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Prof Obiekezie

 

 

 

 

PROF. AUSTIN IKECHUKWU OBIEKEZIE

 Director, Institute of Oceanography, University of Calabar, Calabar, Nigeria

 

 

 

Postal Address

    Institute of Oceanography,

    University of Calabar,

    Calabar, Nigeria

 

e-mail:  aobiekezie@yahoo.com;

Telephone.: 08037110855

 

 

Education

§  B.Sc. (Hons) Zoology (1978) University of Nigeria, Nsukka

§  Doctor of Philosophy, Ph.D Marine Pathobiology (1983), University of Calabar, Calabar Nigeria;

§  Post-Doctoral Fellowships/Special Courses 

October, 1981  

 

Tiergesundheitsdienst Bayern (Animal Health Service for Bavaria), Grub bei Muenchen.

Programme:  Fish disease diagnosis,

Health inspection, Drug Administration

 

June-November,1983   

Landesanstalt für Fischerei, Nordrhein-Westfalen (State Fischeries Institute for North-Rhine, Westfalia), Albaum,  Germany.Programme:  Viral and Bacterial Pathology in fish.

 

March-May, 1986

Institut fur Spez. Zoologie und Parasitologie, Ruhr-Universitat, Bochum, Germany.

Programme: Development of appropriate chemo-therapeutics in fish culture.

 

June-September, 1988

Institut fur Meereskunde, Universitat Kiel, Germany.

Programme:  Epidemiology of fish diseases on the North Sea.

 

August-November, 1991

Institut fur Spez. Zoologie undParasitologie, Ruhr-Universitat,Bochum, Germany.

Programme:  Chemotherapy of protozoal fish diseases.

 

October-December,1993

Institut fur Spezielle Zoologie und Parasitologie, Ruhr-Universitaet, Bochum, Germany.

Programme:  Ultrastructure of parasite - fish host interfaces.

 

 

 

Research Interests

§  Aquaculture Production Systems

§  Impacts of Diseases on Aquaculture in Sub-Saharan Africa

§  Epidemiology of fish pathogens and diseases in environments of oil exploration

 

 

  

Graduate Student Supervision

1.      

Etokebe, I.

Myxosporean parasite infections of cultured tilapias:

M.Sc.

2.      

Ekprikpo. W.P.

Blood picture and normal parameters of the catfish, Heterobranchus bidorsalis and Clarias gariepinus                          

M.Sc.  

3.      

Ekpo, C.O.

Parasite and bacterial of hatchery-reared catfish fingerlings in ARAC hatchery

M.Sc.

4.      

Okafor, N.M

Toxicity of commonly used chemothera-peutics on Heterobranchus and their hybrids           

M.Sc.

5.      

Nwosu, F.M.

Impact of environmental factors on growth and survival of H. longifilis Val.,1840 (Teleostei: Clariidae) eggs and larvae  

M.Sc.

6.      

Ogunji, J. 

Larval development of an African catfish H. longifilis Val., 1840 (Teleostei Clariidae) and identification of critical periods   

M.Sc.

7.      

Eshiett, M.U.

Toxicity of 4 locally used disinfectants  on catfish fry, Heterobranchus longifilis and their effects on target bacterial pathogens

M.Sc.

8.      

Ekanem, A.P.

Tolerance of early catfish stages (Clariidae) to Enrofloxacin (Baytril) 

M.Sc.             

9.      

Ella. M. O

Determination of optimal stocking rates of H. bidorsalis for village aquaculture using locally available by-products as feed in semi-intensive and intensive culture systems.

Ph.D.

10.   

Ofor, C.O.

Influence of age and weight on sexual maturity of Heterobranchus bidorsalis    

Ph.D.

11.   

Ndome, C.B

The reciprocal hybrids of C. gariepinus and Heterobranchus bidorsalis: some aspects of their biology relevant to aquaculture  

Ph.D.

12.   

Solomon J.R.:

Cultural characteristics of C. gariepinus  and C.g. and Heterobranchus hybrids under    mono- and poly-culture using extensive and intensive systems of feeding

Ph.D.

13.   

Osuigwe, D.

Evaluation of jackbean (Canavalia ensiformis (L.) DC) seed meal as a substitute for fishmeal in diets for Clarias gariepinus (Burchell 1822).

Ph.D.

14.   

 

Okoro, A.E.     

Investigations on industrial production of Heterobranchus fry and fingerlings with special emphasis on hormone application and feeding problems. 

Ph.D.

15.   

Ekanem, A.P

Utilization of the extracts of some locally available African medicinal plants for the treatment of ectoparasites of cultured fish.

Ph.D.

 

 

 

Grants, Honours and Awards and Distinctions

i)          1973:  Joint Principals' Prize for successful precocious completion of the West African School Certificate Programme in 3 years with Distinction (May, 1970 - June, 1973).

 

ii)         1974-1978:  Federal Government of Nigeria Undergraduate Scholarship Award.

 

iii)         1979-1983:  University of Calabar Postgraduate Scholarship for Course and thesis work leading to Ph.D. in Applied Fish Pathology.

 

iv)        1981-1993: 5 University Exchange Grants from the GKSS Forschungszentrum, Geesthacht, Germany, for research exchange in German Universities. (Pre- and Post-Doctoral)

 

v)         1986: International Foundation for Science (IFS) Grant for research in tropical aquaculture diseases (US$ 10,400). (Purchase of Laboratory equipment, Literature, Travels etc.)

 

vi)        1989:  International Foundation for Science (IFS) renewal grant for research in tropical aquaculture diseases (US$ 9,400). (Purchase of Laboratory equipment, Literature, Travels etc.)

 

vii)       1995:  International Foundation for Science (IFS) second renewal grant for research in tropical aquaculture diseases (US$ 10,500). (Ditto)

 

viii)       1989:  DSE/DAAD Travel Grant for Workshop on "Promotion of Science Education in Developing Countries, Berlin, December, 11-14, 1989.

 

ix)        IFS Travel Grant for Symposium "Aquaculture in Africa", Harare, Zimbabwe, 20-26th January, 1991.

 

x)         IFS Travel Grant for International Scientific Conference on Bacterial Diseases of Fish (A Science in Aquaculture International Conference)  Institute of Aquaculture, University of Stirling, 26th-29th June, 1990.

 

xi)        IFS Travel Grant for International Workshop on Biological Bases for Aquaculture of the Siluriformes (BASIL) Montpellier, France, 24th-29th May, 1994.

 

xii)       IFS Travel Grant for Inaugural Congress of the Fisheries Society of Africa (FISA '95), Nairobi, Kenya, July 25th -1st August, 1995.

 

xiii)       Centre Technique Agricole (CTA) Conference Grant to attend the European Aquaculture Society (EAS) '95 Conference/Aquanor '95 Exhibition, 9-12 August, Trondheim, Norway

 

xiv)      Invitation and Sponsorship by the European Union (Fisheries Dev. Division) to participate in articulation of Research Objectives in Fisheries and Aquaculture (Fisheries Research initiatives) for West & Central Africa, Dakar, Senegal, (1996)

 

(xv)      2001 IFS/DANIDA (Danish Int. Dev. Agency) Award for excellence in research in aquatic living resources in Africa. (Value of Award = US$2,000)

 

 

 Courses Taught

 

 Professional Affiliations

§  Member Fisheries Society of Nigeria (FSON

§  Member, Nigerian Environmental Society (NES)

§  Member, Net work ….

§  Fisheries Society for Africa (FISA)                                    -           Member

§  Network of African Fish Pathologists (NAFP)                  -           Convener

 

 

Conferences attended

1.         IV International Congress on Parasitology (IOCPA IV), Toronto, Canada, 7th - 14th August, 1982.  Paper presented: Parasites of commercially exploited fishes of the Nigerian east coast.

 

2          Ist International Symposium on Ichthyoparasitology, Ceske Budejovice, Czechoslovakia, 8-13th August, 1983.  Paper presented:  Henneguya chrysichthyi: A pathogenic gill parasite of the African       estuarine catfish, Chrysichthys nigrodigitatus (Lacepede).

 

3.         Promotion of Science Education in Agricultural, Forestry, Environmental and veterinary Faculties in Developing Countries.  German Foundation for International Development (DSE), Berlin, 23rd November - 1st December, 1989. Paper presented:  Status of Aquaculture research in South East Nigeria.

 

4          International Scientific Conference on Bacterial Diseases of Fish.  (A Science in Aquaculture International Conference) Institute of Aquaculture, University of Stirling, 26th - 29th June, 1990. Paper presented:  Pathogen problems in the larger scale production of fingerlings for aquaculture in Nigeria.

 

5.         International Foundation for Science (IFS) Symposium "Aquaculture in Africa", Harare, Zimbabwe, 20th-26th January, 1991.  Paper presented:  The principal pathogens and diseases of cultivated fishes in Nigeria.

 

6.         International Workshop on the Biological Bases for Aquaculture of the Siluriformes (BASIL).  Montpellier, France, 24th-29th May, 1994.  Paper presented:  Experimental evaluation of the pathogenicity of Trichodina maritinkae to fry of cultured African clariid catfishes.

 

7.         Inaugural Congress of the Fisheries Society for Africa (FISA '95), Nairobi, Kenya, 31 July - 5th August, 1995.  Paper presented:  Chemotherapy regimens for diseases management during the nursery phase of African catfishes (Clariidae)

 

8.         European Aquaculture Society Conference '95/Aquanor Exhibition, Trondheim, Norway, 9 - 15 August, 1995.  Paper presented: Off-flavour in culturable Sciaenidae infected with Kudoa (Myxosporea) spores.

 

9.         Workshop on ACP-EU Fisheries Research Initiative, Dakar, Senegal,  February, 1996

            Paper to be presented:  Sustainability of Aquaculture in sub-Saharan Africa

 

10.         Fisheries Society  for Africa Conference 1998, Grahamstown South Africa

 

 

 

Consultancy Services Rendered

1.      

1991. Environmental Baseline Study for the Elelenwo dump site.

SPDC

Faunistic Studies.

2.      

1992. Post-Impact Study of the Trans-Niger Pipeline (TNP)

SPDC

Hydrobiology /Fisheries

3.      

1992. Environmental Impact Assessment (EIA) for the Cawthorne Channel III Drill Slot.

SPDC

Fisheries Damage Assessment.

4.      

1993. Environmental Audit of the Bonny Oil Terminal.

SPDC

Hydrobiology /Fisheries

5.      

1996. Ecotoxicity Testing of SPDC Chemicals I

SPDC

Study coordination, Report compilation

6.      

1997. Ecotoxicity Testing of SPDC Chemicals II

SPDC

Study coordination, Report compilation

7.      

1995. Environmental Audit of the Agbada II Flow Station in Rives State for SPDC. 

SPDC

Hydrobiology /Fisheries.

8.      

2003 Health Impact Assessment (HIA) for the Opobo Field/ Utapate Facilities Dev. Project

SPDC

Field work coordination/ Report compilation

9.      

2004 Health Impact Assessment HIA for the Medical Incinerator in SPDC IA.

SPDC

Field work coordination/ Report compilation

10.   

2004. Environmental Impact Assessment for the Obigbo-North  Further Fields and Facilities Upgrades Project

SPDC

Biophysicals

11.   

2005. Desktop Environmental Impact Assessment (EIA) for the Okordia-Rumuekpe Pipeline Replacement Project

SPDC

Biophysicals Consultant

12.   

2005. Desktop Environmental Impact Assessment (EIA) for the Oghara/Iseni Appraisal Well Project

SPDC

Biophysicals Consultant

13.   

Environmental Impact Assessment for the Afam-Rumuji LPG Evacuation Line

SPDC

Hydrobiology /Fisheries

14.   

Cumulative Environmental Impact Assessment for the Gbaran Ubie Integrated Oil and Gas Project

SPDC

Facilitator/Team Leader

15.   

Cumulative  Environmental Assessment for the H-Block Field Development Project

SPDC

Facilitator/Team Leader

16.   

1987. Basic ecological studies on the mangrove swamp forest of the Cross River State for Mobil Producing Nigeria Unltd.

ExxonMobil

Fisheries Activity studies, Field work co-ordination.

17.   

1990. Oso-Field Condensate Production, gas-gathering and Re-injection project: Environmental Impact Study (EIA).

ExxonMobil

Fisheries Activity studies, Field work co-ordination.

18.   

1991. Environmental Impact Assessment (EIA) of proposed sand dredging of the Ibeno bar for Mobil Producing Nigeria Unltd.

ExxonMobil

Fisheries impact assessment

19.   

1992. Post-Impact Study of the "Mystery-Oil Spill" In Akata and Ntafre villages in the Mobil Producing Nigeria Operational area in Akwa Ibom State. 

 

ExxonMobil

Fisheries Damage Assessment, Report Compilation, Fieldwork Co-ordination.

20.   

1997. Environmental Audit of 11 Oil Handling Facilities

NAOC

Waste inventory

21.   

1997. Inventory of oil damaged locations

NAOC

Waste inventory

22.   

1997.  Environmental Audit of the Upomami Flow Station and Batan Metering Plant

ELF

Waste inventory

23.   

Environmental Impact Assessment for the Benue Trough Appraisal Well at Gombe

ELF

Hydrobiology/ Fisheries

24.   

EIA for the Stubbs Creeks Field Facilities Development Project

UERL/SIPEC Uyo

Project coordinator / Hydrobiology

National Government Agencies

25.   

1992. Recommendations for the development of rural-level aquaculture in the Mbe Mountain Cell of the Rain Forest National Park, Boshi-Okwangwo Division

Cross River National Park

Sole Consultant

26.   

Environmental Audit of the Sapele Thermal Power Station at Ogorode

NEPA

Team Leader

27.   

2003. Environmental Impact Assessment for the proposed Iko-Atabrikang-Akata-Opolom-Ikot Enwang-Okoroutip-Iwuoachang Road

NDDC

Field work coordinator

Report preparation

28.   

2004. Environmental Impact Assessment for the Dualization of the Calabar-Itu-Ikot Ekpene Highway

NDDC

Field work coordinator

Report preparation

29.   

2004. Niger Delta Development Masterplan – Biodiversity/Natural Resources Sector Study

NDDC

Study Coordinator /Editor

30.   

Niger Delta Environmental and Social Study: Strategic Environmental Impact Assessment 

ADB

Biological Environment

(Section Lead)

31.   

2004- Date. Chairman/Panel Review member for several EA Panel Review Committees

FMENV

 

32.    

2005.  Action Plan for Constitution of the Mangrove Forest Reserve in Cross River State

NCF

Coordinator

33.    

2006. Environmental Impact Assessment for the proposed 150 km Afam-Ikot Ekpene 330KV DC Transmission Line

PHCN

Team Leader

34.    

2006. Niger Delta Environmental and Social Management Action Plan Study (ND - ESMAP)

NDDC/ADB

Natural Resources Assessment /

Env. Degradation

International / Bilateral Agencies

35.   

1994. Settlement Survey for fishing communities in Akwa Ibom, Cross River and Rivers States: A baseline study for Artisanal Fisheries Development Project

IFAD

 

Co-Consultant.

36.   

1997. Assessment of the Application and Benefits of the Chorkor Smoker in Fishing Communities of the Niger Delta area.

IFAD

Sole Consultant

37.    

2006. Niger Delta Natural Resources Damage Assessment Study

IUCN/NCF

Member

38.   

1990. Feasibility study for the development of pond fish culture in the Boshi-Okwangwo sector of the Rain Forest National Park.

WWF-UK

Co-Consultant: Taege & Obiekezie.

39.   

1989. Feasibility study for the development of pond fish culture in the Support Zone of the Oban Rain Forest National Park.

WWF-UK

Co-Consultant: Taege & Obiekezie.

40.   

1991. Fisheries project identification in the Kainji Lake Area of Nigeria for the German Agency for Technical Cooperation.

GTZ

Co-consultant to COFAD GmbH.

41.   

1991. Mangrove Conservation project identification Mission for the German Agency for Technical Cooperation, GTZ.

GTZ

Resource Person

42.   

1999-200. Sustainable Fisheries Livelihood for Fishing Communities of the West African Coast.

DFID

Resource Person

 

 Publications

 

A.        Monographs

1.         Obiekezie, A.I. (1983). Studies on the parasitic infections of commercially exploited fishes of the Nigerian inshore waters. Unpubl Ph.D Thesis, University of Calabar, 369 pp.

 

2.         Obiekezie, A. I. (1997): The Chorkor Smoker in Southeast Nigeria:  IFAD Programme Publication 53 pp

 

 

 

B.        Journal Articles

3          Okon, E.D. & Obiekezie, A.I(1980): A survey of blood parasites of trade cattle in Calabar, Cross River State.  Nig. J. Parasitol., 1(1):  116-119.

 

4          Okon, E.D. & Obiekezie, A.I. (1990): Parasites of cattle in Obudu Cattle Ranch. Nig. Vet. Journal, 10(2): 1-5.

 

5          Obiekezie, A.I. (1986): Haematozoa of the tongue sole, Cynoglossus senegalensis  (Kaup, 1858) (Teleostei, Cynoglossidae) from the West  African Coast. Rev. Zool. afr., 99:225-261.

 

6          Obiekezie, A.I., Okaeme, A.N., Lehman, J., & Antai, E.E. (1985): Infections and diseases of cultured fish in Kainji Lake Research Institute.  KLRI Ann. Rep. 1985: 91-95

 

7.         Okaeme, A.N.; Obiekezie, A.I. & Ogbendeminu. F.S (1986): Economic impact of disease and parasite problems in freshwater fish production.  FISON PROCEEDINGS (86): 368-376.

 

8.         Obiekezie, A.I. (1986): Goussia ethmalotis n. sp. (Apicomplexa: Sporozoea), a coccidian parasite of the West African shad, Ethmalosa fimbriata Bowdich, 1825 (Pisces: Clupeidae).  Zeitschrift f. Parasitenkd. - Parasitology Research, 72: 827-829.

 

9          Obiekezie, A.I. (1987): Philometra (Ranjhinema) beninensis sp. nov. (Nematoda: Philometridae) from the giant African threadfin, Polydactylus quadrifiliis Cuvier, 1829 (Teleostei: Polynemidae), Rev. Zool. afr. 100: 357-361.

 

10        Obiekezie, A.I. (1987): Protomicrocotyle ivoriensis Wahl, 1972 and Micrococtyle oronensis sp. nov., Polyopisthocotylean parasites of fish in the Cross River Estuary, Nigeria.  Zool. Anz. 1/2  218: 75-81.

 

11        Obiekezie, A.I.; Möller, H.; & Anders, K. (1987): Kudoa sp. infection in the musculature of wild tongue sole, Cynoglossus senegalensis (Kaup, 1858) from the coast of West Africa.  Bull Eur. Ass. Fish Pathol., 7: 38-41.

 

12        Obiekezie, A.I. & Okaeme, A.N. (1987): Myxobilatus accessobranchialis n.sp. (Protozoa: Myxozoa) from the accessory breathing organs of cultured Heterobranchus bidorsalis Saint-Hilaire, 1809.  Arch. Protistenkd., 134: 409-414.

 

13        Obiekezie, A.I. & Enyenihi, U.K. (1988): Henneguya chrysichthyi sp. nov. (Protozoa: Myxozoa) from the gills of the estuarine catfish, Chrysichthys nigrodigitatus (Lacepede) in the Cross River Estuary, Nigeria.  J. Afr. Zool., 102: 33-42.

 

14        Obiekezie, A.I.; Möller, H. & Anders, K. (1988): Diseases of the African estuarine catfish, Chrysichthys nigrodigitatus (Lacepede) from the Cross River Estuary, Nigeria. Journal of Fish Biology, 32: 207-221.

 

15        Obiekezie, A. I.  (1988): Some species of Diplectanum Diesing, 1858 (Monogenea: Monopisthocotylea), parasites of sciaenid fishes from the Nigerian coast.  Journal of African Zoology, 102: 133-141

 

16        Okaeme, A.N.; Obiekezie, A.I.; Lehman, J.; Antai, E.E.E & Madu, C.T. (1988).

            Parasites and diseases of cultured fish of the Kainji Lake Area, Nigeria.  Journal of Fish Biology, 32: 479-481.

            32: 

 

17        Enyenihi, U.K., Adeyemi-Wilson, O.A., Obiekezie, A.I. (1989): Ecological parameters of the mangrove swamp forest of the Cross River State - Baseline Study.  Proceedings of the IV International Conference on the Petroleum Industry and the Nigerian Environment, Owerri, August, 1987. 228-239.

 

18        Okaeme, A.N.; Obiekezie, A.I.; Okojie, P. & Agbontale, J. (1989).  Histopathology of normal and infected organs of tilapia by Myxobolus ovariae.  NIFFR Ann Rep. [1989]: 37-40.

 

19        Taege, M. & Obiekezie, A.I. (1989): Aquaculture development in the Support Zone of the proposed Oban National Park. A World Wide Fund for Nature (WWF) Publication. 58p.

 

20        Obiekezie, A.I. & Taege, M. (1990): Recommendations on aquaculture development in the Okwangwo Division of the Cross River National Park.  A World Wide Fund for Nature Publication.  43 p.

 

21        0biekezie, A.I. & Okaeme, A.N. (1990): Myxosporea (Protozoa) infections of cultured tilapias in Nigeria.  J. Afr. Zool., 104: 77-91.

 

22        Obiekezie, A.I. (1990): Pathogen problems in the large-scale production of fish seed for aquaculture in Nigeria  (abstr.).  Int. Scientific Conf. on Bacterial Fish Diseases.  Inst. of Aquaculture, Univ. of Stirling, 26-29 June, 1990

 

23        Obiekezie, A.I. & Taege, M. (1991): Mortalities in hatchery-reared fry of the African catfish, Clarias gariepinus (Burchell) caused by Gyrodactylus groschafti Ergens, 1973.  Bull. Eur. Assoc. Fish Pathol., 11(2): 82-85.

 

24        Schmahl, G. & Obiekezie, A.I. (1991): Fine structure of spermatogenesis in polyopisthocotylid monogeneans (Protomicrocotyle ivoriensis, Gastrocotyle sp.).  Parasitology Research, 77: 115-122.

 

25        Obiekezie, A.I. & Anders, K. (1991): Scanning electron microscope studies on Philometra (Ranjhinema) beninensis Obiekezie, 1986. Folia Parasitologica, 38(4): 371-375.

 

26        Obiekezie, A.I. (1991): The principal pathogens and diseases of cultured fishes in Nigeria (Abstr.).  Joint IFS/NRC Workshop "Aquaculture in Africa" Harare, Zimbabwe, 23-27 January, 1991.

 

27        Obiekezie, A.I., Lick, R., Kerstan, S. & Moller, H. (1992): Larval nematodes in stomach wall granulomas of smelt, Osmerus eperlanus (L) from the German North Sea Coast.  Dis. Aquat. Org., 12: 177-183.

 

28        Obiekezie, A.I., Anders, K., Lick, R., Moller, H., & Palm, H. (1992).  External lesions and flesh parasites of commercial fishes of Nigerian inshore waters.  Aquatic Living Resources 5: 173-183.

 

29        Okaeme, A.N. & Obiekezie, A.I. (1992): Some emergent disease and management problems of Oreochromis niloticus, Sarotherodon galilaeus and Clarias sp. culture in Nigeria.  Bioscience Research Communications 2(2): 153-162.

 

30        Obiekezie, A.I. & Schmahl, G. (1993): Henneguya laterocapsulata Landsberg, 1987

            (Myxosporea: Myxozoa) in cultured hybrid African catfish: Ultrastructure of parasite-host interface. Eur. J. Protistol., 29: 42-45.

 

31        Schmahl. G., Obiekezie, A.I. & Raether, W. (1993): Treatment of fish parasites: 11. Morphogenesis of Henneguya laterocapsulata Landsberg, 1987 (Myxosporea, Myxozoa), and the effects of a new triazine derivative, HOE 092 V, on its developmental stages: A light and electron microscope study. Parasitology Research, 79: 667-674.

 

32        Obiekezie, A.I. & Schmahl, G. (1993).  Myxosporean pathogens of early catfish stages: Ultrastructural aspects. 6th Annual Conference of the European Ass. Fish Pathol., Brest, France.

 

33        Obiekezie, A.I. & Ajah, P.O. (1994): Chemotherapy of macrogyrodactylosis in the culture of the African clariid catfishes (Clarias gariepinus and Heterobranchus sp.)

            J. Aqua. Trop., 9: 187-192.

 

34        Obiekezie, A.I. & Ekanem, D.A. (1994) : Experimental evaluation of the pathogenicity of Trichodina maritinkae (Ciliophora: Peritrichida) to fry of Heterobranchus longifilis.  International Workshop on the Biology and Aquaculture of the Siluriformes (BASIL). 24th-29th  June, 1994,  Montpellier, France.

 

35        Obiekezie, A.I. & Lick, R. (1994) : A new species of Kudoa Meglitsch (Myxosporea: Multivalvulida) from the West African tongue sole, Cynoglossus senegalensis (Kaup) (Teleostei: Cynoglossidae).  Arch. Protistenkd. 144: 201-205.

 

36        Palm, H., Obiekezie, A.I. & Moller, H. (1994): Trypanorhynchid cestodes of commercial inshore fishes of the West African coast.  Aquatic Living Resources, 7:153-164.

 

37        Obiekezie, A.I. & Okafor, N. (1995): Toxicity of 4 commonly used chemotherapeutic compounds to fry of the African catfish, Clarias gariepinus (Burchell). Aquaculture Research, 26: 441-446

 

38        Obiekezie, A.I. & Ekanem, D.A. (1995). Experimental infection of Heterobranchus longifilis with Trichodina maritinkae (Ciliophora: Peritrichida).  Aquatic Living Resources, 8(3): 

 

39        Obiekezie, A.I. & Holzlohner, S. (1995).  Off-flavours in culturable Sciaenidae infected with Kudoa (Myxosporea) spores. (Ext. Abstr.) European Aquaculture Society Conference, Trondheim, Norway, 9-15 August, 1995

 

40        Obiekezie, A.I. (1995): Chemotherapy regimens for diseases management in the nursery phase of African catfishes (Clariidae) (Ext. Abstr.) First African Fisheries Congress (FISA '95), July 31-August, 5, Nairobi, Kenya

 

 

41           Ekanem, A.P. A. Obiekezie, W,. Kloas And K. Knoff (2004): Effects of crude extracts of Mucina pruriens (Fabaceae) and Carica papaya (Caricacae) against the protozoon fish parasite, Ichtyophthirius multifiliis.  Parasitology Research 92: 361-366

 

42           Ekanem, A.P, M. Wang, J.E Simon, A.I Obiekeze, & F. Morah (2004): In vivo and in vitro activities of the seed extract of Piper guineensis Schum. and Thonn against skin and gill monogenean parasites of goldfish, (Carassius auraturs auratus). Phytotherapy Research 18. 793-797.

 

43           Osuigwe, D.I. and Obiekezie, A.I. (2004). Changes in the haematological parameters of juvenile Claries gariepinus (Burchell, 1822), fed different dietary levels of raw and boiled jackbean (Canavalia ensiformis (L.) seed meal.  Nigerian Veterinary Journal (In Press).

 

44           Osuigwe, D.I. and Obiekezie, A.I. (2003).  Effects of jackbean (Canavalia ensiformis (L.) DC) seed meal containing diets on the intestinal mucosa of juvenile Heterobranchus longifilis (Valenciennes 1840).  In: Agriculture, the Bedrock of Enduring Democracy.  37th Annual Conference of the Agricultural Society of Nigeria, University of Calabar, Nigeria (In Press).

 

45           Osuigwe, D.I.; Obiekezie, A.I. and Ogunji, J.O. (2003). Haematological effects of using jackbean (Canavalia ensiformis (L.) DC) seed meal as alternative protein source for Clarias gariepinus (Burchell 1822). In: Technological and Institutional Innovations for Sustainable Rural Development. Deutscher Tropentag, October 8-10, 2003, Gottingen. (www.tropentag.de/proceedings/html/node 162).

 

46           Osuigwe, D.I., Obiekezie, A.I. and Ogunji, J.O. (2002).  Preliminary evaluation of jackbean (Canavalia ensiformis (L.) DC) seed meal as a substitute for fishmeal in diets for Clarias gariepinus (Burchell 1822).  In: Challenges to Organic Farming and Sustainable Land Use in the Tropics and Subtropics. Duetscher Tropentage, October 9–11, 2002 in Kassel–WitzenHausen.(mars.wiz.uni-Kassel.de/tropentag/proceedings /2002/html/  node 72).

 

 

 

 

Prof. A.I. Obiekezie

Director IOC

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