Ingestion of Domoic Acid and Its Impact on King Scallop (Pecten maximus, Linnaeus 1758)

作     者：LIU Hui Maeve S. Kelly Dirk A. Campbell DONG Shuanglin ZHU Jianxin WANG Sufeng 

作者机构：Fisheries College Division of Marine Life Science and Technology Ocean University of China Qingdao 266003 P.R. China Key Laboratory of Chinese Ministry of Agriculture for Sustainable Utilization of Marine Fisheries Resources Yellow Sea Fisheries Research lnstltute Chinese Academy of Fishery Sciences Qingdao 266071 P.R. China Scottish Association for Marine Science Dunstaffnage Marine Laboratory Oban Scotland PA 37 1QA UK Environmental Management College of China Qinhuangdao 066000 P.R. China 

出 版 物：《Journal of Ocean University of China》 (中国海洋大学学报（英文版）)

年 卷 期：2007年第6卷第2期

页      面：175-181页

学科分类：0710[理学-生物学] 090801[农学-水产养殖] 0908[农学-水产] 0707[理学-海洋科学] 09[农学] 0815[工学-水利工程] 0824[工学-船舶与海洋工程] 

基　　金：Marie Curie: 509394 Sixth Framework Programme,FP6 

主　　题：大扇贝 摄食 软骨藻酸 食物 性腺指标 

摘      要：A simple method for spiking formulated feed with domoic acid (DA) was developed in this study. DA feed was prepared by mixing 0.15 mL 100 μg mL-1 DA with 0.1 g formulated feed, and drying the mixture at room temperature for 2 h. The prepared DA feed contained 0.19 pg DA per particle. Of the added DA, 46.72% was retained in the feed. Relatively high DA retention (about 50%) was recorded after DA feed was soaked in water for 2 h. Exposure to DA feed for 7 d did not cause the increase of tissue DA level of adult king scallop (Pecten maximus) significantly in 60 d. The increase of their gonad index after DA exposure was not significantly different from the control. No significant change in DA level was found in spermary, ovary or fertilized eggs after DA exposure. These results indicated that DA excretion may be more efficient than DA accumulation under the current experimental conditions, and the mechanism of domoic acid incorporation in P. maximus may involve intracellular biotransformation.