Housefly Maggot Meal as a Potent Bioresource for Fish Feed to Facilitate Early Gonadal Development in Clarias gariepinus (Burchell,1822)

Johnny O. Ogunji, Stanley Iheanacho, Christopher Nwokwa Mgbabu, Nuria C. Amaechi and Onyedikachi O. C. Evulobi
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Johnny O. Ogunji: Department of Fisheries and Aquaculture, Alex Ekwueme Federal University Ndufu Alike Ebonyi State, 482131 Abakaliki, Nigeria
Christopher Nwokwa Mgbabu: Department of Applied Biology, Ebonyi State University, 482131 Abakaliki, Nigeria
Nuria C. Amaechi: Department of Food Science and Technology, Abia State University, 441107 Uturu, Nigeria
Onyedikachi O. C. Evulobi: Department of Fisheries and Aquaculture Management, Nnamdi Azikiwe University, 420211 Awka, Nigeria

Sustainability, 2021, vol. 13, issue 2, 1-16

Abstract: Food security is threatened by the global increase of human population, climate change, inequality of wealth distribution, the state of natural resources, peace and sustainability, among others. Aquaculture has become an important part of the food supply, hence contributing to food security. Sustainable fish production, which represents an important affordable protein supply, should therefore involve feed formulation and production techniques that are not dependent on fish meal as the protein source. It is on this basis that bioeconomy becomes very important to promote the resourceful use of biomass for feed, food, biomaterials, and bioenergy. This study presents housefly maggot meal as an efficient alternative protein source to fishmeal and a valuable bioresource. Clarias gariepinus fingerlings (male and female) were fed maggot meal supplemented diets for 24 weeks and we assessed their growth and gonadal development. The findings of this study revealed that maggot-meal-enhanced diets promoted growth and faster gonadal development in fish. Maggot meal represents a quality alternative protein source to fish meal and an excellent bioresource, which can help us attain sustainable aquaculture production.

Keywords: blue bioeconomy; food security; sustainability; aquaculture; alternative protein; bioresources; housefly maggot meal; African catfish (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
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