Greener Journal of Oceanography and Marine Science

Greener Journal of Oceanography and Marine Science Vol. 2 (1), pp. 01-05, 2018. 

ISSN: 2354-2349 © GS Publications 

Manuscript Number: 072518104

DOI URL: http://doi.org/10.15580/GJOMS.2018.1.072518104

Response of Substituting Fish Meal with Maggot Meal on the Growth Performance and Nutrient Utilization of Heterobranchus bidorsalis (Geoffrey Saint – Hilaire 1809) Fingerlings

 

 

EZEAFULUKWE C.F¹* and ANYANWU, C.N¹

 

 

¹Department of Fisheries and Aquaculture Technology, Federal University of Technology Owerri, Imo State, Nigeria.

  

Abstract

Maggot meal produced from maggots grown on poultry manure was used in substituting fish meal in African Catfish, Heterobranchus bidorsalis diet. The study lasted for a period of 8 weeks.  Growth and nutrient utilization of catfish fingerlings were evaluated as fish meal was substituted maggot meal at the following levels, 0%, 25%, 50%, 75% and 100% respectively. Proximate analysis carried out indicated that maggot meal had 32.66% crude protein, 12.5% crude fat, 7.50 crude fiber, 11.16 % ash and 34.60% moisture content. Maggot meal based diets compared favourably with fish meal based diets at an inclusion level of 25% as there were no significant differences (p>0.05) in the growth and nutrient utilization indices. It was concluded that maggot meal is a viable alternative protein source to fish meal in the diet of Heterobranchus bidorsalis. Its utilization is expected to reduce feed cost drastically, thus leading to a viable and sustainable aquaculture industry.

Keywords: Fish meal, Maggot meal, African Catfish, Heterobranchus bidorsalis diet, Growth Performance and Nutrient Utilization Indices

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