Sustainable Onshore Lobster Aquaculture
Sustainable Onshore Lobster Aquaculture

Near-infrared spectroscopy as a novel non-invasive tool to assess spiny lobster nutritional condition

Abstract

Rapid non-invasive monitoring of spiny lobster nutritional condition has considerable application in the established fishery, live market and prospective aquaculture. The aim of this research was to test the feasibility of near-infrared spectroscopy (NIRS) as a novel noninvasive tool to assess the nutritional condition of three lobster species. Lobster (n = 92) abdominal muscle dry matter (AMDM) and carbon content (AMC) correlated significantly with indices of nutritional condition including hepatopancreas dry matter (HPDM; rho = 0.83, 0.78), total lipid content (HPTL; rho = 0.85, 0.87) and haemolymph total protein (TP; rho = 0.89, 0.87 respectively). Abdominal muscle nitrogen content (AMN) was a poor correlate of nutritional condition. Models based on FT-NIR scanning of whole lobster tails successfully predicted AMDM, AMN and AMC (RMSECV = 1.41%, 0.35% and 0.91%; R2 = 0.75, 0.65, 0.77, respectively), and to a lower accuracy HPDM, HPTL and TP (RMSECV = 6.22%, 8.37%, 18.4 g l-1; R2 = 0.51, 0.70, 0.83, respectively). NIRS was applied successfully to assess the condition of spiny lobsters non-invasively. This pilot study paves the way for the development of crustacean condition models using portable non-invasive devices in the laboratory or in the field. © 2016 Simon 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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Research Hub Investigator(s)
Publication Year
2016
Citation
Simon, C.J., Rodemann, T. & Carter, C.G. 2016, "Near-infrared spectroscopy as a novel non-invasive tool to assess spiny lobster nutritional condition", PLoS ONE, vol. 11, no. 7.
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The ARC Research Hub for Sustainable Onshore Lobster Aquaculture is funded by the Australian Government through the Australian Research Council Industrial Transformation Research Program. 

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