Feeding behavior of 5 species filter-feeding bivalves on Paralichthys olivaceus feed,fecal and sediment particulates in cage farming area

Q4 Environmental Science

水产学报 Pub Date : 2013-01-01 DOI:10.3724/SP.J.1231.2013.38401

Ji-hong Zhang, Tao Wu, Ya-Jie Gao, W. Tang

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引用次数: 6

Abstract

5 species bivalves' feeding behavior on different food,including flounder(Paralichthys olivaceus)faeces,residul feed and deposition was studied so as to discuss the potential IMTA based on filter-feeding bivalves.Results showed the 5 species bivalves could feed on fish faeces,residul feed and deposition.However,different species showed different feeding behaviors.Ingestion rates of oyster,clam and scallop were significantly higher than the other 2 species(two-way ANOVA,P0.01),and absorption efficiency(AE)and absorption rate(AR)of the 5 species bivalves were not significantly different.Diet had significant influence on the feeding behavior.With particle organic matter(POM)increasing,AE increased.There were significantly linear relationship between AR and POM.TPM threshold for pseudo-feces production of oyster and scallop and was 26.24,21.64,27.00 mg/L,respectively,and the 5 species bivalves could regulate food intake by pseudo-feces production.The shellfish+fish IMTA mode,clam Ruditapes philippinarum,oyster Crassostrea gigas and scallop Chlamys farreri are relatively good candidate species.

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网箱养殖区5种滤食性双壳类对绿鳍副鱼饵料、粪便及沉积物颗粒的摄食行为

研究了5种双壳类对不同食物(比目鱼粪便、残饲料和沉积物)的摄食行为，探讨了基于滤食性双壳类的IMTA潜力。结果表明，5种双壳类动物均以鱼粪、残饲料和沉积物为食。然而，不同的物种表现出不同的摄食行为。牡蛎、蛤蜊和扇贝的摄食率极显著高于其他2种(双因素方差分析，P0.01)， 5种双壳类动物的吸收效率(AE)和吸收率(AR)差异不显著。日粮对摄食行为有显著影响。随着颗粒有机质(POM)的增加，声发射增大。AR与POM之间存在显著的线性关系。牡蛎和扇贝产假粪的TPM阈值分别为26.24、21.64、27.00 mg/L, 5种双壳类动物均可通过产假粪调节摄食。贝类+鱼类的IMTA模式、菲律宾蛤、牡蛎、长牡蛎和扇贝是相对较好的候选物种。

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来源期刊

水产学报 Environmental Science-Management, Monitoring, Policy and Law

CiteScore

1.40

自引率

0.00%

发文量

5213

期刊介绍： "Fisheries of" mainly reflects the results of scientific research and development of the direction of aquaculture for domestic and foreign academic exchanges Fisheries Service. Mainly basic research published in Fisheries, aquaculture and proliferation of fishing waters environmental protection, preservation of aquatic products processing and utilization, fishing equipment, and other aspects of mechanical papers, research briefings and reviewed.