alexa Development and Performance Evaluation of an Automatic
ISSN: 2155-9546

Journal of Aquaculture Research & Development
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Research Article

Development and Performance Evaluation of an Automatic Fish Feeder

Ogunlela AO* and Adebayo AA
Department of Agricultural and Biosystems Engineering, University of Ilorin, Ilorin Nigeria
Corresponding Author : Ogunlela AO
Department of Agricultural and Biosystems Engineering
University of Ilorin, Ilorin Nigeria
Tel: +2347032550170
E-mail: [email protected]
Received November 04, 2015; Accepted December 30, 2015; Published February 15, 2016
Citation: Ogunlela AO, Adebayo AA (2016) Development and Performance Evaluation of an Automatic Fish Feeder. J Aquac Res Development 7:407. doi:10.4172/2155-9546.1000407
Copyright: © 2016 Ogunlela AO, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

Aquaculture, the process of raising aquatic animals in ponds, is gaining more attention in recent times. The feeding system is an important aspect of aquacultural practice. A simple, relatively inexpensive automatic fish feeder was designed, constructed and evaluated. The operation of the feeder does not require highly technical expertise. This paper reports the design considerations, materials used and the effectiveness of the device, based on analysis of manual feeding and automatic feeding. The main features of the device are: hopper (stainless steel), bi-directional motor, feed platform and electrical control box. The design was based on specific parameters which included capacity of culture tank, stocking density, fish biomass, diameter of the feed, angle of repose and bulk density (of the feed). The total cost of the device was 17,000 naira (approx. 106 U.S. dollars). The device was tested under two culture tanks (0.75 m3 each) with 10 kg-33 juvenile cat fish (Clarias gariepinus) placed in each tank with one feeding automatically and the other, manually. The feeder evaluation was based on feed conversion ratio (FCR) and feeding efficiency (FE).

The total average gain in weight per fish was higher in the automatic feeding (89.50 g) than in manual (78.50 g). An FE of 20.9% was obtained in the automatic feeding and 18.6% in manual, in relation to their FCRs. A t-test, conducted at 5% significance level, indicated a significant difference in the two feeding methods.

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