Effects of the supplementation of vitamin D-3 on the growth and vitamin D metabolites in juvenile Siberian sturgeon (Acipenser baerii)
文献类型: 外文期刊
作者: Wang, Liansheng 1 ; Xu, Hong 1 ; Wang, Yang 1 ; Wang, Chang'an 1 ; Li, Jinnan 1 ; Zhao, Zhigang 1 ; Luo, Liang 1 ; Du, Xu 1 ;
作者机构: 1.Chinese Acad Fishery Sci, Heilongjiang River Fisheries Res Inst, Harbin 150070, Peoples R China
关键词: Juvenile Siberian sturgeon;Vitamin D-3;Growth;Vitamin D metabolites;Osteocalcin
期刊名称:FISH PHYSIOLOGY AND BIOCHEMISTRY ( 影响因子:2.794; 五年影响因子:2.876 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: The objective of this study was to evaluate the effects of the supplementation of vitamin D-3 on the growth, vitamin D metabolites, and osteocalcin secretion in juvenile Siberian sturgeon (Acipenser baerii). A 90-day growth trial was conducted with juvenile Siberian sturgeon (initial body weight 3.47 +/- 0.14 g) fed seven isonitrogenous and isoenergetic practical diets (45% CP and 13% lipid) containing 60 (basal diet), 240, 450, 880, 1670, 3300, or 1.0 x 10(5) IU/kg feed (D60 similar to D 1.0 x 10(5)) vitamin D-3. The results showed that weight gain and specific growth rate increased as the dietary vitamin D-3 levels increased from 450 to 3300 IU/kg (P < 0.05). The fish fed with D1670 and D3300 diets had higher crude lipid and ash levels than the fish fed the D60 diet (P < 0.05). The fish fed D880, D1670, or D3300 diets had higher 25-OH-D-3 and 1,25-(OH)(2)-D-3 levels than the fish fed the D60 diet (P < 0.05). The fish fed D880, D1670, D3300, or D1.0 x 10(5) diets had higher osteocalcin levels than the fish fed the D60 diet (P < 0.05). Based on the broken line method analysis of weight gain and osteocalcin, the dietary vitamin D-3 requirement of juvenile Siberian sturgeon was estimated to be 1683.30 and 1403.27 IU/kg per diet, respectively.
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