Comparing the food consumptions, growths and conversion efficiencies of sandlance(<i>Ammodyte personatus</i> Girard) between two groups fed with different granularity diets

LIU Yong; SUN Yao; TANG Qi-sheng

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LIU Yong, SUN Yao, TANG Qi-sheng. Comparing the food consumptions, growths and conversion efficiencies of sandlance(Ammodyte personatus Girard) between two groups fed with different granularity diets[J]. Haiyang Xuebao, 2006, 28(6): 139-143.

Citation:

LIU Yong, SUN Yao, TANG Qi-sheng. Comparing the food consumptions, growths and conversion efficiencies of sandlance(Ammodyte personatus Girard) between two groups fed with different granularity diets[J]. Haiyang Xuebao, 2006, 28(6): 139-143.

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Comparing the food consumptions, growths and conversion efficiencies of sandlance(Ammodyte personatus Girard) between two groups fed with different granularity diets

1.
Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China;Key Laboratory of Marine and Estuarine Fisheries, Ministry of Agriculture, East China Sea Fisheries Institute, Chinese Academy of Fishery Sciences, Shanghai 200090, China
2.
Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China

Received Date: 2005-02-25
Rev Recd Date: 2005-08-20

Abstract

Abstract

The ecological energetic parameters,such as food consumption(C),growth(G) and ecological conversion efficiency(E),of two sandlances group fed with different granularity Artemis salina were determined by gastric content method in controlled conditions of laboratory.The results indicated that:The gastric evacuation rate of small juvenile Artemis salina feeding group was more than that of big adult Artemis salina feeding group,whose rates were 0.2136 and 0.1887 respectively.Those parameters such as C,G and E of the group fed with small granularity Artemis salina are 22.53 g/(100 g·d) (WW) or 60.14kJ/(100 g·d),3.63g/(100 g·d) (WW) or 14.86 kJ/(100 g·d),16.12%(WW) or 24.70%(kJ) ;those of the group fed with big granularity Artem is salina are 27.54 g/(100 g·d) (WW) o r 51.69 kJ/(100 g·d),4.77 g/(100 g·d) (WW) or 19.50 kJ/(100 g·d),17.31%(WW) or 37.69%(kJ).The food comsumption in wet mass of big adult Artemis salina feeding group was more than that of small juvenile Artem is salina feeding group,and that in energy t he result s rever sed.It w as show n t hat big adult A rt emi s sal i na feeding group grown better than small juvenile Artemis salina feeding group.Not only in wet mass but also in energy,growth and ecological conversion efficiency of big adult Artemis salina feeding group were better than that of small juvenile Artemis salina feeding group.
- Artemis salina,
- different granularity,
- food consumption,
- growth,
- ecological conversion efficiency

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References(29)

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