"The effect of different feeding levels on the growth and muscle quality of Micropterus salmoides" fatty acid data table

With the expansion of aquaculture production and transformations in farming models and structures, it has become an important issue for balancing the output and quality of aquatic products, and promoting resource efficiency and cost-effectiveness in aquaculture. To investigate the effects of different feeding patterns on growth performance and muscle quality in Micropterus salmoides, three feeding strategies were implemented: satiation feeding (SF), moderate feed restriction (70%, MFR), and high feed restriction (30%, HFR). After 28 days of satiation feeding, compared to the MFR group, the SF group showed a 32.99% decrease in feed utilization (P＜0.05), a 22.63% and 180% increase in liver body index and spleen body index, respectively (P＜0.05), a 6.97% decrease in empty shell weight (P＜0.05), a decrease in muscle moisture content, a 58.09% increase in crude fat content, a 3.77% decrease in crude protein content (P＜0.05), a 21.40% decrease in total amino acid content (P＜0.05), and a 31.29% increase in muscle hardness (P＜0.05). The myofiber interstitials increased, bright and dark bands were dull in color, a large amount of interstitial fat were accumulated, The muscle growth-promoting genes myog and myf6 were significantly down-regulated (P＜0.05), the growth-inhibiting gene mstn was significantly up-regulated (P＜0.05), and the genes related to liver and muscle fat synthesis were significantly up-regulated (P＜0.05). Compared with the the MFR group, the specific growth rate of the HFR group was significantly reduced by 90.86% (P＜0.05), the feed utilization rate was significantly reduced by 82.23% (P < 0.05), the crude protein content of the muscle was reduced by 9.63%, the total amino acid content was elevated by 15.45% (P＜0.05), myog were significantly down-regulated (P＜0.05), and there were different degrees of breakage of muscle fibers. In conclusion, moderate food restriction could improve the muscle quality of M. salmoides, improve feed utilization, reduce feed consumption, promote group health, reduce farming costs, and provide a new breeding mode to promote efficiency and save food.This dataset is an appendix to a published article and aims to supplement the fatty acid content of 31 fatty acids in the muscle of M. salmoides at different feeding levels. The data provides detailed information on the content of each fatty acid, making it convenient for readers to refer to the data while reading the article.