2000
DOI: 10.1007/s002440010117
|View full text |Cite
|
Sign up to set email alerts
|

Relative Contributions of Aqueous and Dietary Uptake of Hydrophobic Chemicals to the Body Burden in Juvenile Rainbow Trout

Abstract: This study assessed the relative contributions of aqueous versus dietary uptake of three hydrophobic chemicals, 1,2, 4-trichlorobenzene (1,2,4-TCB), 1,2,3,4,5-pentachlorobenzene (PeCB), and 2,2',4,4',6,6'-hexachlorobiphenyl (HCBP). Juvenile rainbow trout (Oncorhynchus mykiss) were exposed separately to chemically spiked water and food for 4 days and 12 days, respectively. Chemical concentrations were measured in the food, water, and tissues, and this allowed calculation of uptake rate constants (k(1) from wate… Show more

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...
3
2

Citation Types

0
5
0

Year Published

2005
2005
2021
2021

Publication Types

Select...
9

Relationship

0
9

Authors

Journals

citations
Cited by 57 publications
(5 citation statements)
references
References 29 publications
0
5
0
Order By: Relevance
“…Fish bioaccumulate xenobiotic compounds through direct absorption (mostly through the gills) from contaminated water and through the ingestion of contaminated food [ 18 ] and water. Dietary exposure to organic contaminants results in significant bioaccumulation for a variety of compounds [ 19 20 ] and sometimes results in detrimental biochemical and physiological effects [ 21 , 22 ].…”
Section: Introductionmentioning
confidence: 99%
“…Fish bioaccumulate xenobiotic compounds through direct absorption (mostly through the gills) from contaminated water and through the ingestion of contaminated food [ 18 ] and water. Dietary exposure to organic contaminants results in significant bioaccumulation for a variety of compounds [ 19 20 ] and sometimes results in detrimental biochemical and physiological effects [ 21 , 22 ].…”
Section: Introductionmentioning
confidence: 99%
“…In areas where sediment PCB concentration is elevated, PCB concentrations in the pore water of the sediments and in water overlying the sediments can also be relatively high [ 58 60 ]. The importance of direct uptake of PCBs from water in the PCB budget for a fish depends on the ratio of PCB concentration in food to PCB concentration in water [ 61 ]. If PCB concentration in water is sufficiently high relative to PCB concentration of food, direct uptake of PCBs from water would be an important component of the PCB budget.…”
Section: Discussionmentioning
confidence: 99%
“…If PCB concentration in water is sufficiently high relative to PCB concentration of food, direct uptake of PCBs from water would be an important component of the PCB budget. Given that direct uptake of PCBs from water is positively influenced by the ventilation rate of the fish [ 61 ], the rate of direct uptake of PCBs from water would be expected to be higher in males than in females, because males are believed to expend energy at a faster rate than females. Finally, whole-organism PCB concentration of the various prey items would also have to be determined to accurately model PCB accumulation in summer flounder.…”
Section: Discussionmentioning
confidence: 99%
“…Most studies have focused on direct ingestion from the water column, and knowledge of trophic transfer of microplastics is scarce (Au et al, 2017), with the exception of a few reports that did not compare the contributions of direct and indirect ingestion (Farrell and Nelson, 2013;Nelms et al, 2018). Bioaccumulation studies using other environmental contaminants suggested that trophic transfer plays a more important role in the uptake than the waterborne ingestion (Qiao et al, 2000). Thus, trophic transfer may be the major contributor to the ingestion for microplastics too.…”
Section: Introductionmentioning
confidence: 99%