Zhiyong Dong , Tianhong Ke , Ning Li , Baoping Zhang , Bo Wang , Jiaming Kang , Yu Zhang , Tong Qian , Liang Liu , Wanjie Cai , Trond Storebakken , Bo Shi , Yuexing Zhang
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Eight iso-nitrogenous (∼ 500 g kg<sup>−1</sup>) and iso-energetic (∼ 22 MJ kg<sup>−1</sup>) diets with high lipid level (∼ 170 g kg<sup>−1</sup>) were formulated to contain the same level of two different types of lysolecithin, and namely WFO (130 g kg<sup>−1</sup> winterized fish oil), FSO (130 g kg<sup>−1</sup> fish stearin oil), LLP (FSO + 1 g kg<sup>−1</sup> lysolecithin powder, purity 250 g kg<sup>−1</sup>), MLP (FSO + 3 g kg<sup>−1</sup> lysolecithin powder), HLP (FSO + 5 g kg<sup>−1</sup> lysolecithin powder), LLO (FSO + 0.625 g kg<sup>−1</sup> lysolecithin oil, purity 400 g kg<sup>−1</sup>), MLO (FSO + 1.875 g kg<sup>−1</sup> lysolecithin oil) and HLO (FSO + 3.125 g kg<sup>−1</sup> lysolecithin oil), respectively. Largemouth bass fed FSO showed lower apparent digestibility coefficients (ADCs) of nutrients (total fat, crude protein, gross energy, total amino acid, total essential amino acid) than the WFO. Without considering the lysolecithin type, medium and high doses (0.75, 1.25 g kg<sup>−1</sup>) significantly increased ADCs of nutrients compared with the 0.25 g kg<sup>−1</sup> supplementation level. Lysolecithin oil significantly increased ADCs of nutrients than the lysolecithin powder. Thus, lysolecithin oil was chosen for 68-day feeding trial, and results showed the highest FBW, FI, WGR and SGR were recorded in diet HLO, and significantly higher than the FSO, LLO and MLO. Diet MLO significantly decreased lipid and energy in whole-body and lipid retention compared with the FSO, LLO and HLO. In addition, activity and mRNA expression of adipose triglyceride lipase significantly increased, while glycerol-3-phosphate acyltransferase 4 decreased in diet HLO.</p></div>","PeriodicalId":8103,"journal":{"name":"Aquaculture Reports","volume":"39 ","pages":"Article 102365"},"PeriodicalIF":3.2000,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2352513424004538/pdfft?md5=daccb487e9dd944cccb90862ad47cc24&pid=1-s2.0-S2352513424004538-main.pdf","citationCount":"0","resultStr":"{\"title\":\"Dietary lysolecithin enhances the value of high-lipid diet supplemented with fish stearin oil in post-juvenile largemouth bass Micropterus salmoides\",\"authors\":\"Zhiyong Dong , Tianhong Ke , Ning Li , Baoping Zhang , Bo Wang , Jiaming Kang , Yu Zhang , Tong Qian , Liang Liu , Wanjie Cai , Trond Storebakken , Bo Shi , Yuexing Zhang\",\"doi\":\"10.1016/j.aqrep.2024.102365\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The present study aimed to investigate the ameliorative effects of lysolecithin on fish stearin oil, meanwhile comparing the application of two different forms (lysolecithin powder and lysolecithin oil) and three inclusion levels (0.25, 0.75, 1.25 g kg<sup>−1</sup>) in largemouth bass. 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引用次数: 0
摘要
本研究旨在探讨溶脂卵磷脂对鱼硬脂油的改善作用，同时比较两种不同形式（溶脂卵磷脂粉和溶脂卵磷脂油）和三种添加量（0.25、0.75、1.25 g kg-1）在大口鲈鱼中的应用。整个研究包括 28 天的消化率试验和随后 68 天的饲喂试验。八种等氮（∼ 500 g kg-1）、等能（∼ 22 MJ kg-1）、高脂（∼ 170 g kg-1）日粮的配方含有相同水平的两种不同类型的溶脂卵磷脂，即 WFO（130 g kg-1 冬化鱼油）、FSO（130 g kg-1 鱼硬脂油）、LLP（FSO + 1 g kg-1 卵磷脂粉末，纯度 250 g kg-1）、MLP（FSO + 3 g kg-1 卵磷脂粉末）、HLP（FSO + 5 g kg-1 卵磷脂粉末）、LLO（FSO + 0.625 g kg-1 卵磷脂油，纯度 400 g kg-1）、MLO（FSO + 1.875 g kg-1 卵磷脂油）和 HLO（FSO + 3.125 g kg-1 卵磷脂油）。与 WFO 相比，喂食 FSO 的大口鲈营养成分（总脂肪、粗蛋白、总能量、总氨基酸、总必需氨基酸）的表观消化系数（ADCs）较低。在不考虑卵磷脂类型的情况下，中剂量和高剂量（0.75、1.25 g kg-1）比 0.25 g kg-1 的添加量显著提高了养分的表观消化系数。与卵磷脂粉相比，卵磷脂油能明显提高营养成分的 ADC。结果表明，HLO 日粮的FBW、FI、WGR 和 SGR 最高，明显高于FSO、LLO 和 MLO。与 FSO、LLO 和 HLO 相比，MLO 日粮明显降低了全身的脂质和能量以及脂质保留率。此外，饮食 HLO 中脂肪甘油三酯脂肪酶的活性和 mRNA 表达明显增加，而甘油-3-磷酸酰基转移酶 4 则减少。
Dietary lysolecithin enhances the value of high-lipid diet supplemented with fish stearin oil in post-juvenile largemouth bass Micropterus salmoides
The present study aimed to investigate the ameliorative effects of lysolecithin on fish stearin oil, meanwhile comparing the application of two different forms (lysolecithin powder and lysolecithin oil) and three inclusion levels (0.25, 0.75, 1.25 g kg−1) in largemouth bass. The entire study consisted of a 28-day digestibility trial and a consequent 68-day feeding experiment. Eight iso-nitrogenous (∼ 500 g kg−1) and iso-energetic (∼ 22 MJ kg−1) diets with high lipid level (∼ 170 g kg−1) were formulated to contain the same level of two different types of lysolecithin, and namely WFO (130 g kg−1 winterized fish oil), FSO (130 g kg−1 fish stearin oil), LLP (FSO + 1 g kg−1 lysolecithin powder, purity 250 g kg−1), MLP (FSO + 3 g kg−1 lysolecithin powder), HLP (FSO + 5 g kg−1 lysolecithin powder), LLO (FSO + 0.625 g kg−1 lysolecithin oil, purity 400 g kg−1), MLO (FSO + 1.875 g kg−1 lysolecithin oil) and HLO (FSO + 3.125 g kg−1 lysolecithin oil), respectively. Largemouth bass fed FSO showed lower apparent digestibility coefficients (ADCs) of nutrients (total fat, crude protein, gross energy, total amino acid, total essential amino acid) than the WFO. Without considering the lysolecithin type, medium and high doses (0.75, 1.25 g kg−1) significantly increased ADCs of nutrients compared with the 0.25 g kg−1 supplementation level. Lysolecithin oil significantly increased ADCs of nutrients than the lysolecithin powder. Thus, lysolecithin oil was chosen for 68-day feeding trial, and results showed the highest FBW, FI, WGR and SGR were recorded in diet HLO, and significantly higher than the FSO, LLO and MLO. Diet MLO significantly decreased lipid and energy in whole-body and lipid retention compared with the FSO, LLO and HLO. In addition, activity and mRNA expression of adipose triglyceride lipase significantly increased, while glycerol-3-phosphate acyltransferase 4 decreased in diet HLO.
Aquaculture ReportsAgricultural and Biological Sciences-Animal Science and Zoology
CiteScore
5.90
自引率
8.10%
发文量
469
审稿时长
77 days
期刊介绍：
Aquaculture Reports will publish original research papers and reviews documenting outstanding science with a regional context and focus, answering the need for high quality information on novel species, systems and regions in emerging areas of aquaculture research and development, such as integrated multi-trophic aquaculture, urban aquaculture, ornamental, unfed aquaculture, offshore aquaculture and others. Papers having industry research as priority and encompassing product development research or current industry practice are encouraged.
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