Development and performance evaluation of screw-like fish meal pelletizer

Ikubanni, Peter Pelumi and Agboola, Olayinka Oluwole and Ogunsemi, Bamidele Tope Development and performance evaluation of screw-like fish meal pelletizer. Agricultural Engineering International:CIGR Journal, 21 (4). pp. 169-176.

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Abstract

: In aquaculture farming, good and balanced meals are essential for the fish to stay healthy. These meals are better produced through the usage of fish meal pelletizing machines. This study is to contribute to the existing fish meal pelletizing models in Nigeria through the designing, fabrication and performance evaluation of a new machine. The average discharge efficiency, percentage loss due to residue ingredients and production rate for the machine after four runs for 5 kg fish meal ingredients was processed for 2.5 minutes was 92.25%, 7.75% and 110.7 kg hr-1, respectively. It was discovered that as the drying days increase, the percentage moisture content removal increased for the two categories of pelletized fish meal weight (4.6 and 4.65 kg) considered while the weight of the pelletized fish meal reduced after drying. Linear regression models were derived for the two pelletized fish meal categories for easy estimation of percentage moisture content removed and weight of pelletized fish meal after drying. Through this machine, medium and small-scale aquaculture farmers will be greatly assisted locally, thereby boosting the economy of the nation and reducing importation of foreign feeds.

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