Dr. Nazael Amos Madalla

BIOGRAPHY:

Nazael Amos Madalla holds a PhD (Aquaculture Nutrition) from University of Stirling in United Kingdom, M.Sc. (Aquaculture) from Ghent University, Belgium and B.Sc. (Animal Science) from Sokoine University of Agriculture (SUA), Tanzania. He began his professional carrier in 2003 as a member of academic staff responsible for teaching, research and outreach on various aspects of aquaculture. He rose to the rank of Senior Lecturer and served as Head of Department of Animal, Aquaculture and Range Sciences from 2013 to 2018. The Department hosts several degree programs including B.Sc. Aquaculture and MSc Aquaculture. During that period, he supervised 61 students, wrote 40 publications, participated in 10 research projects and undertook 16 consultancy assignments. In November 2018 he was appointed to serve as Director of Aquaculture in the Ministry of Livestock and Fisheries. He is now responsible to oversee promotion, development and management of aquaculture industry in Tanzania.

ACADEMIC AND PROFESSIONAL QUALIFICATIONS

Academic/Educational Background (specify education level, where and when obtained)

  1. PhD (Aquaculture Nutrition), University of Stirling, UK, 2004 – 2008.
  2. MSc. (Aquaculture), Ghent University, Belgium, 1999 – 2001.
  3. BSc. (Animal Science), Sokoine University of Agriculture, Tanzania 1994 – 1998.
  4. Advanced Certificate of Secondary Education Examination (ACSEE), Pugu Secondary School, Dar – es – Salaam, Tanzania, 1991 – 1993.
  5. Certificate of Secondary Education Examination (CSEE), Morogoro Secondary School, Tanzania, 1987 – 1990.
  6. Primary School Leaving Certificate, Mbuyuni Primary School, Tanzania, 1980 – 1986

 RESEARCH

  1. Research Interests / Areas: Aquaculture Nutrition, Aquaculture Production Systems, Aquaculture Reproduction and Aquaculture Policy
  2. Funded Research Projects
  1. Promotion of Integrated Aquaculture with Agriculture for Improved Livelihoods of Rural Communities funded by Norwegian Government through FOCAL 2003 – 2011. Research Team Member
  2. Development of Tilapia and Catfish Feeds for Sustainable Aquaculture Development in Tanzania funded by Government of Tanzania through COSTECH from 2011- to date. Principal Investigator
  3. Improving the Productivity of Nile tilapia through Selective Breeding and Mass Production of Fingerlings funded by Norwegian Government through EPINAV program 2011- to date. Research Team Member
  4. Development of Appropriate Hatchery Technology for African Catfish in Tanzania funded by Government of Tanzania through COSTECH 2011- to date. Research Team Member
  5. Enhancing the Profitability of Small Aquaculture Operations in Ghana, Kenya, and Tanzania funded by USAID through Aquafish CRSP 2011 – to date. Research Team Member
  6. Impact of Climate Change on Mangrove Ecosystems and Associated Fishery Resources along the Tanzanian Coast funded by Norwegian Government through CCIAM Programme 2010 – 2014. Research Team Member
  7. Aquaculture Production and Human Health, Nutrition, and Food Supply in Ghana and Tanzania funded by USAID through Aquafish Innovation Lab 2013 – 2016. Research Team Member
  8. Development of alternative sustainable fish feeds to promote human health using novel non-conventional indigenous ingredients funded jointly by BBSRC, ESRC and DFID through Newton fund 2016-2019. Principal Investigator
  9. Mapping for Conservation of Native Tilapia Resources in East Africa thorugh JRS Biodiversity Foundation Grant 2017 – 2020. Principal Investigator
  10. Effect of novel aquafeed (Novacq) ingredient in reducing fishmeal content in Nile tilapia diets funded by Blue Economy Challenge Project under WorldFish January – July 2018

TEACHING

  1. List of courses
  1. AQ 101 Biology of Aquatic Organisms
  2. AQ 201 Aquaculture Reproduction and Propagation
  3. AQ 205 Nutrition of Aquatic Organisms
  4. AQ 207 Aquaculture Production Systems

 

  1. Students Supervision

        Masters Supervision

  1. Aron, J. B. (2009) Comparison of Growth Perfromance and Profitability of Tilapia in Monoculture and Polyculture with Catfish at Mkuyuni ward and Magadu Farm
  2. Massele, Mathayo Francis (2010) Adaptation Strategies of Small-Scale Fisheries to Climate Variability and Change: A Case of Lake Victoria in Mwanza City
  3. Shigulu, H, J. (2010). Effect of Substituting Sunflower Seedcake and Soybean with Moringa Leaf Meal as Protein Supplement on Growth Perfomance of Oreochromis niloticus.
  4. Kitojo, O. D. (2011). Evaluation of Feeding Strategies for Oreochromis niloticus
  5. Bazil J. (2014) Evaluation of Plant and Animal Products/By Products as Alternative Protein Sources to Fish Meal in Tilapia Diets
  6. Ally, T. (2015) Evaluation of Invertebrates as Protein Source in Nile Tilapia (Oreochromis niloticus) Diets
  7. Mosha, S. S. (2015) Effect of Organic and Inorganic Fertilizers on Natural Food Composition and Subsequent Performance of African Catfish (Clarias gariepinus) Fry Produced under Artificial Propagation
  8. Shabani, A. (2016) Value Chain Analysis Of Farmed Nile Tilapia In Selected Areas, Tanzania
  9. Balindile, B. W. (2016) Dietary Effects of Cotton Seed Meal, Soybean Meal and Sunflower Seed Meal on The Growth Performance and Feed Utilization of Nile Tilapia Oreochromis niloticus L. Raised in Concrete Tanks
  10. Lobina, Anitha Ashery (2017) Enhancing Omega 3 Fatty Acids Content in Farmed Nile Tilapia, (Oreochromis Niloticus) Using Housefly Maggots, (Musca domestica) Cultured on Aquatic Macrophytes
  11. Hezron, Lugano (2017) Development Of Practical Nile Tilapia Diets Based on Moringa Leaf And Maggot Meals as Main Sources of Protein
  12. Mmbaga, Rehema (2017) The Effectiveness of Aquatic Macrophytes as Source of Omega-3 (n-3 LC-PUFA) in Nile Tilapia (Oreochromis niloticus)

 

       PhD Supervision

  1. Yona, G. (2012 – 2017) Effect of Climate change and Variability on Mangrove dependent Fish along the Tanzanian Coast
  2. Kapinga I. (2014 – to date) Viability of Aspilia africana extracts in controlling prolific breeding in farmed Nile tilapia (Oreochromis niloticus Linnaeus, 1758)

 

PUBLICATIONS

  1. Books
    1. Katule A.M., B. V. Mnembuka, N. Madalla, H. Lamtane & R. Mnubi (2010). Ufugaji Mseto wa Samaki. Kimehaririwa na Kurwijila, L.R., E. K. Batamuzi & D. M. Gimbi. Kimetolewa na Programmu ya PANTIL, SUA. ISBN 978 9987 6409 42
    2. Mosha, S., Kang’ombe J. & Madalla, N. (2017) Fertilizers on Food Composition and Catfish Fry Performance. Lambert Academic Publishers. ISBN 978-3-330-06825-4
    3. Lamtane, H.A., Shoko, A.P., Madalla, N.A., Limbu, S.M., Ulotu, E.R., Lugomela, C.V., Nyomora, A.M.S., Kitula, R., Mmochi, A. J., Onyango, P.O., Bwathondi, P.O.J. na Ngoile, M. 2017. Mwongozo wa mseto wa ufugaji samaki, kuku na kilimo cha mboga mboga. Printed by Printkarjamer LTD, Dar es Salaam, Tanzania. 67 pp. ISBN: 978-9976-5099-0- 8.
  1. Journal Articles
    1. Sarwatt, S. V., Milang’ha, M. S., Lekule, F. P. & Madalla, N. (2004). Moringa oleifera and cottonseed cake as supplements for smallholder dairy cows fed Napier grass Livestock Research for Rural Development, Volume 16, Number 6, June 2004
    2. Mutayoba, S. K., N. Madalla & A. D. Maeda – Machangu. (2005). Effect of Different Management Practices on Incidences of Coccidiosis and Performance of Broiler Chicken. Tanzania Veterinary Journal (In Press)
    3. Agbo N. W., Madalla N. and Jauncey K. (2009) The biochemical composition of some Ghanaian oilseed by-products and their digestibility by Nile tilapia, Oreochromis niloticus L. Journal of the Ghana Science Association (in press)
    4. Madalla N., Agbo, N.W. and Jauncey K. (2010) Evaluation of Aqueous Extracted Moringa Leaf Meal as A Protein Source for Nile Tilapia Juveniles. Tanzania Journal of Agricultural Sciences, Volume 10, Number 2, 40-49. 
    5. Madalla, N., Wille, M. & Sorgeloos, P. (2010) Effects of dietary nucleotides on growth rate and disease resistance of crustaceans using axenic Artemia culture tests. Tanzania Journal of Agricultural Sciences, Volume 10, Number 2, 32-39. 
    6. Agbo, N.W., Madalla, N. & Jauncey, K. (2011) Effects of dietary cottonseed meal protein levels on growth and feed utilization of Nile tilapia, Oreochromis niloticus L. Journal of Applied Sciences and Environmental Management 15 (2) 235 – 239 
    7. Agbo, N.W., Madalla, N. & Jauncey, K. (2014) Dietary Crystalline DL-Methionine Supplementation of Oilseed Meal-Based Diets: Effects on Growth and Feed Utilization of Juvenile Nile Tilapia (Oreochromis niloticus L.), (Oreochromis niloticus L.). American Journal of Experimental Agriculture 4 (11) 1385 – 1396 
    8. Chenyambuga S W, Mwandya A, Lamtane H A & Madalla N A (2014) Productivity and marketing of Nile tilapia (Oreochromis niloticus) cultured in ponds of small-scale farmers in Mvomero and Mbarali districts, Tanzania. Livestock Research for Rural Development. Volume 26, Article #43. Retrieved March 13, 2014, from http://www.lrrd.org/lrrd26/3/chen26043.htm 
    9. Ndau, L. J. & Madalla, N.A. (2015) Effects of Soaked Pigeon Peas on the Growth of Nile Tilapia (Oreochromis niloticus L.) Fingerlings. Journal of Fisheries and Livestock Production 3:125. doi: 10.4172/2332-2608.1000125
    10. Agbo, N.W., Madalla, N. & Jauncey, K. (2015) Mixtures of Oilseed Meals as Dietary Protein Sources in Diets of Juvenile Nile Tilapia (Oreochromis niloticus L.). Journal of Science and Technology, Vol. 35, No. 3 (2015), pp11-24 http://dx.doi.org/10.4314/just.v35i3.2 
    11. Mbiru, M., Limbu, S. M., Chenyambuga, S.W., Lamtane, H. A., Tamatamah, R., Madalla, N. A., Mwandya, A. W. (2016) Comparative performance of mixed-sex and hormonal-sex-reversed Nile tilapia Oreochromis niloticus and hybrids (Oreochromis niloticus × Oreochromis urolepis hornorum) cultured in concrete tanks. Aquaculture International 24:557–566 DOI 10.1007/s10499-015-9946-z
    12. Yona G, Madalla N, Mwandya A, Ishimatsu A, Bwathondi P. (2016) Effects of Elevated Carbon Dioxide and Temperature on Survival and Morphology of Japanese whiting Sillago japonica. International Journal of Fisheries and Aquatic Studies 2016; 4(1): 48-55
    13. Madalla N., Agbo, N.W. and Jauncey K. (2016) Evaluation of Ground – Sundried Cassava Leaf Meal as Protein Source for Nile Tilapia Juveniles. Accepted by Tanzania Journal of Agricultural Sciences Vol. 15 (1) 1-12
    14. Mosha, S. S, Kang’ombe, J, Jere, W. &  Madalla, N. (2017) Effect of organic and inorganic fertilisers on natural food composition and performance of African catfish fry produced under artificial propagation. African Journal of Rural Development, Vol. 2 (1): 2017: pp.11-20
    15. Kapinga, I. B., Limbu, S. M., Madalla, N. A., Kimaro, W. H. and Tamatamah, R. (2018) Aspilia mossambicensis and Azadirachta indica medicinal leaf powders modulate physiological parameters of Nile tilapia (Oreochromis niloticus). International Journal of Veterinary Science and Medicine Vol 6 (1) 31 – 38
    16. Kapinga, IB, Limbu, SM, Madalla, NA, et al. Dietary Aspilia mossambicensis and Azadirachta indica supplementation alter gonadal characteristics and histology of juvenile Nile tilapia (Oreochromis niloticus). Aquaculture Research. 2019; 50: 573– 580. https://doi.org/10.1111/are.13931
    17. Hezron L, Madalla N and Chenyambuga S W 2019: Mass production of maggots for fish feed using naturally occurring adult houseflies (Musca domestica). Livestock Research for Rural Development. Volume 31, Article #57. Retrieved September 25, 2019, from http://www.lrrd.org/lrrd31/4/lhlut31057.html
    18. Hezron L, Madalla N and Chenyambuga S W 2019: Alternate daily ration as a feeding strategy for optimum growth, nutrient utilization and reducing feed cost in Nile tilapia production. Livestock Research for Rural Development. Volume 31, Article #113. Retrieved September 25, 2019, from http://www.lrrd.org/lrrd31/7/lhlut31113.html
    19. Chenyambuga, Sebastian W. and Munubi, Renalda S. and Madalla, Nazael A. and Quagrainie, Kwamena and Frimpong, Emmanuel and Egna, Hillary, Effects of Fertilization and Concentrate Feeding on Water Quality and Growth Performance of Nile Tilapia (Oreochromis niloticus) Grown in Concrete Tanks (October 05, 2020). African Journal of Biological Sciences, Vol. 2, No. 4, October 2020, pp. 65-72., Available at SSRN: https://ssrn.com/abstract=3709168
  1. Book Chapters
  1. Abdallah, J.M., Woiso, D.A., Katani, J.Z., Augustino S.N. and Madalla N.A., 2017. PFM and Climate Change: The Synergy. In: FTI (2017). Forestry and Climate: Practices for the Technical Level Foresters. Eds: J.M. Abdallah, J. Z. Katani, A. N. Suzana and D. A. Woiso. Forestry Training Institute (FTI) – Olmotonyi, Arusha Tanzania

 

  1. Conference/Workshops/Seminar Papers
    1. S.K. Mutayoba, N. Madalla & A. D. Maeda – Machangu (2000). Effect of Different Management Practices on Incidences of Coccidiosis and Performance of Broiler Chicken. Proceedings of 3rd All Africa Conference of The Egyptian Society of Animal Production, Alexandria, Egypt, 6th – 9th November 2000 pp 431 – 435
    2. B. Mnembuka, N. Madalla, E. Mtinda, T. Msogoya, A. Luzi – Kihupi, F. Rwambali, O. Kajitanus, & E. Senkondo. (2004). Assessment of potentials and constraints of integrated aquaculture in selected areas of Tanzania, presented to 31st TSAP conference held on 5th to 7th October 2004, Kilimanjaro, Tanzania.
    3. Madalla, N., Wille, M. & Sorgeloos, P. (2005). Beneficial Effects of Nucleotides in Crustaceans: Axenic Artemia Culture as a Test Case. In Hendry, C.I., Van Stappen, G., Wille, M., & Sorgeloos, P. (eds). Proceedings of Larvi ’05 – Fish and Shellfish Larviculture Symposium held on 5 – 8th September 2005, Ghent University, Belgium. pp 302 – 305.
    4. Agbo, N. W., Madalla, N. and Jauncey, K. (2009). Biochemical composition of some oilseed by-products and their digestibility by Nile tilapia (Oreochromis niloticus L.). 26th Biennial Conference of Ghana Science Association, Cape Coast University, Cape Coast, August 4 – 9
    5. Munubi, R.M., Masumbuko, J.P., Lamtane, H.A., Madalla, N. A. & Katule A. M. (2010) The Effect of Pond Water Replacement and Stocking Density on Water Quality, Plankton Abundance & Tilapia Productivity. Proceedings of the 4th Annual PANTIL Scientific Conference held in Morogoro 19-21 October 2009. Pp 86-91
    6. Shigulu, H., Madalla, N., Mnembuka, B.V. & Chenyambuga, S.W. (2011) Effect of Substituting Sunflower Seed Cake Meal and Soybean Meal with Moringa Leaf Meal in Oreochromis niloticus diets. Paper presented to 34th TSAP conference held at Olasit Garden, Arusha Tanzania from 25th to 27th October 2011
    7. Mangesho, W. & Madalla, N. A. (2011) Status of aquatic products sold in Dar es Salaam Super/mini super markets in Tanzania. Paper presented to 35th TSAP conference held at Olasit Garden, Arusha Tanzania from 25th to 27th October 2011
    8. Chenyambuga S.W., Madalla N. & Mnembuka B.V. (2012) Management and value chain of Nile tilapia cultured in ponds of small-scale farmers in Morogoro region, Tanzania. Presented at the International Institute of Fisheries Economics and Trade (IIFET) conference, Kilimanjaro Hotel, Dar es Salaam, Tanzania, 16 – 20th July 2012
    9. Mbwambo, J. S., Ndelolia, D., Madalla, N., Mnembuka, B., Lamtane, H. A., Mwandya, A. W. & Zahabu, E. (2012) Climate Change Impacts Among Coastal and Mangrove Dependent Communities: A Case of Bagamoyo District. In Proceedings of the 1st CCIAM Programme Scientific Conference held in Dar es Salaam, Tanzania from 2nd to 3rd January 2012 pp 131-141.
    10. Yona, G., Mwandya, A.W., Madalla, N. A., Lamtane. H. A. & Bwathondi, P. (2013) Fish Assemblages in Mangrove Ecosystem Under Curent Climatic Conditions in Pangani Estuary, Tanzania. Paper Presente to 8th WIOMSA Scientific Symposium in Mozambique in October 2013\
    11. Madalla, N. A., Kitojo, O. D., Chenyambuga, S. W. (2014) Effect of Feeding Level and Frequency on Performance of Oreochromis niloticus Fed Diets Containing Moringa Leaf Meal and Sunflower Seed Cake. Paper presented to World Aquaculture Conference held a Seattle, Washington USA from 9th – 12th February 2014.
    12. Lamtane, H.A., Nyirenda, A.J.R., Mwandya, A.W., Madalla, N.A. and Mnembuka, B.V. (2014) Assessment of Mangrove Status and Fish Community in Pangani Estuary. Paper presented at CCIAM Programme Collaborative Workshop held at Morogoro Hotel from 17th – 19th February, 2014.
    13. Ndelolia, D. N., Augustino, S. , Mbwambo, J. & Madalla, N. (2014) Perceptions, Coping and Adaptations Strategies to Climate Change and Variability Impacts by Local Communities in Pangani District. Paper presented at CCIAM Programme Collaborative Workshop held at Morogoro Hotel from 17th – 19th February, 2014.

 

  1. Google Scholar (Link):  https://scholar.google.com/citations?hl=en&user=8MZCGPoAAAAJ
  2. Research Gate (Link): https://www.researchgate.net/profile/Nazael-Madalla-2

 

COMMUNITY SERVICE AND OTHER ENGAGEMENTS

Chairperson, SUA Risk Management Committee from 2016 to date November 2018

Head, Department, Department of Animal Science & Production from 2014 to November 2018

Executive Member, Sokoine University of Agriculture Convocation from 2012 to 2018

Member, Secretariat of CCIAM (Climate Change Impacts, Adaptation and Mitigation) programme from 2011 to 2016.

Member, Monitoring and Evaluation Team of PANTIL (Programme for Agricultural and Natural Resources Transformation for Improved Livelihoods) until 2010

Member, Impact Assessment Team of FOCAL (Future Opportunities and Challenges in Agricultural Learning) programme Member until 2005,

 

ADMINISTRATIVE POSITIONS HELD

Post                                         Dates

Director of Aquaculture                 November 2018 to Date

Head of Department                    2013 – November 2018

 

CONTACT INFORMATION

​Nazael Amos Madalla,

Ministry of Livestock and Fisheries,

Government City Mtumba,

Ulinzi Street,

P.O. Box 2847,

40487 DODOMA,

United Republic of Tanzania.

Mobile: +255 (0)769 220 212

E-mail: nazaela.madalla@uvuvi.go.tz or nmadalla@gmail.com