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Prof. Bassey Okon

Professor
Animal Science
basseyokon@unical.edu.ng

Professor Bassey Okon is a professor of Animal breeding and genetics in the Department of Animal Science, Faculty of Agriculture, Forestry and Wildlife Resources Management, University of Calabar, Calabar, Nigeria. He is an expert in breeding of monogastric animals (poultry and pigs) and microlivestock especially snails. Prof. Okon is an erudite scholar, astute academic and a prolific writer who loves conducting and reporting research projects and has trained several up-coming academics and students. To date, Prof. Okon has successfully mentored many academic doctors and made over one hundred and thirty (130) and still counting!, publications in nationally and internationally reputed journals, peer reviewed proceedings of professional conference. Prof. Okon has successful supervised and produced eight (8) doctorial candidates (another six (6) are in the making. He has also successfully supervised and produced over seven (7) M.Sc candidates. Prof. Bassey Okon has been an external examiner to University of Ibadan, Federal University of Agriculture, Abeokuta and Michael Opara University of Agriculture, Umudike. He has also externally assessed a candidate for the position of Professor. Prof. Okon has been involved and served the University of Calabar at various committee levels. He has served as members on Faculty representative on Faculty of Social Sciences, Housing Allocation Committee, Graduate School Board, Graduate School Results and Thesis Vetting Committee, Department of Animal Science Assessment Panel for Staff Promotion, Faculty of Agriculture, Forestry and Wildlife Resources Management for staff promotion and University Senate, as well as Secretary and Coordinator, Unical Livestock Farm. Prof. Okon has rendered tremendous services to the public and community which include among others, member of Board of Governors, Assemblies of God Bible College, Uyo; Church Secretary (30 years of meritorious service), Church Interpreter, Chairman, Church Building Committee, Chairman, Evangel Nursery and Primary School, Calabar, Board Secretary, Evangel Clinic and Maternity, Calabar, Chairman, Marriage Counselling Committee, as well as member, Niger Delta Development Commission (NDDC) Postgraduate Foreign Scholarship Panel for Screening/Interview exercise. Prof. Okon is a born again full member and serving Elder of Assemblies of God Church, Calabar, Nigeria. He is happily married to Mrs. Anthonia, B. Okon and the marriage is richly blessed by God with children and grandchildren.

Okon, B., Ibom, L. A., Halilu, A. and Onwuka, P. O. (2017). Comparative morphometic traits differentiation and phenotypic correlations between Achatina achatina (Linne, 1758) and Achatina fulica (Bowdich, 1822) snails with four and five whorls. Journal of Animal Science and Veterinary Medicine. Vol. 2, Pg. 102 – 108.


Ibom, L. A., Okon, B., Okon, F. I. and Owoyemi, J. D. (2017). Growth curves analysis of selected phenotypic traits of F1 Hatchings of Blank-and-white-skinned Archachatina marginata snails Ectotypes. Journal of Molluscan Research. Vol. 3, Pg. 35-41.


Okon B., Ibom L. A. Udoh, U. H. and Njume, G. N. (2013). Phenotypic Snail Characterization of Archachatina marginata (S) Snails in Niger Delta Region of Nigeria. Proceedings of 2nd International Conference/Workshop Giant African Land Snails (GALS), NetGALS, Abeokuta, Nigeria, 2nd - 5th June, 2013, Pg 19-24.


Okon B., Ibom L. A., Ebenso, I. E and Bassey A. E. (2013). Developmental stages and Quality traits of Giant African Land Snails (Archachatina Marginata(S) eggs. Proceedings of 2nd International Conference/Workshop on Giant African land Snails (GALS) NetGALS, Abeokuta, Nigeria, 2nd -5thJune, 2013 Pg. 26-31.


Okon B., Ibom L. A., Akpe A. E and Okon, F. I. (2013). Genetic and Phenotypic variations inEgg shell colours of Two Ectotype of Giant African Land Snails (ArchachatinaMarginata Var.saturalis). Proceeding of 2ndInternational Conference/Workshop onGiant African Land Snails (GALS). NetGALSAbeokuta, Nigeria 2"d - 5th June, 2013, Pg46-51.


Okon B., Ibom, L. A., Ukorebi, B. A. and Okon F. I. (2014). Growth and Morphometric Traits of Achatinaachatina (L) Juvenile Snails in Calabar, Nigeria. Proceedings of 3rdInternational Conference/workshop on Giant African Land Snail. Centre for Degree Programme (CEDEP). Federal College of Education, Abeokuta, 1st- 4th June 2014, Pg. 15-21.


Ibom L. A. Okon B, Okon, F. I. and Nwambam, I. U. (2014). Morphological Characterization of Giant African Land Snails from Three Agro - Ecological Zones of Delta State, Niger i a. Proceeding of 3rdInternational Conference/Workshop on Giant African Snail. Centre for Degree Programme (CEDEP). Federal College of Education, Abeokuta, 1st-4th June, 2014 Pg. 38-44.


Ibom, L. A., Okon, B., and Okon, F. I. (2015). Interrelationships between Body Weight and Shell Measurement of Snails (Archachatina Marginata Var. Saturalis) at different Ages. Proceedings of the 4th International Conference/Workshop on Giant African Land Snail (NetGALS) Nnamdi Azikwe University, Awka, Nigeria, 1st - 4th June, 2015.


Ibom, L. A., Okon, B. and Patani, I. (2016). Phenotypic correlations among Growth Traits of Archachatina marginatasnails offspring in Calabar, Nigeria. Proceedings of the 5th International Conference/Workshop on Giant African Land Snails (NetGALS), Calabar, Nigeria, 5th – 9th June, 2016. Pg. 23-26


Etienam-Umoh, I. S., Okon, B. and Nsa, E. E. (2016). Effects of Garden snail (Limicolaria aurora) meal fed as Replacement fed fishmeal on Serum and Haematological Parameters of Broiler Birds. Proceedings of the 5th International Conference/Workshop on Giant African Land Snails (NetGALS), Calabar, Nigeria, 5th – 9th June, 2016. Pg. 85-87


Ibom, L. A., Patani, I., Okon, B. and Okon, F. I. (2016). Phenotypic variations in Reproductive traits of two strains of Archachatina marginatasnails (var. ovum and var. saturalis) and their crosses. Proceedings of the 5th International Conference/Workshop on Giant African Land Snails (NetGALS), Calabar, Nigeria, 5th – 9th June, 2016. Pg. 23-26


Sam, I. M., Okon, B., Edem, W. and Ukpanah, U. A. (2016). Quantitative Traits Measurements as Predictor of Body Weights in Black Skinned and white skinned Archachatina marginata snails. Proceedings of the 5th International Conference/Workshop on Giant African Land Snails (NetGALS), Calabar, Nigeria, 5th – 9th June, 2016. Pg. 94-96


Okon, B., Ibom, L. A., Asuquo, B. O. and Udo, U. H. (2016). Effects of Phases of Growth and Number of whorls on Growth Curves of Purebred and Crossbred Archachatina marginata (s) snails. Proceedings of the 5th International Conference/Workshop on Giant African Land Snails (NetGALS), Calabar, Nigeria, 5th – 9th June, 2016. Pg. 88-93


Etienam-Umoh, I. S., Okon, B. and Nsa, E. E. (2016). Comparative Evaluation of the Proximate Composition of Garden Snails Limicolaria aurora)meat and fish meal. Proceedings of the 5th International Conference/Workshop on Giant African Land Snails (NetGALS), Calabar, Nigeria, 5th – 9th June, 2016. Pg. 94-96


Otu , B. O., Ibom, L. A. and Okon, B. (2016). Reproductive Performance of F2Archachatina marginatasnails obtained by crossing First Filial Generation of Heterozygons and Homozygous Black-skinned snails in Calabar, Nigeria. Proceedings of the 5th International Conference/Workshop on Giant African Land Snails (NetGALS), Calabar, Nigeria, 5th – 9th June, 2016. Pg. 120-126


Ibom, L. A., Okon, F. I., Okon, B. and Akpe, A. E. (2016). Comparative Evaluation of carcass characteristics of two snail breeds (Archachatina marginata and Archatina achatina) in Calabar, Nigeria. Proceedings of the 5th International Conference/Workshop on Giant African Land Snails (NetGALS), Calabar, Nigeria, 5th – 9th June, 2016. Pg. 131-134


Inar-Ibor, O. B., Okon, B., Ibor, B. I. and Ibom, L. A. (2016). Reproductive Performance and Histological changes in the Reproductive Organs of Archachatina marginata var. saturalis fed different types of forages. Proceedings of the 5th International Conference/Workshop on Giant African Land Snails (NetGALS), Calabar, Nigeria, 5th – 9th June, 2016. Pg. 135-138


Asuquo, B. O., Okon, B. and A. O. Ekong (1992). Quality Parameters of Isa-brown and Nigerian Local Chicken Eggs. Nigerian Journal of Animal Production 19 (1 and 2): 1-5.


Asuquo, B. O. and B. Okon (1993). Effects of Age in Lay and Egg Size in Fertility and Hatchability of Chicken Eggs. East African Agricultural and Forestry; Journal 59(1): 79-83.


Okon, B. and E. E. Egor (1994). The Influence of Age and Diurnal Period in Duration of Selected Activities of Broiler Chicken in the Humid Tropics. East African Agricultural and Forestry Journal 59(4):305-309.


Okon, B., Asuquo, B. O. and P. E. Ekwere (1996). Appraisal of Genetic Biotechnology Techniques used in Livestock Breeding. Nigerian Journal of Agriculture Vol. 15: Pg. 27-32


Okon, B., Ogar, I. B. and Mgbere, O. O. (1997). Interrelationships of Live Body Measurements of Broiler Chickens in a Humid Tropic Environment. Nigerian Journal of Animal Production, Vol. 24 (1 and 2): Pg. 7-12.


Asuquo, B. O. and Okon, B. (1997). Genotype Effect of Broiler Performance under the sub-humid Environment. Journal of Applied Sciences and Education. Vol. 5(1): 10-13.


Okon, B. and Asuquo, B. O. (1998). Variations in some Growth Indices of Broiler Birds Grouped according to Body Weight ranges. Global Journal of Pure and Applied Sciences. Volume 5: No. 2, Pg. 162-166.


Asuquo, B. O. and Okon, B. (1999). A Note on the Heritability of Body Weight at various ages in Growing Rabbits. Global Journal of Pure and Applied Sciences. Volume 5: No. 4, Pg. 453-455.


Okon, B. Adesehinwa, A. O. K. and P. E. Ekwere (1999). Appraisal of Rabbit Production in Calabar Metropolis of Cross River State, Nigeria. Tropical Journal of Animal Science, Volume 1: No. 2, Pg. 207-217.


Adesehinwa, A. O. K., Fanimo, A. O., Ogunmodede, B. K., Okon, B. and Ogunsanmi, O. (1999). Performance of Growing Pigs Fed Graded levels of maize offal as a replacement for maize. Tropical Veterinarian. Volume 17: Pg. 157-167.


Okon, B. and Ekpenyong. C. D. (2000). Evaluation of the Reproductive Efficiency of Lohmann Brown Layers in Commercial Hatchery. Journal of Science, Engineering and Technology. Volume 7: No. 3, Pg. 2425-2429.


Ibom, L. A., Asuquo, B. O., Okon, B., Essien, A., Akpet, S. O., Iso, I. E., Ubua, J. A. and Idio, D. A. (2006). Growth Evaluation and Survivability of Piglets farrowed by gilts of different ages in the Rainforest Zone of Nigeria. International Journal of Agriculture in Rural Development. Volume 7: No. 1: Pg. 44-49.


Ibom, L. A., Asuquo, B. O., Okon, B., and Nsa, E. E. (2006). Effects of Age at First Mating on Litter Traits of Crossbred Pigs in Sub-Humid Tropics. Tropical Animal Production Investigation (TAPI) Volume 9: Pg. 9-16.


Okon, B., Ibom, L. A., Nsa, E. E. and Anthony, Q. S. (2006). Variations in Reproductive Traits of Rabbits Serviced within specified ages and body weight ranges at First Mating in Sub-Humid Tropical Environment. Tropical Animal Production Investigation (TAPI). Volume 9: Pg. 1-8.


Nsa, E. E. and Okon, B. (2007). The Effect of Different Levels of Caged Layer Droppings in Rabbit Diets on intake and Growth Performance. Journal of Research in Agriculture. Volume 4: No. 2, Pg. 57-60.


Ibom, L. A., Okon, B. and Essien, A. (2008). Morphormetric Analysis of Eggs laid by two Ectotypes of Snails [Archachatina marginata (Swainson)] raised in captivity. Global Journal of Agricultural Sciences. Volume 7: No. 2, Pg. 119-121.


Etta, H. E., Udoh, P. B., Asuquo, B. O. and Okon, B. (2007). Effect of Phyllanthus Amarus on Breeding Efficiency of Female Albino Rats. Global Journal of Agricultural Sciences. Volume 6: No. 2, Pg. 215-217.


Okon, B., Ngere, L. O. and Ibom. L. A. (2008). Estimates of Genetic parameters of Body Weights of Different Classes of Pigs. Journal of Agriculture, Forestry and the Social Sciences (JOAFSS), Volume 6: No. 1, Pg. 221-227.


Okon, B., Ibom, L. A. and Essien, A. (2008). Variations in Growth Pattern and Predictability of Live weight growth of crossbred pigs in a Tropical wet climate. Journal of Agriculture, Forestry and the Social Sciences. Volume 6: No. 2, Pg. 197 – 206.


Okon, B., Ibom, L. A., Etuk, N. E. and Akpan, E. W. (2008). Variations in Growth Pattern and Conformation of Snails: Influence of strain and location on Isometry of Growth in Cross River State of Nigeria. Journal of Agriculture, Forestry and the Social Sciences. Volume 6: No. 2, Pg. 218-227.


Nsa, E. E., Akpan, I. A., Okon, B., Anya, M. L, Edet G D. and Essien, E. A. (2008). Performance of Broiler Finisher Birds fed palm oil slurry as energy source. Nigerian Southeast Journal of Agricultural Economic and Extension. Vol. 8: No. 1 and 2, Pg. 18-21.


Okon, B., Asuquo, B. O. and Ekpenyong, G E. (2009). Impacts of Genetic Engineering in Aquaculture: A Review. Journal of Science, Engineering and Technology, Volume 16: No. l, Pg 8594-8602.


Ibom, L. A. and Okon, B. (2009). Prediction of Body Weight using Linear Body Measurements of Piglets farrowed by Gilts of different ages. Journal of Science, Engineering and Technology. Volume 16: No. 1, Pg. 8669-8673.


Okon, B. and Afangideh, U. P. (2009). Implication of Gene Transfer in Livestock Production: A Review. Journal of Applied Sciences. Volume 12: Number 1, Pg. 8192-8199.


Okon, B., Ibom, L. A., Ekpo, I. A. and Ewa, E. C. (2009). Evaluation of Reproductive Performance and some Egg Quality Parameters of Albino Snails [Archachatina marginata saturalis (Swainson)]. Journal of Applied Sciences. Volume 12: No. 2, Pg 8234-8240.


Okon, B., Ibom, L. A., William, M. E. and Akpakpan, I. E. (2009). Comparative Evaluation of Reproductive Performance and Some Egg Quality Parameters of Black and White Skinned Snails. Global Journal of Agricultural Sciences. Volume 8: No. 1 Pg. 77-80.


Williams, M. E., Essien, A. I. and Okon, B. (2009). Comparative Egg Production Analysis of Isa-Brown Laying Strain Raised in Three Poultry Farms in Tropical Environment. Global Journal of Agricultural Sciences. Volume 8: No. 1 Pg. 101-105.


Etta, H. E., Udoh, P. B., Enobong, E. E. and Okon, B. (2009). Anti-spermatogeic Effects of Ethanol Extract of Mucuna Urens. Journal of Reproduction and Contraception. Vol. 20: No. 3,Pg. 161-168.


Williams, M. E., Usoro, O. O. and Okon, B. (2010). Performance and Carcass characteristics of Broiler finisher fed graded levels of Mucuna utilis. Journal of Science, Engineering and Technology. Vol. 17(1): 9200-9210.


Okon, B., Ibom, L. A., M. E. Williams and N. T. Akwa (2010). Parity Effects on Breeding and Morphometric Traits of Eggs and Hatchlings on Purebred Albino snail [Archachatina marginata (Swainson)]. Journal of Agriculture, Biotechnology and Ecology, Vol. 3(1): Pg. 44-54.


Okon, B., Ibom, L. A., M. E. Williams and O. M. Etukudo (2010). Effect of Parity on Breeding and Morphometric Traits of Eggs and Hatchlings of Fl crossbred of snails (Archachatina marginata var. saturalis). Journal of Agriculture, Biotechnology and Ecology, Vol. 3 (1): Pg. 36-43.


Okon, B. and L. A. Ibom, (2010). Commercializaiton of Snail Production in Nigeria: Potentials, viabilities and Challenges. Journal of Applied Science. Vol. 13, No. 2, Pg. 9139 – 9158.


Nsa, E. E., Ukachukwu, S, N., Akpan, I. A., Okon, B., Effiong, O. O., Oko, O. O. (2010). Grown Performance, Internal Organ Development and Hematological Responses of Broiler Birds fed Diets containing different Thermal Treated Castor Oil seed meal (Ricinus communis), Global Journal of Agricultural Sciences, Vol. 9, No. 2 Pg. 27-34.


Ibom, L. A., Okon, B. and Isaac, L. J. (2010). Effects of body weight ranges on variations in morphological traits of parent snails and eggs obtained from their matings in Obubra, Nigeria. Articles Base Free Online Articles Directory, Pg. 1-11.


Okon, B., Ibom, L. A. and Ukpoho, I. E. (2010). Impact of Biotechnology on Food Security in Africa. Journal of Applied Sciences. Vol. 13, No. 3, Pg. 9285 - 9299.


Okon, B., Ibom, L. A., Obuzo, U. I. and Ekanem, B. E. (2010). Influence of sex and body weight ranges on variability of some growth indices and body components in wean-to-finish pig production system. Nigerian Journal of Agriculture, Food and Environment. Vol. 6, Nos. 3 and 4; Pg. 76 – 82.


Okon, B., Ibom, L. A., Williams, M. E., Eyoh, G. D. and Afangideh, U. P. (2011). Reproductive and Egg Quality Traits of African Giant Snails (Archachatina marginata var. saturalis) under Mixed feeding with Graded levels of Swamp Taro Cocoyam (Cytosperma chamissonis) and forages. Journal of Agriculture, Biotechnology and Ecology, Vol. 4 (1): Pg. 29-40.


Okon, B., Ibom, L. A. and Odido, E. E. (2011). Reproductive and Egg Quality Traits of Crossbreeding between two strains of Snails. Achivos de Zootecnia. Vol. 60 (2) pp. 4968 - 4972


Ibom, L. A., Okon, B. and Adinya, I. B. (2011). Evaluation of Growth and Body Traits of Snailets obtained from the crossbreeding of black-skinned and white-skinned snails (Archachatina marginata(S) in the Niger Delta area of Nigeria. African Journal of Agricultural Research. Vol. 10, No. 2, Pg. 99-102.


Okon, B., and Idiong, N. B. (2011). Studies on Blood and Plasma Biochemical Characteristics of the African Giant Rat. (Cricetomis gambianus). Global Journal of Agricultural Sciences. Vol. 10, No. 2, Pg. 99-102.


Okon, B. and Ibom, L. A. (2011). Phenotypic Correlations and Body Weights Predictions using Morphometric Traits of Snails in Calabar, Nigeria. Ethiopian Journal of Environemntal Studies and Management. Vol. 4, No. 3, pg. 7-14


Nsa, E. E., Okon, B., Ozung, P. O., Anya, M. L, Wogar, G S. I. and Umoren, E, P. (2011). Proximate Composition, Anti-Nutritional Factors and Growth Response of Broiler Finishers fed Raw and Thermal Treated Milletia Obanensis seed meal. Journal of Agriculture and Veterinary Sciences. Vol. 3:95-102.


Adinya. I. B., Ibom, L. A., Okon, B., and Gboshie, P. (2011). Analysis of Resource Use Efficiency and Macro financing on output of Pig Production among Pig Farmers in Cross River State. In: Practical Issues in Sustainable Food Production and Rural Transformation. Carigi Publisher, Lagos, Nigeria, Pg 220-232.


Okon, B., Ibom, L. A., Ettah, H. E. and Ukpubo, I. E. (2012). Effects of Genotype, Dietary Protein and Energy on the Reproductive and Growth Traits of Parents and F1 Hatchlings of Achatina achatina (L) Snails in Nigeria. International Journal of Applied Science and Technology'. Vol. 2: No. 1, Pg. 179-185.


Ibom, L. A.. Okon, B. and Bassey, B. E. E. (2012). Egg Traits, Hatchability and Snailet Survivability of Black-skinned, White-skinned and crossbred Archachatina marginata snails. International Journal of Agricultural Science and Bioresource Engineering Research. Vol. 1(1): Pp. 10-18.


Okon, B. and Ibom, L. A. (2012). Snail Breeding and Snailery Management. ISBN 978-978-923-172.0 Fresh dew Productions, Calabar, Nigeria Pp. 1- 90.


Ibom, L. A., Okon, B., Adinya, B. I. and Okon, F. I. (2012). Reproductive Performance and Correlations among Egg Traits of two Ectotype of Adult Snail (Archachatina marginata var. Saturalis) in the Humid Tropics. World Journal of Zoology, 1 (2): 113-117.


Okon, B., Ibom, L. A., Nsa, E. E. and Ubua, J. A. (2012). Reproductive and Growth Traits of Parents and Fl Hatchlings of Achatina achatina (L) snails under Mixed Feeding Regime with Graded Levels of Swamp Taro Cocoyam (Cytosperma chamissonis) and paw-paw leaves (Cariya papaya). Journal of Agricultural Science, Vol. 4: No. 11, Pg. 289-298.


Ibom, L. A. and Okon, B. (2012). Evaluation of Growth and Correlations between Body Weight and Shell Measurements of the Juvenile of two Ectotypes of Archachatina marginata var Saturalis (P) Snail. International Journal of Agriculture and Forestry, 2(4): 145-149.


Okon, B., Ibom, L. A., Williams, M. E. and Ekong, N. B. (2012). Effects of Breed on Reproductive Efficiency of two most popular snails [Archachatina marginata (S) and Achatina achatina (L)] in Nigeria. Journal of Agricultural Science, Vol. 4: No. 8, Pg. 236-245.


Okon, B., Ibom, L, A., Ettah, H. E. and Udoh, U. H. (2012). Comparative Differentiation of Morphormetric Traits and Body Weight Prediction of Giant African Land Snails with four whorls in Niger Delta Region of Nigeria. Journal of Agricultural Science, Vol. 4: No. 10, Pg. 205-211.


Ime Ebenso, Agnes Ekwere, Boniface Akpan. Bassey Okon, Ufot Inyang, Gloria Ebenso (2012). Occurrence of Salmonella, Vibro and E. coli in edible land snail in Niger Delta, Nigeria. Journal of Microbiology, Biotechnology and Food Sciences Vol. 2(2): 610-618.


Okon, B., Williams, M. E, Ibom, L. A. and Solomon, I, P. (2012). Influence of body weight ranges on growth and diurnal periods on duration of selected activities of broiler birds under tropical conditions. Trop. Agric. (Trinidad). Vol. 89: No. 4, Pg. 252-257.


Udoh, U. H., Okon, B. and Udoh, A. P. (2012). Egg quality characteristics, phenotypic correlations and prediction of egg weight in three (Naked neck, Frizzled feather and Normal feathered) Nigerian local chickens. International Journal of Poultry Science Vol. 11 (11): 696-699.


Okon, B., Ibom, L. A., Ifut, O. J. and Bassey, A. E. (2013). Intraspecies variation in nutritive potentials of eggs from two ectotypes of giant African land snail (Archachatina marginata var. saturalis) in Calabar, Nigeria. African Journal of Agricultural Research, Vol. 8(15): Pp. 1310-1314.


Ekaluo, U. B., Okon, B., Ikpeme, E. V. and Etukudo, O. M. (2013). Developmental stages of eggs of giant African land snail (Archachatina marginata). Elisir Applied Biology, Vol. 58: Pp. 14844-14845.


Okon, B., Ibom. L. A., Nsa, E. E. and Okoh, L. O. (2013). Swamp Taro cocoyam (Cytosperma chamissonis) as a potential feedstuff for livestock. Global Journal of Agricultural Sciences, Vol. 12: Pp. 101 -107


Okon, B., Ibom, L. A. and Njume, G. N. (2013). Genetic differentiation between the black-skinned and white-skinned snails (Archachatina marginata) using random amplified polymorphic DNAs. African Journal of Biotechnology, Vol. 12(32): Pp. 5035-5039.


Okon, B., Ekaluo, U. B., Etukudo, 0. M. and Ikpeme, E. V. (2013). Phenotypic analysis and correlation of eggs laid by two ectotypes of giant African land snails (Archachatina marginata var. saturalis) in Calabar, Nigeria. Elisir Bio Technology', Vol. 61: Pp. 17206- 17208.


Okon, B., Ibom,. L. A., Ebenso, I. E. and Bassey, A. E. (2013). Developmental stages and quality traits of giant African land snail (Archachatina marginata (S) eggs. Natural Sciences, Vol. 5: No. 10, Pp.1121 -1126


Ibom, L. A.. Okon, B. and Asuquo, L. E (2014). Heterosis of body weights and egg weights of FI snails (Archachatina marginata var saturalis) in Obubra, Nigeria. Journal of Biology, Agriculture and Healthcare. Vol. 4(17): 120-123.


Ibom, L. A., Okon, B., Okon, F. I. and Owoyemi, J. D. (2015). Reproductive performance of Archachatina Marginata Var. Ovum Snails in Calabar, Nigeria. Journal of Molluscan Research. Vol. 1:64-77


Okon, B., Ibom, L. A., and Njume, G. N. (2016). Transgenesis Techniques and Application in Poultry Production. Global Journal of Agricultural Sciences. Vol. 15: 11-15


Okon, B., Ibom, L. A., Bassey, A. E. and Okon, F. I. (2016). The Role of Prostaglandins in livestock Production. Global Journal of Agricultural Sciences. Vol. 15: 27 - 30


Okon, B., Ibom, L. A. and Ina-Ibor, 0. B, (2016). Nutritional Evaluation of Giant African Land Snail (Archachatina Marginata Var. Saturalis) fed diet containing full fat rubber as a replacement for soyabean. Nigerian Journal of Agriculture, Food and Environment. Vol. 12(2): 1-8


Okon, B., Ibom, L. A., Okon, F. I., and Akpan, A. M. (2016). Phenotypic Traits Differentiation between Two Ectotypes of Archachatina marginata (s) snails based on phases of Growth and Number of Whorls on the shell. Journal of Molluscan Research. Vol. 2: 33-45


Okon, B., Ibom, L. A., Etta, H. A., and Akpan, A. M. (2016). Application of number of whorls on the shell in the estimation of Age of Giant African land snails [Archachatina marginata (S)] in Calabar, Nigeria. Journal of Molluscan Research. Vol. 2: 46-52


Etukudo, O. M., Okon, B. and Ekerette, E. E. (2016). Differentiation in Growth of Body components between two ectotypes of Giant African Land Snails (Archachatina marginata S) based on number of whorls in Calabar, Nigeria. Asian Journal of Animal Science. Vol. 10(3): 196 -201


Etukudo, O. M., Okon, B., Ekaluo, U. B. and Ibom, L. A. (2016). Genetic Differentiation between Black-skinned and White-skinned Ectotypes of Giant African Land Snails (Archachatina marginata) in Calabar, Nigeria. Global Journal of Pure and Applied Sciences. Vol. 22:135-139


Okon, B., Ibom, L. A., Ina-Ibor, O. B and Owai, P. U. (2016). Nutritional Evaluation of Giant African Land Snail (Archachatina marginata var. saturalis) fed Diet containing full fat Rubber as a replacement for soyabean. Nigerian Journal of Agriculture, Food and Environment. Vol. 12, No. 2, Pg. 1-8


Ibom, L. A., Okon, B., Henry, A. J., Okon, F. I. and Eze, J. C. (2016). Effects of storage periods and methods on egg quality of Nigerian Local chickens. Nigerian Journal of Agriculture, Food and Environment. Vol. 12, No. 3, Pg. 63-69


Okon, B., Ibom, L. A., Sam, I. M. and Ibiang, N. O. (2017). Comparison of growth and heterosis of body parameters of two varieties of snail [Archachatina marginata (Swainsin, 1821)] and their crosses reared under tropical conditions. Journal of Animal Science and Veterinary Medicine. Vol. 2, pg 1-7.


Sam, I. M., Okon, B., Ukpanah, U. A. and Edem, W. M. (2017). Body weight prediction of Black and White Skinned Archachatina marginata snails from Quantitative Traits measurements. European Journal of Advanced Research in Biological and Life Sciences. Vol. 5, No. 1, Pg. 29-35.


Okon, B., Ibom, L. A., Bassey, O. A. and Abia, M. E. (2017). Effects of group size and floor-size allowance on growth performance and body components of wean-to-finish pigs in the tropical environment. Nigerian Journal of Animal Production. Vol. 44(1):227-232.


Okon, B., Ibom, L. A., Udo, U. H. and Sam, I. M. (2017). Phenotypic correlations and body weights prediction of Archachatina marginata (Swainson, 1821) snails using morphometric traits and number of whorls on the shell. Journal of Molluscan Research. Vol. 3, Pg. 42-48.


Ebegbulem, V. N., Asuquo, B. O. and Okon, B. (2017). Genotype Influence on Production, Fertility and Hatchability of Eggs of Guinea fowl (Numida meleagris) in a Tropical Rain Forest Zone of Nigeria. Journal of Scientific and Engineering Research, Vol. 4 (5): 94 - 97.


Ibom, L. A., Okon, B. and Emah, B. B. (2017). Association Between Body Weight and Dimensional Shell Traits of Snail (Archachatina marginata and Achatina achatina). Nigerian Journal Animal Science, Vol. 19 (1): 50 - 61.


Ibom, L. A., Okon, B., Akpe, A. E. and Okon, F. I. (2017). Genetic and Phenotypic Variations in egg shell colour of two ectotypes of giant African Land Snail (Archachatina marginata Var. Saturalis). African Journal of Biotechnology, Vol. 16 (31): 1646 – 1649.


Okon, B., Ibom, L. A., Dauda, A., Bassey, A. E., Awodiran, M. O. and Etukudo, M. O. (2017). Chromosome Numbers, Evolutionary Relationships and Divergence Among Three Breeds of giant African Land Snails in Nigeria. Nigerian Journal of Animal Production, Vol. 44 (4): 1 – 10.


Ibom, L. A., Okon, B., Dauda, A. and Patani, I. (2018). Variations in Reproductive and Egg traits Correlation estimates of two strains of Archachatina marginata Snails (Var. Ovum and Var. Saturalis) and Crosses. Nigerian Journal of Animal Production, Vol. 45 (1): 26 – 36.


Okon, B., Ibom, L. A., Dauda, A., Bassey, A. E., Idiong, N. B. and Onwuka, P. O. (2018). Influence of Breeds and Number of Whorls on Phenotypic traits and correlation among giant African Land Snails in Nigeria. Nigerian Journal of Animal Production, Vol. 45 (2): 1 – 15.


Dauda, A., Okon, B., Ibom, L.A. and Abbaya, H.Y. (2018). Phenotypic characterization of Balami sheep in Maidugri, North-Eastern Nigeria. Nigerian J. Anim. Sci. vol. 20 (2): 26 - 32


Okon, B. and Asuquo, B. O. (1994). Heritability of Body weight at various ages (8, 10, 12 weeks) in growing rabbits. Proceedings of 19th Annual Conference of the Nigerian Society for Animal Production, Benin City, Nigeria, March 20-24, 1994.


Okon, B., Ogar, I. B. and Mgbere, O. O. (1996). The Interrelationship of Live Body Measurements of Broiler Chickens in a Humid Tropical Environment. Proceedings of 21st Annual Conference of the Nigerian Society for Animal Production, Uyo, Nigeria, March 22nd-27th, 1996.


Okon, B. and Ngere, L. O. (1996). Goat Production in Nigeria: Problems and Strategies for Boasting Production. Book of Abstract. Annual Conference of Nigeria Society for Animal Production, P. 113.


Okon, B. (1997). Variation of Growth Statistics of Broiler Birds Grouped according to their Body Weights. Proceedings of 22nd Annual Conference of the Nigerian Society for Animal Production, Bauchi, Nigeria, March 23rd - 27th, 1997, Pg. 112-114.


Nsa, E. E. and Okon, B. (2006). The Effect of Different levels of Caged Layer Droppings in Rabbit Diets on Intake and Growth Performance. Proceedings of First Annual Conference of International Research and .Development Institute (IRDI). Research and Development Network, Calabar, Nigeria, June 28-29th, 2006 Volume 1, Number 4, Pg. 5-8.


Nsa, E. E., Okereke, C. O. and Okon, B. (2007). Effects of Supplementary Green Feedstuffs on Growth Performance, Internal Organs Development and Abdominal Fat Deposition in Finisher Broilers. Proceedings of 32nd Annual Conference of Nigeria Society for Animal Production, Calabar, March 18th -21st , 2007.


Ibom, L. A., Okon, B. and Essien, A. (2008). Morphemetric Analysis of Eggs laid by two Ecotytypes of Snail (Archachatina marginata (Swainson) Raised in Captivity. Proceedings of 33rd Annual Conference of Nigerian Society for Animal Production, Ayetoro, Ogun State, Nigeria. March 16-20th, 2008. Pg. 28-30.


Ayuk, A. A., B. I. Okon, B. Okon, P. E. Akpan, G. S. L Wogar and M. I. Anya (2009). Performance and Cost Evaluation of Weaner Pigs (Large White and Landrace fed urea treated and untreated cocoa pod Husk diets. Proceedings of 34th Annual Conference of the Nigerian Society for Animal Production, Uyo, Nigeria, March 15th- 19th, 2009. Pg. 300-302.


Okon, B., E. E. Nsa, M. I. Anya, G. D. Edet, E. P. Umoren and L. N. Okoh (2009). The Phylochemistry, Vitamin and Mineral Content of Dasheen (Colocasia esculenta) Leaves. Proceedings of 34th Annual Conference of the Nigerian Society for Animal Production, Uyo, Nigeria, March 15th – 19th, 2009. Pg. 426-428.


Ayuk, A. A., B. I Okon, B. Okon, E. J. Umoh, G. S. I. Wogar and M. I. Anya (2009). The Effect of Urea and Corn Cob Ash Treated Cocoa Pod Husk on some Linear Body Parameters of Growing Pigs. Proceedings of 14th Annual Conference of Animal Science Association of Nigeria. Ogbomoso, Nigeria, September 14-17th, 2009, Pg. 362-365.


Nsa, E. E., Okon, B., Akpan, L A. Anya, M. L, Wogar, G. S. I, Edet, G. D., Okereke, C. O. and Juobi, V. I. (2009). Growth Performance and Economy of Maize Offal as a Replacement for maize in Broiler Finisher Diet. Proceedings of 14th Annual Conference of Animal Science Association, Ogbomoso. Nigeria, September 14-17th, 2009, Pg. 418-420.


Nsa, E. E., Anya, M. I. and Okon, B. (2009). Comparative Evaluation of Five Animal Protein Concentrates in Broiler Finisher Diets. Proceedings of 43rd Annual Conference of Agricultural Society of Nigeria (ASN), Abuja, Nigeria October 20th -23rd, 2009. Pg. 893.


Ibom, L. A. and Okon, B. (2010). Variation in Morphometric Traits of Eggs produced from the cross of two ectotype snails [Archachatina margina (Swainson)] in a Humid Tropical Environment. Proceeding of 35th Annual Conference of Nigerian Society for Animal Production. Ibadan, Nigeria, 14th - 17th March, 2010, Pg. 28-31.


Nsa, E. E., Okon, B., Anya, M. I. and O. E. Essien (2010). Effect of Replacement Levels of wheat offal with Brewer's Dried Grain Broiler Finisher Diet. Proceedings of 35th Annual Conference of Nigerian Society for Animal Production. Ibadan, Nigeria, 14lh- 17th March, 2010, Pg. 398-401.


Anya, M. I., Okon, B., Ayuk, A. A., Nsa, E. E. and Odionyenma (2010). Performance of Weaned Rabbit fed Graded Levels of Fresh Sundried Taro Cocoyam meal (Colocasia esculenta) as a Replacement for maize. Proceeding of 35th Annual Conference of Nigerian Society for Animal Production. Ibadan, Nigeria, 14th – 17th March, 2010. Pg. 253-256.


Ibom, L. A., Okon, B., Adinya, I. B. and A. Essien (2010). Effects of maternal age on the survivability of piglets of crossbred pigs in Calabar, Cross River State of Nigeria. Proceedings of 1st Nigerian International Pig Summit. Ibadan, Nigeria, 22nd - 25th November, 2010. Pg. 125-132.


Ibom, L. A,, Okon, B. and Nweze, B. O. (2011). Egg Production Pattern of Purebred Black-skinned, white-skinned and crossbred snail genotypes Archachatina marginata (S) reared in confinement. Proceedings of 36th Annual Conference of the Nigerian Society for Animal Production (NSAP), Abuja, Nigeria, 13lh -16th March, 2011, Pg. 87-89.


Nsa, E. E., Okon, B., Ozung, P. O., Akpan, 1. A., Anya, M. A., Archlbong, E. E., Edet, G, D. and Umoren, E. P. (2011). Response of rabbits to dietary levels of Tigernut (Cyperus escidenyits). Proceedings of 36th Annual Conference of the Nigerian Society for Animal Production (NSAP), Abuja, Nigeria, 13th – 16th March, 2011, Pg. 290-291.


Ibom, L. A. and Okon, B. (2012). Prospects of Snail for Animal Protein Supply in Nigeria. Proceedings of 1st International Conference on Giant African Land Snails (GALS), Abeokuta, Nigeria 12th - 1 5th February, 2012, Pg. 20-23.


Ibom, L. A. and Okon, B. (2012). Evaluation of Growth and Correlations between Body Weight and Shell Measurements of the Juveniles of two Ectotypes of Snail [Archachatina marginata Var. Saturalis (P)]. Proceedings of 1st International Conference on Giant African Land Snails (GALS), Abeokuta, Nigeria, 12th - 15th February, 2012, Pg. 41-46.


Okon, B. and Ibom, L. A. (2012). Estimates of Heritability and Correlation of Body Weight and Body Parameters of Snails. [Archachatina marginata (Swainson)] in the Humid Tropics. Proceedings of 1st International Conference on Giant African Land Snails (GALS). Abeokuta, Nigeria, 12th - 15th February, 2012, Pg. 56-59.


Ebegbulem, V. N. and Okon, B. (2012). Evaluation of Body Weight and Body Dimensions in Breeder and Grower Rabbits in the Humid Tropical Zone of Nigeria. Proceedings of 37th Annual Conference of the Nigerian Society for Animal Production (NSAP), Makurdi, Nigeria, 18th - 21s1 March, 2012, Pg. 26-28.


Ibom, L. A. and Okon, B. (2012). Variation in the Reproductive Performance of two sub-species of Archachatina marginata Snail in Obubra, Nigeria. Proceedings of 37th Annual Conference of the Nigerian Society for Animal Production (NSAP), Makurdi, Nigeria, 18th- 21st March, 2012, Pg. 217-219.


Okon, B. Ibom, L. A., Ifut, O. J. and Bassey, A. E. (2012). Intraspecies variation in nutritive potentials of eggs from two ectotypes of Giant African land snail (Archachatina marginata var saturalis) in Calabar, Nigeria. Proceedings of 36th Annual Conference of the Genetics Society of Nigeria, Calabar, Nigeria, 15th - 18th, October, 2012, Pg. 83-89.


Okon, B. (2013). Genetic Improvement of Giant African Land Snail (GALS). Proceeding of 2nd International Conference/Workshop on Giant African Land Snails (GALS). NetGALS. Abeokuta, Nigeria 2nd - 5th June, 2013, xii – xxi


Akpe, A. E., Ibom, L. A., Okon, B. and Owoyemi, J. D. (2016). Evaluation of Incubation Period, % Hatchability, % Mortality and % Survivability of three mating Groups of Archachatina marginatasnails.Proceedings of the 5th International Conference/Workshop on Giant African Land Snails (NetGALS), Calabar, Nigeria, 5th – 9th June, 2016. Pg. 160-164.


Dauda, A., Ibom, L. A. and Okon, B. (2017). Protein sequence evaluation of Achatina fulica using an insilico approach. Proceedings of 6th International Conference/Workshop on Giant African Land Snails (NetGALS), Akure, Nigeria, 4th – 7th June, 2017, Pg. 17 – 19.


Ibom, L. A., Okon, B., Okon, F. I. and Adinya, I. B. (2017). Effects of Geneotype on Phenotypic egg traits of Archachatina marginata snails. Proceedings of 6th International Conference/Workshop on Giant African Land Snails (NetGALS), Akure, Nigeria, 4th – 7th June, 2017, Pg. 63 – 66.


Okon, B., Ibom, L. A., Dauda, A. and Etukudo, M. O. (2017). Establishment of A National Snail Breeding Centre for sustainable snail production and genetic improvement in Calabar, Nigeria. Proceedings of 6th International Conference/Workshop on Giant African Land Snails (NetGALS), Akure, Nigeria, 4th – 7th June, 2017, Pg. 107 – 114.


Okon, F. I., Ibom, L. A., Okon, B. and Akpe, A. E. (2017). Evaluation of Growth performance of Archachatina marginata and Achatina achatina with two whorls in Calabar, Nigeria. Proceedings of 6th International Conference/Workshop on Giant African Land Snails (NetGALS), Akure, Nigeria, 4th – 7th June, 2017, Pg. 115 – 119.


Dauda, Y., Okon, B. and Ibom, L. A. (2018). Genetic diversity of Giant African Land Snails (GALS). Proceedings of 6th Nigeria society for conservation biology (NSCB) Biodiversity conference, University of Uyo, Uyo, 6th – 12th May, 2018, Pg. 144 – 147.

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