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57 documents indexed

Age, growth and reproductive biology of Lethrinops gossei burgess & axelrod– (Teleostei: cichlidae) in the south east arm of Lake Malawi

M.C. Banda · G.Z. Kanyerere · E. Kaunda · F. Maguza-Tembo +1 more

Life history traits of Lethrinops gossei from south east arm of Lake Malawi were studied. Validation of age was done by using analysis of marginal increment and length frequency distribution. It was assumed that a single opaque ring was la…

RUF-35078 2010 CC BY 4.0 16 Sep 2015

Effect of dietary protein, lipid and androgen (11 - ketotestosterone) levels on the progeny of Oreochromis andersonii (castelnau, 1861) broodstock

J. Kang’ombe · D. Kassam · Alexander Shula Kefi

The study on the effect of dietary protein, lipid and 11 – Ketotestosterone (11 – KT) levels on the progeny quality of Oreochromis andersonii broodstock will be conducted at National Aquaculture Research and Development Centre, Kitwe, Zamb…

RUF-35051 2010 CC BY 4.0 15 Sep 2015

Some aspects of reproductive biology of Oreochromis andersonii, Oreochromis machrochir and Oreochromis niloticus in ponds

N. Chimba · C. Kancheya · Alexander Shula Kefi · K.G. Kubiriza +1 more

The study on the reproductive biology of Oreochromis macrochir, O. niloticus and O. andersonii was carried out for sixty nine days in hapas. There were no significant (P > 0.05) differences in the number and weight of spawn incubated in…

RUF-35035 2010 CC BY 4.0 15 Sep 2015

Fish farming for improved income and food security of small scale farmersan initiative of the RUFORUM Community Action Research Programme (CARP)

J. Banda · L. Banda · B. Chirwa · T. Chitsulo +9 more

African trypanosomiasis is a major disease in several countries in eastern Africa, Uganda inclusive. This study is examining the role of oligopeptidase B (opB) in virulence of the vector Trypanosoma brucei rhodesiense and T. brucei gambien…

RUF-34999 2010 CC BY 4.0 15 Sep 2015

The Effect of Fish Farming Systems on Water quality and community livelihoods in Mbale: A Socio Economic and Biophysical Assessment

A. Akol · H. Gidongo · T.S. Hyuha · F. Muyodi +1 more

Fish farming contributes to people’s livelihoods, nutrition security, and foreign exchange. However, these potential may be achieved at the expense of the environment. This study determined the effect of fish farming on water quality and l…

RUF-32831 2012 CC BY 4.0 19 May 2014

Combined Effect of Selected Technologies on Growth, Survival and Water quality of Improved Strain of Oreochromis Shiranus in Earthen Ponds of Dowa District, Malawi

L. Jere · J. Kang’ombe · E.W. Kaunda · P.M. Longwe +2 more

The study to evaluate the combined effect of feed, feeding trays and clear plastic pond sheeting technique on the growth, survival and water quality of the improved strain of Oreochromis shiranus was conducted in Dowa District, Malawi, fro…

RUF-32827 2012 CC BY 4.0 19 May 2014