Dutch Authorities Find No Reason for Further Insecticide Probe
Researchers are conducting a broad chemical analysis to investigate a link between pesticides and mass swallow deaths. Current risk assessments may have failed to account for the substance's impact when ingested directly. The study confirms the presence of these chemicals in the birds' systems. The strength of the evidence connecting the insecticide to the mortality event is described as relatively strong. Experts are investigating the specific role of the chemical in these ecological impacts. Observed effects indicate neurological damage in the birds following exposure. Researchers are investigating whether the insecticide was used in a manner inconsistent with its intended application. Evidence suggests a strong link between the pesticide tetramethrin and mass deaths of swallows.
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Sources · 7 independent
“We wanted to know, can pesticides have played a role here? So we took a broad approach to first see... we found 648 substances.”
“We want to know, can pesticides have played such a role here? So we took a broad approach first to see. Then we processed the stomachs in the lab and analyzed them for 648 substances.”
“Toen we naar de vierde gingen analyseren, toen zagen we wel twee stoffen die ontzettend hoge concentratie hadden... permethrine en tetra metrina.”
“And then we went to look at the fourth one, so we checked on the fourth if there were possibly pesticides in it. And then, when we went to analyze the fourth, we saw two substances that had extremely high concentrations, which we did not expect in any instance. And that goes under substances permetrin and tetramethrin.”
“And then we went to look at the fourth. So we looked at the fourth to see if there were pesticides in it. And then we measured that too. And when we went to analyze the fourth, we saw two substances that had extremely high concentrations, which was not expected in any instance. And that is under substances permetrine and tetramethrin.”
“De tetrometrin is niet zo heel veel toegelaten. Zijn maar een paar producten. Per metrin is meer toegelaten, maar dan echt in de flooyemiddelen, anti-parasite, zeg maar.”
“het is ook heel aandemelijk dat de volgens het mogelijk ingearend hebben of dat het via de huis of via de veerde de dunne vogelheid is gekomen en dat ze het zo binnen hebben gekregen.”
“Ik vind dat bewijs redelijk sterk, want de effecten die we zagen duiden op neurologische...”
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