humid zone of Nigeria. J. Agriculture and Ecology Research International. DOI: 10.9734/JAERI/2019/XXXXX
    • 46. M. Y. Abubakar, J.K. Ipinjolu, I. Magawata and W.A. Hassan (2018) Analysis of some morphometric and meristic Characteristic Patterns of Heterobranchus bidorsalis from River Niger, Nigeria. Journal of the Association of Nigerian Fisheries Scientists, 1: 79-89.
    • 47. Abubakar, M. Y., J. K. Ipinjolu, I. Magawata, Y. B. Esa, W. A. Hassan and B. A. Shinkafi (2018). Evaluation of Mt DNA Cytochrome B Sequences in genetic Identification and Diversity Studies of Heterobranchus longifilis (Valenciennes, 1840) from Northern Nigeria. Journal of the Association of Nigerian Fisheries Scientists, 1:10-21.
    • 48. Yakubu, A., Bamidele, O., Hassan, W.A., Ajayi, F.O., Ogundu, U.E., Alabi, O., Sonaiya, E.B., and Adebambo, O.A. (2019). Farmers’ Choice of genotypes and trait preferences in tropically-adapted chickens in five agro-ecological zones in Nigeria. Tropical Animal Health and Production (E Pub ahead of print). Netherlands (Online).
    • 49. Folasade Olubukola Ajayi et al. 2020. Production performance and survivability of six dual purpose genotypes of chicken under stallholder farmers’ management practices in Nigeria. Archives Animal Breeding (In Press)
  3. Papers in Edited Newsletters
    • 1. Hassan, W. A. 1995. Herd structure and pack uses of camels and donkeys in North-western Nigeria. Draught Animal News, Centre for Tropical Veterinary Medicine, University of Edinburgh, Easter Bush, Roslin, Midlothian EH25 9RG, Scotland, UK, No. 22, pp. 10-14.
    • 2. Hassan, W. A. and A. T. Aliyu. 1996. Reproductive performance of ducks in semi-arid northern Nigeria. African Network for Rural Poultry Development (ANRPD) Newsletter, Vol. 6, No. 1, p. 4-5.
    • 3. Hassan, W. A. and H. Musa. 1998. Utilization and marketing of camel and its products in semi-arid zone of Nigeria. Camel Newsletter, The Arab Center for the Studies of Arid Zones and Dry Lands (ACSAD), Damascus, Syrian Arab Republic, No. 14, pp. 46-52.
  4. D. Papers in Edited Books of Conference/Workshop Proceedings
    • 1. Hassan, W. A., Dim, N. I., Buvanendran, V., Abubakar, B. Y. and O. A. Osinowo.1990. Environmental influences on body weights of Yankasa lambs at different ages. In: Akinsoyinu, A. O. and O. A. Adebambo (Mrs.) (Eds.). Animal Production in Nigeria. Proc. of the 13th annual conference, Nigerian Society for Animal Production, pp. 154-166.
    • 2. Hassan, W. A., Pemida, O. F. and A. O. Fajinmi. 1990. Some aspects of poultry production at village level in northwest, Nigeria. In: Sonaiya, E. B. (Ed.). Rural Poultry in Africa. Proc. of the International Workshop on Rural Poultry Development in Africa, pp. 205-210.
    • 3. Hassan, W. A. and A. Ciroma. 1992. Bodyweight and measurements relationship in Nigerian Red Sokoto goats. In: Small Ruminant Research and Development in Africa. Proc. of the First Biennial Conference of the African Small Ruminant Network, pp. 491-497.
    • 4. Hassan, W. Akin. and Bode A. Ibitoye. 1993. Camels and donkeys as pack and transport animals in semi-arid Northern Nigeria: Herd composition, management and utilization. In: Lawrence, P.R., Lawrence K., Dijkman, J.T. and P.H. Starkey (Eds.). Research for Development of Animal Traction in West Africa. Proc. of the fourth workshop of the West African Animal Traction Network, pp. 140-144.
    • 5. Hassan, W. A. and R. O. Owolabi. 1996. Production performance of domestic rabbits in semi-arid zone of Nigeria. In: Proc. of the Sixth World Rabbit Congress Vol. 3: 359-363.
    • 6. Hassan, W. A. and I. Hoffmann. 1997. ‘Wachstumsleistungen von Uda-Lämmern in Gidan-Jaja, Nordwest-Nigeria’. In: Kurzfassung (D13) der Vortragstagung der DGfZ und der GfT am 10 / 11. September 1997 in Bonn, Germany.
    • 7. Malami, B. S., Hassan, W. A., Tukur, H. M. and S. A. Maigandi. 1998. Communal grazing of sheep and goats in the Zamfara Reserve. In: Hoffmann, I. (Ed.). Prospects of Pastoralism in West Africa. Giessener Beiträge zur Entwicklungsforschung. Schriftenreihe des wissenschaftlichen Zentrums, Tropeninstitut der Justus-Liebig-Universität Giessen, Reihe I (Symposien) Bd. 25: 191-195.
    • 8. Hassan, W. A., Hoffmann, I. and J. Steinbach. 1998. Sheep and goat keeping under arable farming in the Zamfara Reserve. In: Hoffmann, I. (Ed.). Prospects of Pastoralism in West Africa. GiessenerBeiträgezurEntwicklungsforschung. Schriftenreihe des wissenschaftlichenZentrums, Tropeninstitut der Justus-Liebig-Universität Giessen, Reihe I (Symposien) Bd. 25: 196-202.
    • 9. Hassan, W. A., Hoffmann, I., Tukur, H. M., Maigandi, S. A., Malami, B. S. and J. Steinbach.1998. Some performance characteristics of sheep and goats in Zamfara Reserve, using the Progeny History Technique. In: Hoffmann, I. (Ed.). Prospects of Pastoralism in West Africa. Giessener Beiträge zur Entwicklungsforschung. Schriftenreihe des wissenschaftlichen Zentrums, Tropeninstitut der Justus-Liebig-Universität Giessen, Reihe I (Symposien) Bd. 25: 203-210.
    • 10. Hassan, W. A., J. Steinbach and I. Hoffmann. 2002. Variations in bodyweights of sheep and goats at weaning under agro-silvo-pastoral systems in Zamfara reserve. In: Aletor, V. A. and G. E. Onibi (Eds.). Increasing Household Protein Consumption through Improved Livestock Production. Proc. of the 27th annual conference of the Nigerian Society for Animal Production (NSAP), pp. 18-21.
    • 11. Hassan, W. A. and B. Bello. 2002. Growth performance of intensively raised squabs in Sokoto. In: Aletor, V. A. and G. E. Onibi (Eds.). Increasing Household Protein Consumption through Improved Livestock Production. Proc. of the 27th annual conference of NSAP, pp. 177-179.
    • 12. Hassan, W. A. and A. Idris. 2002. A rapid assessment of dressing-out percentage for Sokoto Red goats. In: Fanimo, A. O. and J. A. Olanite (Eds.). Contributory Role of Animal Production in National Development. Proc. of the seventh annual conference of ASAN, pp. 265-268.
    • 13. Hassan, W. A. and S. D. Abdu. 2002. Towards the standardization of indigenous kilishi recipes. In: Fanimo, A. O. and J. A. Olanite (Eds.). Contributory Role of Animal Production in National Development. Proc. of the seventh annual conference of the Animal Science Association of Nigeria (ASAN), pp. 261-264.
    • 14. Hassan, W. A. and I. L. Zalla. 2003. Overcoming parturition difficulties in domestic animals through ethno-veterinary practices in Zamfara State. In: Olatunji, E. A., Ayanwale, B. A., Shiawoya, E. L. and A. Aremu (Eds.) Sustaining Livestock Productivity and National Development. Proc. of the eighth annual conference of the Animal Science Association of Nigeria (ASAN), pp. 106-108.
    • 15. Hassan, W. A. and M. S. Muhammad. 2003. Ecotypes of the Muscovy in the Northwest of Nigeria. In: Olatunji, E. A., Ayanwale, B. A., Shiawoya, E. L. and A. Aremu (Eds.) Sustaining Livestock Productivity and National Development. Proc. of the eighth Annual Conference of the Animal Science Association of Nigeria (ASAN),pp. 23-24.
    • 16. Hassan, W. A., Mohammed, N. and B. Usman. 2003. Towards improved utilization of donkeys in the semi-arid zone of north-western Nigeria. In: Pearson, R. A., Fielding, D. and Tabbaa, D. (Eds.). Fourth International Colloquium on Working Equines. Proc. of an International Colloquium, pp. 168-174.
    • 17. Alayande, M. O., Hassan, W. A. and M. K. Kikisagbe. 2003. Prevalence of clinical mastitis in scavenging Red goats on Sokoto, Nigeria. In: Taiwo, A. A., Raji, A. M., Ogbonna, J. U. and E. A. Adebowale (Eds.). Proc. Nig. Soc. Anim. Prod., 28: 8-10.
    • 18. Hassan, W. A. and A. Idris. 2003. Dressing-out percentage and offal yield of sheep in the semi-arid zone of Nigeria. In: Taiwo, A. A., Raji, A. M., Ogbonna, J. U. and E. A. Adebowale (Eds.). Proc. Nig. Soc. Anim. Prod., 28: 99-102.
    • 19. Hassan, W. A. and J. Steinbach. 2004. Estimates of repeatability of litter traits in traditionally-managed Yankasa sheep in north-western Nigeria. In: Tukur, H.M., Hassan, W.A., Maigandi, S.A., Ipinjolu, J.K., Daneji, A.I., Baba, K.M. and B.R. Olorede (Eds.) Sustaining Livestock Production under changing Economic Fortunes. Proc. Nig. Soc. Anim. Prod., 29: 22-26.
    • 20. Abubakar, A., Sekoni, A. A., Tukur, H. M. and W. A. Hassan. 2004. Impact of yeast supplementation on the growth performance of pullet chicks fed diets with high levels of rice bran. In: Tukur, H. M., Hassan, W. A., Maigandi, S. A., Ipinjolu, J. K., Daneji, A. I., Baba, K. M. and B. R. Olorede (Eds.). Sustaining Livestock Production under changing Economic Fortunes. Proc. Nig. Soc. Anim. Prod., 29: 265-267.
    • 21. Hassan, W. A., Steinbach, J. and I. Hoffmann. 2004. Indices of reproduction in goats raised under agro-silvo-pastoral systems in the Sudan Savannah zone of Nigeria. In: Tukur, H. M., Hassan, W. A., Maigandi, S. A., Ipinjolu, J. K., Daneji, A. I., Baba, K. M. and B. R. Olorede (Eds.). Sustaining Livestock Production under changing Economic Fortunes. Proc. Nig. Soc. Anim. Prod., 29: 366-369.
    • 22. Noma, S. S., Yakubu, M., Danmowa, N. M., Ibrahim, S. A., Hassan, W. A. and A. G. Ojanuga. 2004. Crop-livestock interaction for replenishment of soil fertility under the smallholder livestock production systems. In: Tukur, H. M., Hassan, W. A., Maigandi, S. A., Ipinjolu, J. K., Daneji, A. I., Baba, K. M. and B. R. Olorede (Eds.). Sustaining Livestock Production under changing Economic Fortunes. Proc. Nig. Soc. Anim. Prod., 29: 415-418.
    • 23. Hassan, W. A. and A. S. Hamza. 2004. Awareness of chick sexing methods among village poultry keepers in Sokoto state, Nigeria. In: Ogunji, J. O., Osakwe, I. I., Ewa, V. U., Alaku, S. O., Otuma, M. O. and B. O. Nweze (Eds.). Self Sufficiency of Animal Protein in Nigeria: A Reality or a Mirage. Proc. of the ninth annual conference of the Animal Science Association of Nigeria (ASAN), pp. 274-276.
    • 24. Hassan, W. A. and U. Ahmad. 2004. Genetic and non-genetic factors influencing size characteristics and price of raw goat skins in Sokoto, Nigeria. In: Ogunji, J. O., Osakwe, I. I., Ewa, V. U., Alaku, S. O., Otuma, M. O. and B. O. Nweze (Eds.). Self Sufficiency of Animal Protein in Nigeria: A Reality or a Mirage. Proc. of the ninth annual conference of ASAN, pp. 277-280.
    • 25. Hassan, W. A.and A. S. Muhammad. 2004. Variation in body size and weight of pack donkeys in Sokoto, Nigeria. In: Ariyo, O. J., Ikeobi, C. O. N., Ozoje, M. O., Omoniyi, I. T. and O. B. Kehinde (Eds.). Genetics and Improvement in the Quality of Life. Proc. of the 29th annual conference of the Genetics Society of Nigeria (GSN),pp. 100-103.
    • 26. Hasssn, W. A.and T. Muhammad. 2005. Growth response of intensively-managed native domestic fowls (Gallus domesticus) to diet containing grasshopper meal in Sokoto, Nigeria. In: Fanimo, A. O., Peters, S. O., Idowu, O. M. O., Ola, S. I. and E. B. Sonaiya (Eds.). The Emerging Opportunities for Poultry Production in West Africa. Proc. of the first Nigeria International Poultry Summit (NIPS), pp. 211-213.
    • 27. Abubakar, A., Tukur, H. M., Sekoni, A. A. and W. A. Hassan. 2005. Influence of yeast supplementation on growth performance and carcass characteristics of broiler chickens fed diets containing two different levels of rice bran. In: Fanimo, A. O., Peters, S. O., Idowu, O. M. O., Ola, S. I. and E. B. Sonaiya (Eds.). The Emerging Opportunities for Poultry Production in West Africa. Proc. of the First NIPS,pp. 214-219.
    • 28. Ipinjolu, J. K., O. O. Agbelege and W. A. Hassan. 2005. Exploratory survey of Malian and Ndurutu traps in River Rima, North-western Nigeria. In: Araoye, P.A. (Ed.). Proc. of the 19th annual conference of the Fisheries Society of Nigeria (FISON),pp. 341-348.
    • 29. Agbelege, O. O., J. K. Ipinjolu and W. A. Hassan. 2005a. Evaluation of a new fishing pot trap (Lege) in River Rima, North-western Nigeria. In: Araoye, P. A. (Ed.). Proc. of the 19th annual conference of FISON, pp. 349-364.
    • 30. Agbelege, O. O., J. K. Ipinjolu and W. A. Hassan. 2005b. Influence of number of valves on catch composition of prototype (Lege) traps in River Rima, North-western Nigeria. In: Araoye, P. A. (Ed.). Proc. of the 19th annual conference of FISON,pp. 365-375.
    • 31. Ipinjolu, J. K., J. O. Olopade, R. A. Shehu and W. A. Hassan. 2005. Assessment of nutritional quality and consumer acceptance of ‘kilishi’ of African carp (Labeocoubie, Rueppell) and Elephant snout (Hyperopisusbebeoccidentalis, Guenther). In: Araoye, P. A. (Ed.). Proc. of the 19th Annual conference of FISON, pp. 376-381.
    • 32. Hassan, W. A. and M. S. Shinkafi. 2005. Backyard cattle keeping in Sokoto: Herd structure and breeding practices. In: Dairo, F. A. S., Fajemilehin, S. O. K. and G. E. Onibi (Eds.). The Potential and Limitations to Self Sufficiency in Livestock Production in Nigeria. Proc. of the tenth annual conference of the Animal Science Association of Nigeria (ASAN),pp. 14-16.
    • 33. Hassan, W. A. and B. Omotola. 2005. Care and growth performance of calves under the peri-urban cattle production system in Sokoto, Nigeria. In: Dairo, F. A. S., Fajemilehin, S. O. K. and G. E. Onibi (Eds.). The Potential and Limitations to Self Sufficiency in Livestock Production in Nigeria. Proc. of the 10thannual conference of the Animal Science Association of Nigeria (ASAN), pp. 17-20.
    • 34. Hassan, W. A., I. Zallaand H. Yakubu-Bako. 2005. Evaluation of post-weaning growth in Dutch and New Zealand White rabbits in the semi-arid tropics.In: Uguru, M.I., Iroegbu, C.U. and V.C. Ejere (Eds.). Genetics and Sustainable Agriculture. Proc. of the 30thannual conference of the Genetics Society of Nigeria (GSN),pp. 165-170.
    • 35. Hassan, W. A.and M. Abdulkareem. 2005. Response of growing indigenous chickens to dietary levels of calabash seed cake in the semi-arid tropics.In: Uguru, M. I., Iroegbu, C. U. and V. C. Ejere (Eds.). Genetics and Sustainable Agriculture. Proc. of the 30thannual conference of the Genetics Society of Nigeria (GSN),pp. 171-174.
    • 36. Hassan, W. A. and I. Abdullahi. 2006. Variation in bodyweight and comb size of the indigenous domestic fowls in north-western Nigeria. In: Muhammad, I. R., Muhammad, B. F., Bibi-Farouk, F. and Y. Shehu (Eds.). Application of Appropriate Technology in Overcoming Environmental Barriers in Animal Agriculture in Nigeria. Proc. of the 31st annual conference, Nigerian Society for Animal Production (NSAP), pp. 18-21.
    • 37. Hassan, W. A., I. Mohammed and A. O. Dare. 2006. Traditional poultry processing as an economic activity in Sokoto - A diagnostic survey. In: Muhammad, I. R., Muhammad, B. F., Bibi-Farouk, F. and Y. Shehu (Eds.). Application of Appropriate Technology in Overcoming Environmental Barriers in Animal Agriculture in Nigeria. Proc. of the 31st annual conference, NSAP, pp. 217-220.
    • 38. Mohammed, N., Maigandi, S. A., Hassan, W. Akin. and A. I. Daneji. 2006. Nutrient digestibility and utilization by growing sheep fed rice milling waste (RMW). In: Muhammad, I. R., Muhammad, B. F., Bibi-Farouk, F. and Y. Shehu (Eds.). Application of Appropriate Technology in Overcoming Environmental Barriers in Animal Agriculture in Nigeria. Proc. of the 31st annual conference, NSAP, pp. 434-438.
    • 39. Rabiu, L. M., Hassan, W. A. and H. M. Tukur. 2006. A note on the diversity and utility patterns of donkeys in selected local government areas of Zamfara State. In: Raji, A. M., Oluokun, J. A. and S. O. Odukoya (Eds.). New Challenges in Animal Production: The Way Forward. Proc. of the 11thannual conference of the Animal Science Association of Nigeria (ASAN),pp. 278-281.
    • 40. Ahmed, Y. B., Ipinjolu, J. K. and W. A. Hassan. 2006. Catch composition of gillnets and baited longlines in the southern basin of lake Kainji, Nigeria. In: Ansa, E. J., Anyanwu, P. E., Ayonoadu, B. W., Erondu, E. S. and S. N. Deekaf (Eds.). Fish for Food and Income Generation in Nigeria. Proc. of the 20th annual conference of FISON, pp. 350-360.
    • 41. Hassan, W. A. 2006. Phenotypic frequencies and dimensions of coat hair colour pattern in Uda sheep. In: Olakojo, S. A., Ogunbodede, B. A. and S. R. Akande (Eds.). Genetics, Food Sufficiency and Economic Empowerment in Nigeria. Proc. of the 31stannual conference of the Genetics Society of Nigeria (GSN),pp. 127-129.
    • 42. Zalla, I. L., Hassan, W. A., Maigandi, S. A. and A. I. Daneji. 2007. Breed effect on litter traits in rabbits in semi-arid zone of Nigeria. In: Agiang, E. A., Agwunobi, L. N. and O. O. Olawoyin (Eds.). Sustainability of the Livestock Industry in an oil Economy. Proc. of the 32nd annual conference, NSAP, pp. 134-137.
    • 43. Malami, Z. G., J. K. Ipinjolu, W. A. Hassan and I. Magawata. 2007. Food and feeding habit of freshwater mormyrid (Hyperopisus beb eoccidentalis, Gunther) in River Rima and Goronyo Dam, Nigeria. In: P. A. Araoye, I. A. Adikwu and R. O. Banke (Eds.). Proc. of the 22nd annual Conference of the Fisheries Society of Nigeria. pp 120-127.
    • 44. Malami, Z. G., J. K. Ipinjolu, I. Magawataand W. A. Hassan. 2007. A comparative analysis of the food and feeding habits of African Lungfish (Protopterus annectens, Owen) in River Rima and Goronyo Dam in North Western Nigeria. In: P. A. Araoye, I. A. Adikwu and R. O. Banke (Eds.). Proc. of the 22nd annual Conference of the Fisheries Society of Nigeria. pp 128-134.
    • 45. Hassan, W. A., I. Hoffmann and J. Steinbach. 2008. Non-genetic effects on pre- and post-weaning survival of Uda lambs at Gidan Jaja, Zamfara State. In: W. A. Hassan, B. L. Aliero, L. Abubakar, A. A. Aliero, A. Singh, M. B. Yerima and L. A. Argungu (Eds.). Genetics for Enhanced Food Security and Livelihood. Proc. of the 32nd annual conference of the Genetics Society of Nigeria. Pp. 140-145.
    • 46. Rabiu, L. M., W. A. Hassan and B. M. Dogon-Kade. 2008. Evaluation of body linear measurements and live weight of foals in Zamfara, North-western Nigeria. In: W. A. Hassan, B. L. Aliero, L. Abubakar, A. A. Aliero, A. Singh, M. B. Yerima and L. A. Argungu (Eds.). Genetics for enhanced Food Security and Livelihood. Proc. of the 32nd annual conference of the Genetics Society of Nigeria. Pp. 146-150.
    • 47. Hassan, W. A. and I. T. Masha (2009). Enhancement of milk letdown in cows with organic substances: A case study of pastoralists in Niger state, Nigeria. In: H. M. Tukur, W. A. Hassan, A. Singh and A. I. Yakubu (Eds.). Organic Agriculture for Better Livelihoods. Proc. of the third Annual Conference of the Organic Agriculture Project in Tertiary Institutions in Nigeria (OAPTIN), pp. 276-278.
    • 48. Hassan, W. A., Dogon-Kade, B. M. and L. M. Rabiu (2009). Herbal remedies for reproductive problems of cows in KauraNamoda Local Government Area of Zamfara state, Nigeria. In: H. M. Tukur, W. A. Hassan, A. Singh and A. I. Yakubu (Eds.). Organic Agriculture for Better Livelihoods. Proc. of the third OAPTIN Annual Conference, pp. 279-282.
    • 49. Abubakar, L., Hassan, W. A. and L.A. Argungu (2009). Relevance of participatory plant breeding in organic agriculture in Nigeria. In: H. M. Tukur, W. A. Hassan, A. Singh and A. I. Yakubu (Eds.). Organic Agriculture for Better Livelihoods. Proc. of the third OAPTIN Annual Conference, pp. 215-220.
    • 50. Raji, A. and W. A. Hassan. 2009. Brooding performance of indigenous domestic fowls at Takalmawa and Nasarawa villages of Sokoto state, Nigeria. In: Akinlade, J. A., Olayeni, T. B., Rafiu, T. A., Akinwunmi, A. O., Aderinola, O. A., Ojebiyi, O. O. and Odunsi, A. A. (Eds.). Global Economic Recession and the Challenges to Livestock Production in Nigeria. Proc. of the 14th annual conference of the Animal Science Association of Nigeria. Pp. 524-527.
    • 51. Kwaido, A. A., Garba, S., Hassan, W. A. and A. Garba. 2011. Traditional methods of early diagnosis of pregnancy in sheep and goats in some selected villages in North-western Nigeria. In: Adeniji, A. A., Olatunji, E. A. and E. S. Gana (Eds.). Value Re-orientation in Animal Production: A Key to National Food Security and Stable Economy. Proc. of the 36th annual conference, NSAP, Pp. 190-191.
    • 52. Egbewande, O. O., Olorede, B. R., Maigandi, S. A. and W. A. Hassan. 2011. Comparative advantages of crude source of ascorbic acid over its synthetic counterpart on broiler chicken in semi-arid savannah. In: Adukwu, A. O., Oluwagbemi, T., Aribido, S. O., Daikwo, S. I. and O. J. Saliu (Eds.). Research and Value Addition: Key to Transformation of the Nigerian Livestock Industry. Proc. of the 16th annual conference of the ASAN. Pp. 311-313.
    • 53. Usman, B. and Hassan, W. A. 2013. Ecotypes of indigenous chickens in Sokoto South Local Government Area: Variation in weight of birds and eggs. In: Kwon-Ndung, E. H., Ogah, D. M. and A. Yakubu (Eds.). Genetics and the Future. Proc. of the 37thannual conference of the Genetics Society of Nigeria (GSN), Pp. 145-152.
    • 54. Idris, D. Y., Hassan, W. A., Jibril, M. and O. O. Oni. 2014. Variation in coat hair colour in Sokoto Red goats. In: Abdullah, A-R., Tayo, G. O., Okubanjo, A. O.and O. A.Akinsoyinu(Eds.). Proc. of the 39th annual conference of the NSAP, Pp. 29-32.
    • 55. Ewuola, K. M., Akinyemi, M.O. and W. A. Hassan. 2014. Phenotypic characterisation of Muscovy ducks in Ibadan, Oyo state. In: Omokhafe, K. O. and J. Odewale (Eds.). Genetics: Public Awareness and National Transformation.Proc. of the 38thannual conference of the Genetics Society of Nigeria (GSN), Pp. 97-103.
    • 56. Adebambo, O., Adebambo, A. ,Adeleke, M. , Adeleye, A., Adetunji, A. , Ajayi, F. , Akinola, W. , Alabi, O. , Bamidele, O., Dessie, T., Ikeobi, C., Ogundu, U. ,Ojoawo, H. ,Osinbowale, D., Ozoje, M. , Peters, S. , Sonaiya, B. , Wheto M. and Yakubu, A. (2018). Genetic conservation through effective utilization of the improved indigenous chicken breeds by rural households in Nigeria. Proceedings of the World Congress on Genetics Applied to Livestock Production, Auckland, NewZealand, February 11-16, 2018. Paper No. (Poster): 1117. (On-line). New Zealand
    • 57. Hassan, W.A., Yakubu, A., Bamidele, O., Ajayi, F.O., Ogundu, U.E., Alabi, O., Sonaiya, E.B. and Adebambo, O.A. (2018). Genetic differences in performance of five chicken genotypes reared in five sub-national zones in Nigeria. Proceedings of the 43rd Annual Conference of the Nigerian Society for Animal Production held at Federal University of Technology, Owerri, Nigeria from 18-22 March, 2018. Nigeria.
  5. Editorship and Chapters in Books
    • 1. Iliya, M. A., Salawu, A. A., Jumare, I. M. and W. Akin. Hassan (Eds.). 2000. UsmanuDanfodiyo University at 25: Progress, Problems and Prospects, 538 pp.
    • 2. Hassan, W. Akin. and M. A. Iliya. 2000. The way forward: A conclusion. In: M. A. Iliya, Salawu, A. A., Jumare, I. M. and W. Akin. Hassan (Eds.). UsmanuDanfodiyo University at 25: Progress, Problems and Prospects, p. 210-212.
    • 3. Tukur, H. M., Hassan, W. A., Maigandi, S. A., Ipinjolu, J. K., Daneji, A. I., Baba, K. M. and B. R. Olorede (Eds.). 2004. Sustaining Livestock Production under Changing Economic Fortunes. Proc. Nig. Soc. Anim. Prod., 29: 436 pp.
    • 4. Hassan, W. A., Aliero, B. L., Abubakar, L., Aliero, A. A., Singh, A., Yerima, M. B. and L. A. Argungu (Eds.). 2008. Genetics for Enhanced Food Security and Livelihood. Proc. of the 32nd annual conference of the Genetics Society of Nigeria. 166 pp.
    • 5. Tukur, H. M., W. A. Hassan, A. Singh and A. I. Yakubu (Eds.). 2009. Organic Agriculture for Better Livelihoods. Proc. of the third Annual Conference of the Organic Agriculture Project in Tertiary Institutions in Nigeria (OAPTIN), 282 pp.
    • 6. Mohammed, I., U. B. Kyiogwom, W. A. Hassan, A. L. Ala, A. Singh and S. D. Dogondaji. 2009. Sustaining Agricultural Growth to Meet National Economic Development Goal. Proc. of the 23rd National Conference of Farm Management Association of Nigeria, Faculty of Agriculture, UsmanuDanfodiyo University, Sokoto, Nigeria, 14th to 17th December, 2009. 769 pp.
    • 7. Hassan, W. A. 2010. Climate Change and Desertification: Threat to Food Security in Nigeria. Programme and Book of Abstracts.
    • 8.Hassan, W. A., Kyiogwom, U. B., Tukur, H. M., Ipinjolu, J. K., Maigandi, S. A., Singh, A., Ibrahim, N. D., Dikko, A. U., Bashar, Y. A. and N. Muhammad (Eds.) 2011. Mobilizing Agricultural Research towards Attaining Food Security and Industrial Growth in Nigeria. Proc. of the 45th Annual Conference of the Agricultural Society of Nigeria, Faculty of Agriculture,UsmanuDanfodiyo University, Sokoto, Nigeria, 24th to 28th October, 2011. 589p.
  6. Scientific and Technical Reports
    • 1. Hassan, W. A. 1991. Survey of investment potentials in Sokoto State: Livestock and poultry production. A project carried out for Gamji Bank Nigeria Plc, by Usmanu Danfodiyo University Consultancy Services (UDUCONS).
    • 2. Hassan, W. A. 1992. A feasibility study of Malam Mailafia Farms (MARU): A subsidiary of Limelight Nigeria Limited: Commercial sheep and goat production (A project carried out for Limelight Nigeria Ltd. by UDUCONS).
    • 3. Abubakar, M. M., Awodola, A. M., Ataja, A. M., Maigandi, S. A., Hassan, W. A. and L. A. Argungu. 1992. Diagnostic survey of livestock and wildlife in Zamfara grazing reserve. First EEC / NUC Project Assessment Seminar on JLU/UDU EEC-Linkage Programme, UDU, Sokoto, p. 19-21.
    • 4. Musa, A., Bashir, D., Abubakar, M. M., Chafe, U. M., Kyiogwom, U. B., Mohammed, I. and W. A. Hassan. 1992. Baseline survey of camel production and utilization in Sokoto State. First EEC/ NUC Project Assessment Seminar on JLU/UDU EEC-Linkage Programme, UDU, Sokoto, p. 34-36.
    • 5. Abubakar, M. M., Hassan, W. A. and I. Mohammed. 1996. Animal husbandry systems: A survey. In: Rangeland Development in the Endangered Sudan Savannah in Sokoto State, Nigeria. Life Sciences and Technologies for Developing Countries (STD-3) European Union, Research Report 1992-1994, p. 53-56.
    • 6. Hassan, W. A., Tukur, H. M., Mohammed, I., Maigandi, S. A. and B. S. Malami. 1997. Animal husbandry systems and the problems of improving them. In: Rangeland Development in the Endangered Sudan Savannah in Sokoto State, Nigeria. Life Sciences and Technologies for Developing Countries (STD-3) European Union, Research Report 5 1996-1997, p. 44-51.