Dietary exposure to titanium dioxide nanoparticles in rainbow trout, (Oncorhynchus mykiss): no effect on growth, but subtle biochemical disturbances in the brain

Ecotoxicology ◽  
2009 ◽  
Vol 18 (7) ◽  
pp. 939-951 ◽  
Author(s):  
Christopher S. Ramsden ◽  
Timothy J. Smith ◽  
Benjamin J. Shaw ◽  
Richard D. Handy
Keyword(s):  
Titanium Dioxide ◽  
Rainbow Trout ◽  
Oncorhynchus Mykiss ◽  
Titanium Dioxide Nanoparticles ◽  
Dietary Exposure ◽  
Rainbow Trout Oncorhynchus Mykiss ◽  
The Brain ◽  
Effect On Growth

The effects of dietary selenomethionine on tissue-specific accumulation and toxicity of dietary arsenite in rainbow trout (Oncorhynchus mykiss) during chronic exposure

Metallomics ◽  
2019 ◽  
Vol 11 (3) ◽  
pp. 643-655 ◽  
Author(s):  
Ankur Jamwal ◽  
Yusuf Saibu ◽  
Tracy C. MacDonald ◽  
Graham N. George ◽  
Som Niyogi
Keyword(s):  
Rainbow Trout ◽  
Oncorhynchus Mykiss ◽  
Chronic Exposure ◽  
Dietary Exposure ◽  
Tissue Specific ◽  
Rainbow Trout Oncorhynchus Mykiss ◽  
Specific Accumulation ◽  
The Brain

Selenomethionine facilitated arsenic deposition in the brain and likely in other tissues, possibly via bio-complexation. Elevated dietary selenomethionine can increase the tissue-specific accumulation and toxicity of As3+ in fish during chronic dietary exposure.

The digestibility of four ingredients in rainbow trout (Oncorhynchus mykiss Walbaum) diets

1998 ◽  
Vol 1998 ◽  
pp. 135-135
Author(s):  
R.N. Weatherup ◽  
K.J. McCracken ◽  
D.A. Rice ◽  
J. McKendry ◽  
R. Hoey
Keyword(s):  
Titanium Dioxide ◽  
Rainbow Trout ◽  
Oncorhynchus Mykiss ◽  
Basal Diet ◽  
Reliable Data ◽  
Chromic Oxide ◽  
Raw Material ◽  
Feed Ingredients ◽  
Rainbow Trout Oncorhynchus Mykiss ◽  
Fish Diets

The marker technique has been used widely in trout digestibility studies due to practical difficulties in obtaining “true” faeces samples directly from fish. However this technique is also relatively difficult and there are few good systems for faeces collection. Reliable data on raw material digestibilities are therefore scarce. Traditionally, chromic oxide has been used as a marker. However this substance can give rise to skin allergies in humans and has been implicated as a carcinogen. Jagger et al., (1992) suggested that titanium dioxide could be used successfully as a digestibility marker in pig diets. The present study was designed to determine the digestibility of four feed ingredients for trout (prairie meal, maize distillers, soya 50 and extruded wheat) and to evaluate the use of chromic oxide or titanium dioxide as a digestibility marker in fish diets.Each test ingredient was included in a basal diet at 0, 100, 200, 300 and 400 g/kg. Titanium dioxide and chromic oxide were included in the basal diet at 1 and 3.7 g/kg respectively.

scholarly journals Bioaccumulation of metals in juvenile rainbow trout (oncorhynchus mykiss) via dietary exposure to blue mussels

Chemosphere ◽  
2017 ◽  
Vol 188 ◽  
pp. 548-556 ◽  
Author(s):  
Gillian McEneff ◽  
Brian Quinn ◽  
Matthew Bennion ◽  
Sorcha Dolan ◽  
Kathleen O'Rourke ◽  
...  
Keyword(s):  
Rainbow Trout ◽  
Oncorhynchus Mykiss ◽  
Dietary Exposure ◽  
Blue Mussels ◽  
Juvenile Rainbow Trout ◽  
Rainbow Trout Oncorhynchus Mykiss

scholarly journals No evidence of spherical microplastics (10–300 μm) translocation in adult rainbow trout (Oncorhynchus mykiss) after a two-week dietary exposure

PLoS ONE ◽  
2020 ◽  
Vol 15 (9) ◽  
pp. e0239128 ◽  
Author(s):  
Joel Kim ◽  
David G. Poirier ◽  
Paul A. Helm ◽  
Malak Bayoumi ◽  
Chelsea M. Rochman
Keyword(s):  
Rainbow Trout ◽  
Oncorhynchus Mykiss ◽  
Dietary Exposure ◽  
Rainbow Trout Oncorhynchus Mykiss

scholarly journals Antioxidant responses and plasma biochemical characteristics in the freshwater rainbow trout, Oncorhynchus mykiss, after acute exposure to the fungicide propiconazole

2011 ◽  
Vol 56 (No. 2) ◽  
pp. 61-69 ◽  
Author(s):  
Z.-H. Li ◽  
V. Zlabek ◽  
J. Velíšek ◽  
R. Grabic ◽  
J. Machová ◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Rainbow Trout ◽  
Oncorhynchus Mykiss ◽  
Control Group ◽  
Antioxidant Responses ◽  
Stress Indices ◽  
Rainbow Trout Oncorhynchus Mykiss ◽  
Plasma Enzymes ◽  
Plasma Characteristics ◽  
The Brain

In this study, the toxic effects of PCZ, a triazole fungicide present in aquatic environment, were studied in rainbow trout, Oncorhynchus mykiss, by an acute toxicity test. Compared to the control group, fish exposed to PCZ (96-h-LC50, 5.04 mg/l) showed significantly higher (P < 0.05) plasma NH3 and GLU concentration and the activities of plasma enzymes including CK, ALT, AST, LDH, but the TP content was not significantly different (P > 0.05). The oxidative stress indices (levels of LPO and CP) of brain and muscle in the experimental group were higher compared to the control group, especially for a significant change (P < 0.05) in the brain. SOD, CAT, GPx and GR activity in the brain of experimental groups was significantly lower (P < 0.05), however, an opposite tendency was found out in muscle. In addition, there are significant correlations between TBARS and CAT, TBARS and GPx, CP, and CAT, GR, and GPx in the fish brain. Thus, PCZ exposure changed the oxidative stress indices and plasma characteristics, and these changes may be used as potential bioindicators of the exposure and effect of PCZ in the controlled experiment. The use in monitoring of PCZ exposure under natural field conditions is possible, but it needs further investigations.

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