ISSN:
1365-2109
Source:
Blackwell Publishing Journal Backfiles 1879-2005
Topics:
Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
Notes:
The effect of the dietary incorporation of cassava leaves (Manihot esculenta Cranfcz) and peanut vines (Arachys kypogaea L.) on biomass production, final weight, mortality and feed conversion ratio of Clarias gariepinus (Burchell) was studied in a 10-week experiment. Two groups of diets were used: one group used cassava chips as the main energetic ingredient and cassava leaves (CL) as the crop residue, the other used corn as the energetic ingredient and peanut vines (PV) as the crop residue. Each group had diets with 0% (control). 10% or 20% crop residue incorporation. Comparison of the two controls (cassava or corn-based) showed that the cassava-based diet resulted in a significantly lower biomass and final weight (P 〈 0.01) and higher Teed conversion ratio. FCR (P 〈 0.05). There was no significant difference of biomass yield and final weight for the fish fed diets with 0%, 10%. and 20% CL diets. Fish fed 20% CL appeared to be more sensitive to diseases. Their mortality and FCR were significantly higher (P 〈 0.01) than those of the control. Incorporation of 10% or 20% PV did not affect any parameter when compared with the control. The results obtained in this experiment show that, for Clarias gariepinus under these conditions, a maximum of 10% cassava leaves can be incorporated in a cassava-chip diet. For a corn-based diet, incorporation of 20% peanut vines is possible.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1111/j.1365-2109.1995.tb00923.x
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