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Effects of chitooligosaccharides supplementation with different dosages, molecular weights and degrees of deacetylation on growth performance, innate immunity and hepatopancreas morphology in Pacific white shrimp (Litopenaeus vannamei)
Liu, Yongliang1,2,3; Xing, Ronge1,2; Liu, Song1,2; Qin, Yukun1,2; Li, Kecheng1,2; Yu, Huahua1,2; Li, Pengcheng1,2
2019-12-15
Source PublicationCARBOHYDRATE POLYMERS
ISSN0144-8617
Volume226Pages:10
Corresponding AuthorXing, Ronge(xingronge@qdio.ac.cn) ; Li, Pengcheng(pcli@qdio.ac.cn)
AbstractThree trials were conducted to comprehensively evaluate the application of chitooligosaccharides (COSs) different dosages, molecular weights (MW) and degrees of deacetylation (DD) as a feed additive for Pacific white shrimp (Litopenaeus vannamei). In trial 1, COSs (3 KDa and 85% DD) a four different dosages (0.05%, 0.1%, 0.15% and 0.2%) were added to feed to investigate the appropriate dosages. The survival ratio (SR) of the shrimps was not significantly different (P > 0.05) between the control and treatment groups. The shrimps fed with 0.1% COSs supplementation exhibited the highest we body weight (FBW), specific growth ratio (SGR), and weight gain (WG) and the lowest feed conversion ratio (FCR). In trial 2, COSs with different MW (85% DD and 0.1% dosage) were tested. Except for the group treated with the 12 KDa COSs, all shrimps fed with COSs had remarkably higher (P < 0.05) FBW, WG, and SGR and lower FCR (P < 0.05) than the control group, and shrimps fed with the 1 KDa COSs showed most positive effects. In trial 3, COSs with different DD (MW of 1 KDa and 0.1% dosage) were further studied. The different DD were DD5, DD25, DD50, DD75, and DD95. Shrimps fed COSs-supplemented diets of DD75 or DD95 exhibited higher (P < 0.05) FBW, WG and SGR and lower FCR than the other groups. The DD95 group had the highest FBW, WG and SGR and the lowest FCR, but there were no significant differences (P > 0.05) between the DD75 and DD95 groups. Moreover, for COSs supplementation, especially for the DD75 and DD95 groups, the antioxidant parameters were significantly different from those of the other groups. Furthermore, groups fed diets with COSs supplementation had higher (P < 0.05) trypsin activity than those fed control diets. In addition, immune and antioxidant gene expression and the morphology of the hepatopancreas were affected by the DD of COSs. Therefore, the additive dosages, molecular weights and degrees of deacetylation of COSs significantly affected the growth performance of the shrimps; therefore, it is particularly important to determine the optimum parameters of COSs.
KeywordPacific white shrimp (Litopenaeus vannamei) Chitooligosaccharides Parameter optimization Growth performance Innate immunity Hepatopancreas morphology
DOI10.1016/j.carbpol.2019.115254
Indexed BySCI
Language英语
Funding ProjectNational Key R&D Program of China[2018YFC0311305] ; Key Research and Development Program of Shandong Province[2019GHY112015] ; Key Research and Development Program of Shandong Province[2017YYSP018] ; Special projects of Foshan Science and Technology Innovation Team[2017IT100054]
WOS Research AreaChemistry ; Polymer Science
WOS SubjectChemistry, Applied ; Chemistry, Organic ; Polymer Science
WOS IDWOS:000488245300006
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/163248
Collection实验海洋生物学重点实验室
Corresponding AuthorXing, Ronge; Li, Pengcheng
Affiliation1.Chinese Acad Sci, Inst Oceanol, Ctr Ocean Megasci, Key Lab Expt Marine Biol, Qingdao, Shandong, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Drugs & Bioprod, 1 Wenhai Rd, Qingdao 266237, Shandong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Liu, Yongliang,Xing, Ronge,Liu, Song,et al. Effects of chitooligosaccharides supplementation with different dosages, molecular weights and degrees of deacetylation on growth performance, innate immunity and hepatopancreas morphology in Pacific white shrimp (Litopenaeus vannamei)[J]. CARBOHYDRATE POLYMERS,2019,226:10.
APA Liu, Yongliang.,Xing, Ronge.,Liu, Song.,Qin, Yukun.,Li, Kecheng.,...&Li, Pengcheng.(2019).Effects of chitooligosaccharides supplementation with different dosages, molecular weights and degrees of deacetylation on growth performance, innate immunity and hepatopancreas morphology in Pacific white shrimp (Litopenaeus vannamei).CARBOHYDRATE POLYMERS,226,10.
MLA Liu, Yongliang,et al."Effects of chitooligosaccharides supplementation with different dosages, molecular weights and degrees of deacetylation on growth performance, innate immunity and hepatopancreas morphology in Pacific white shrimp (Litopenaeus vannamei)".CARBOHYDRATE POLYMERS 226(2019):10.
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