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Design and experimental study of automatic vaccine injection device for spindle-shaped fish
Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org
Citation: 2022 ASABE Annual International Meeting 2200732.(doi:10.13031/aim.202200732)
Authors: Chen Li, junyang Chen, Songming Zhu, Jianping Li
Keywords: spindle-shaped fish, vaccine injection, regression analysis, image processing
Abstract. With the increase in the scale and density of aquaculture, the problem of fish diseases is getting more and more serious, resulting in economic losses of 4 billion yuan each year. The practice has proved that vaccination plays an important role in the large-scale and intensive fish industry. To improve the vaccination rate, it is necessary to adjust the injection site in real-time according to the size of the fish when vaccinating spindle-shaped fish. In this paper, grass carp was taken as the research object, the fry length L, width W, thickness T and injection position X, Y were measured, and regression analysis was carried out to determine the optimal injection site prediction model. Finally, an image acquisition device was designed, and the predicted length L and width W of the fry were experimentally obtained. The results showed that the maximum error between the predicted injection site and the actual injection site was less than 6%, which could be applied to actual production within the allowable error range.
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