Acute effects of glyphosate herbicide on metabolic and enzymatic parameters of silver catfish (Rhamdia quelen)

Quantitative Determination of Lethal Concentration Lc50 of Atrazine on Biochemical Parameters; Total Protein and Serum Albumin of Freshwater Fish Grass Carp (Ctenopharyngodon idella)

“…So from this we concluded that in the present study when fish were exposed to atrazine doses for acute toxicity we observed a decrease in protein concentrations compared to the control group because the protein was converted to glucose by the process of gluconeogenesis. On the other hand, in silver catfish Rhamdia quelen were observed to have increased levels of protein, which is in disagreement with our results [55].…”

Time-Effect Relationship of Toxicity Induced by Roundup® and Its Main Constituents in Liver of Carassius Auratus

“…The inhibition of AChE causes an accumulation of acetylcholine in the synapse, which therefore AChE cannot function in a normal way [10]. Glusczak et al [11] reported that Rhamdia quelen showed significant reduction in AChE activity after exposed to Roundup®.…”

Effects of Herbicide Glyphosate and Glyphosate-Based Formulations on Aquatic Ecosystems

“…However, much lower concentrations of Roundup ® have shown to cause effects in the biometry, metabolism and enzyme activities of fish. For instance, Glusczak et al (2007) reported a significant decrease in AChE activity (enzyme presents in cholinergic synapses and motor end plates) and TBARS levels (a measure of oxidative stress) in the brain of silver catfish Rhamdia quelen exposed to 0.2 and 0.4 mg/L. Besides, significant reduction in the biometry of Piava Leporinus obtusidens was observed in treatments with 1 mg/L, eliciting a reduction of length (15%) and weight (50%) (Salbego et al, 2010).…”