《Table 3 Feeding, digestion and growth in A.japonicus at diff erent life history stages》
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《Development strategies for the sea cucumber industry in China》
IR:ingestion rate；ADR:apparent digestive rate；FCE:feed conversion effi ciency；G:energy deposit for growth；SGR:specifi c growth rate.IR，ADR，FCE，G and SGR are calculated by following equations:IR=F/[（W 1+W 2）/2×T]，ADR=100-（100×AIA diet/AIA faeces）；
The primary reason for this phenomenon is due to non-standard aquaculture techniques and extensive management.For example，due to the low quality of diet and inappropriate substrate materials，the deterioration of water quality in ponds could lead to a large-scale mortality rate of A.japonicus resulting in reduced production.In addition，A.japonicus as a benthic deposit feeder has the biological characteristics of low digestive ability and growth rate（Table 3）.However，in most aquaculture regions，A.japonicus animals are cultivate separately.Therefore the upper and middle waters cannot be used fully.This contributes another critical reason for low aquaculture effi ciency.
| 图表编号 | XD0034434000 严禁用于非法目的 |
|---|---|
| 绘制时间 | 2019.01.01 |
| 作者 | RU Xiaoshang、ZHANG Libin、LI Xiaoni、LIU Shilin、YANG Hongsheng |
| 绘制单位 | CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences、University of Chinese Academy of Sciences、CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chine |
| 更多格式 | 高清、无水印（增值服务） |
