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Effects of live food and formulated diets on survival, growth and protein content of first-feeding larvae of Plelteobagrus fulvidraco
Wang, C; Xie, S; Zheng, K; Zhu, X; Lei, W; Yang, Y; Liu, J; Xie, S, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
2005-06-01
Source PublicationJOURNAL OF APPLIED ICHTHYOLOGY
ISSN0175-8659
Volume21Issue:3Pages:210-214
AbstractIn recent years, much progress has been made in the rearing of fish larvae fed only artificial diets. A preliminary study was made in an attempt to evaluate the effects of live food and formulated diets on survival, growth and body protein content of first-feeding larvae of Plelteobagrus fulvidraco. Three test diets varying in protein level were formulated: Feed 1 containing 45% protein, Feed 2 with 50% protein and Feed 3 with 55% protein. Larvae fed live food (newly hatched Artemia, unenriched) were the control. The experiment started 3 days post-hatch and lasted for 23 days. At the end of the 23-day trial, survival was best in the control group (65.6%) whereby the final body weight and specific growth rate (SGR) were significantly lower than those in the test feed groups. At the same time, coefficients of variation for SGR and final body weight in the test groups were significantly higher than those in the control. Whole body protein content in all treatments showed a similar tendency during development: significantly higher 3 days post-hatch, then decreasing significantly, and then increasing unstatistically 10 days post-hatch. All results suggest that live food is still better for first-feeding larvae of P. fulvidraco, since live food leads to healthier larvae growth.; In recent years, much progress has been made in the rearing of fish larvae fed only artificial diets. A preliminary study was made in an attempt to evaluate the effects of live food and formulated diets on survival, growth and body protein content of first-feeding larvae of Plelteobagrus fulvidraco. Three test diets varying in protein level were formulated: Feed 1 containing 45% protein, Feed 2 with 50% protein and Feed 3 with 55% protein. Larvae fed live food (newly hatched Artemia, unenriched) were the control. The experiment started 3 days post-hatch and lasted for 23 days. At the end of the 23-day trial, survival was best in the control group (65.6%) whereby the final body weight and specific growth rate (SGR) were significantly lower than those in the test feed groups. At the same time, coefficients of variation for SGR and final body weight in the test groups were significantly higher than those in the control. Whole body protein content in all treatments showed a similar tendency during development: significantly higher 3 days post-hatch, then decreasing significantly, and then increasing unstatistically 10 days post-hatch. All results suggest that live food is still better for first-feeding larvae of P. fulvidraco, since live food leads to healthier larvae growth.
SubtypeArticle
KeywordZooplankton Rna Dna
DepartmentChinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China; Chinese Acad Sci, Grad Sch, Wuhan, Hubei, Peoples R China
Subject AreaFisheries ; Marine & Freshwater Biology
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaFisheries ; Marine & Freshwater Biology
WOS SubjectFisheries ; Marine & Freshwater Biology
WOS IDWOS:000229519300007
WOS KeywordZOOPLANKTON ; RNA ; DNA
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/9244
Collection期刊论文
Corresponding AuthorXie, S, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
2.Chinese Acad Sci, Grad Sch, Wuhan, Hubei, Peoples R China
Recommended Citation
GB/T 7714
Wang, C,Xie, S,Zheng, K,et al. Effects of live food and formulated diets on survival, growth and protein content of first-feeding larvae of Plelteobagrus fulvidraco[J]. JOURNAL OF APPLIED ICHTHYOLOGY,2005,21(3):210-214.
APA Wang, C.,Xie, S.,Zheng, K.,Zhu, X.,Lei, W.,...&Xie, S, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China.(2005).Effects of live food and formulated diets on survival, growth and protein content of first-feeding larvae of Plelteobagrus fulvidraco.JOURNAL OF APPLIED ICHTHYOLOGY,21(3),210-214.
MLA Wang, C,et al."Effects of live food and formulated diets on survival, growth and protein content of first-feeding larvae of Plelteobagrus fulvidraco".JOURNAL OF APPLIED ICHTHYOLOGY 21.3(2005):210-214.
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