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学科主题: Fisheries; Marine & Freshwater Biology
题名: Effects of dietary calcium, phosphorus and calcium/phosphorus ratio on the growth and tissue mineralization of Litopenaeus vannamei reared in low-salinity water
作者: Cheng, KM ; Hu, CQ ; Liu, YN ; Zheng, SX ; Qi, XJ
通讯作者: ckminchina@yahoo.com.cn
关键词: Litopenaeus vannamei ; calcium ; phosphorus ; calcium/phosphorus ratio ; requirement ; low salinity
刊名: AQUACULTURE
发表日期: 2006
卷: 251, 期:40578, 页:472-483
收录类别: sci
部门归属: Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Appl Marine Biol, Guangzhou 510305, Guangdong, Peoples R China; Zhanjiang Yuehai Feed Co Ltd, Zhanjiang 524017, Peoples R China
项目归属: 广东省应用海洋生物学重点实验室
摘要: An 8-week feeding experiment was conducted to evaluate the response of juvenile Litopenaeus vannamei to dietary calcium (Ca), phosphorus (P) and their interaction between Ca and P in low-salinity water of No. Fifteen isonitrogenous and isoenergetic diets, containing five graded levels of total P (0%, 0.5%, 1%, 1.5% and 2%) for each of three levels of Ca (0%, 1% and 2%), were fed to juvenile L. vannamei. Prior to the experiment, the postlarvae were gradually acclimated to low salinity and fed a basal diet (0.5% total Ca and 0.5% total P) for 2 weeks. After 8 weeks, survival, hepatopancreas alkaline phosphatase and protein content of muscle were significantly affected by dietary P levels (P < 0.05). The weight gain (WG), ranging from 505.44% to 1187.72%, was significantly affected by dietary Ca, P and the interaction between Ca and P (P < 0.05). In the absence of supplemental Ca, diets containing 0.77% estimated available phosphorus (EAP) (0.93% total P) were adequate for optimal growth. In the presence of 1% supplemental Ca, shrimp fed diets containing 1.22% EAP (2% total P) had better growth performance. The response to dietary P supplementation was dependent on dietary Ca level. Supplementation of 2% Ca to the basal diets yielded a significant reduction in growth, indicating that dietary Ca should be reduced to minimize dietary P supplementation. The Ca, P, magnesium, zinc and manganese content in tissues responded to dietary treatment. However, there was no clear relationship between growth and tissue mineralization. (c) 2005 Elsevier B.V All rights reserved.
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WOS记录号: WOS:000235263300032
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/5464
Appears in Collections:广东省应用海洋生物学重点实验室_期刊论文

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Recommended Citation:
Cheng, KM; Hu, CQ; Liu, YN; Zheng, SX; Qi, XJ.Effects of dietary calcium, phosphorus and calcium/phosphorus ratio on the growth and tissue mineralization of Litopenaeus vannamei reared in low-salinity water,AQUACULTURE,2006,251(40578):472-483
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