Dietary calcium requirements of bighead carp (Aristichthys nobilis)

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dc.contributor.authorCao, Manxia
dc.contributor.authorGao, Pan
dc.contributor.authorWang, Fuchen
dc.contributor.authorHuang, Feng
dc.contributor.authorWang, Yuanyuan
dc.contributor.authorHu, Xianqin
dc.contributor.authorWang, Wenbiao
dc.date.accessioned2022-11-10T17:36:24Z
dc.date.available2022-11-10T17:36:24Z
dc.date.issued2022
dc.description.abstractTo investigate dietary calcium requirement of bighead carp (Aristichthys nobilis), six purified diets were formulated to contain different concentrations of calcium (0.09% (control), 0.43%, 0.76%, 1.12%, 1.44%, and 1.79% of dry diets). Each diet was hand-fed to triplicate 30 fish with an average initial body weight (3.31 ± 0.09 g) for 60 days. The results showed that weight gain (WG) and specific growth rate (SGR) significantly increased when dietary calcium level was from 0.09% to 0.76% (P < 0.05). The phosphorus and calcium contents of whole fish body were highest in the 0.76% and 1.12% group, respectively (P < 0.05). The serum phosphorus content in the 1.79% group was significantly lower than those in other groups (P < 0.05). As dietary calcium content was from 0.09% to 0.76%, the activities of lipase and proteinase in the intestine had a significant increase (P < 0.05), while the glutamic oxaloacetic transaminase (GOT) and glutamic pyruvic transaminase (GPT) activities were significantly decreased (P < 0.05). Based on quadratic curve model analysis with WG and WGR as the appraising criteria, the appropriate dietary requirement of calcium for the bighead carp larvae (3.31 ± 0.09 g) was 1.01% - 1.02%.
dc.format.extent14 pages
dc.identifier.doihttps://doi.org/10.46989/001c.55546
dc.identifier.issn0792-156X
dc.identifier.urihttp://hdl.handle.net/10524/68202
dc.relation.ispartofThe Israeli Journal of Aquaculture - Bamidgeh
dc.subjectbighead carp
dc.subjectbody composition
dc.subjectcalcium
dc.subjectgrowth
dc.subjectserum biochemical indices
dc.titleDietary calcium requirements of bighead carp (Aristichthys nobilis)
dc.typeArticle
dc.type.dcmiText
prism.volume74

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Volume 74, 2022