Effects of the parasiticide ivermectin on the structure and function of dung and soil invertebrate communities in the field (Madrid, Spain)

Römbke, Jörg; Coors, Anja; Alonso, Álvaro; Förster, Bernhard; Fernández, Carlos; Jensen, John; Lumaret, Jean‐Pierre; Cots, Miguel Angel Porcel; Liebig, Markus

doi:10.1016/j.apsoil.2010.05.004

Cited by 53 publications

(42 citation statements)

References 36 publications

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“…There are few quantitative toxicity data for springtails exposed to ivermectin under field conditions. In a field study performed in central Spain, no ivermectin‐related effects on springtails were found, probably because of the very low ivermectin concentrations in soil (0.005 mg ivermectin/kg dry wt soil in the uppermost 2 cm, and <0.002 mg ivermectin soil dry wt in the 2–5 cm soil layer) . At the same time, dung organisms were seriously affected, and there was also a significant delay in dung degradation.…”

Section: Discussionmentioning

confidence: 98%

Nontarget effects of ivermectin residues on earthworms and springtails dwelling beneath dung of treated cattle in four countries

Scheffczyk

Floate

Blanckenhorn³

et al. 2016

Enviro Toxic and Chemistry

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The authorization of veterinary medicinal products requires that they be assessed for nontarget effects in the environment. Numerous field studies have assessed these effects on dung organisms. However, few studies have examined effects on soil-dwelling organisms, which might be exposed to veterinary medicinal product residues released during dung degradation. The authors compared the abundance of earthworms and springtails in soil beneath dung from untreated cattle and from cattle treated 0 d, 3 d, 7 d, 14 d, and 28 d previously with ivermectin. Study sites were located in different ecoregions in Switzerland (Continental), The Netherlands (Atlantic), France (Mediterranean), and Canada (Northern Mixed Grassland). Samples were collected using standard methods from 1 mo to 12 mo after pat deposition. Ivermectin concentrations in soil beneath dung pats ranged from 0.02 mg/kg dry weight (3 mo) to typically <0.006 mg/kg dry weight (5-7 mo). Earthworms were abundant and species-rich at the Swiss and Dutch sites, less common with fewer species at the French site, and essentially absent at the Canadian site. Diverse but highly variable communities of springtails were present at all sites. Overall, results showed little effect of residues on either earthworms or springtails. The authors recommend that inclusion of soil organisms in field studies to assess the nontarget effects of veterinary medicinal products be required only if earthworms or springtails exhibit sensitivity to the product in laboratory tests. Environ Toxicol Chem 2016;35:1959-1969. © 2015 SETAC.

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Section: Discussionmentioning

confidence: 98%

Nontarget effects of ivermectin residues on earthworms and springtails dwelling beneath dung of treated cattle in four countries

Scheffczyk

Floate

Blanckenhorn³

et al. 2016

Enviro Toxic and Chemistry

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“…Floate 1998a; Rodríguez‐Vivas et al 2019). Römbke et al (2010) state that the attraction can occur when acetone is used as a solvent in studies that use dung spiked with ivermectin. However, we observed the same effects with alternative application formulations.…”

Section: Discussionmentioning

confidence: 99%

Implications of Endectocide Residues on the Survival of Aphodiine Dung Beetles: A Meta‐Analysis

Finch

Schofield

Floate

et al. 2020

Enviro Toxic and Chemistry

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It is often difficult to compare studies examining the effects of endectocides on dung fauna because of different experimental approaches, for example, active ingredients (eprinomectin, doramectin, ivermectin, moxidectin) and formulations (injectable, pour‐on, spiked). To gain a better understanding, we performed a quantitative meta‐analysis using 22 studies to assess the overall effect of endectocide residues on the occurrence (presence or absence) and abundance of aphodiine dung beetles. Our results document a positive effect on the occurrence of adult beetles, indicating that adults tend to be attracted to dung with residues. Conversely, larvae are less likely to occur in the presence of residues. Thus, either adults that colonize dung with residues do not lay eggs or, more likely, the larvae that hatch from these eggs die early in development. Abundance of adult and larval stages was shown to be significantly reduced in dung containing residues. When individual endectocides were compared, only ivermectin demonstrated a significantly negative effect on the abundance of both adults and larvae, possibly owing to a small sample size for other agents. In laboratory studies, only dung “spiked” with endectocides reduced the abundance of larvae, whereas during field research, only pour‐on applications were shown to reduce the abundance of larvae. The present study further documents the nontarget effects of endectocide residues on dung‐dwelling organisms, provides robust evidence on the consequences of different application methods, and emphasizes the need for standardized methodological techniques in future studies. Environ Toxicol Chem 2020;39:863–872. © 2020 SETAC

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“…Diptera larvae were present in significantly higher numbers in untreated cowpats across sward structures. This finding is supported by many researchers (Lumaret et al ., ; Suarez et al ., ; Floate, ; Römbke et al ., ), with some studies reporting that ivermectin residues eliminate certain dung‐dwelling Diptera (Madsen et al ., ; Strong & Wall, ). It is possible that the low number of Diptera larvae recovered from treated cowpats was a consequence of mortality, as Diptera larvae of the suborder Cyclorrhapha are highly sensitive to ivermectin residues (Lumaret & Errouissi, ; Floate et al ., ), although species of the suborder Nematocera are largely unaffected (Floate et al ., ).…”

Section: Discussionmentioning

confidence: 99%

Effects of ivermectin residues on dung invertebrate communities in a UK farmland habitat

Sutton

Bennett

Bateman

2013

Insect Conserv Diversity

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Ivermectin is a broad‐spectrum antiparasitic drug, routinely administered to livestock worldwide, and concerns have been raised about its impacts on non‐target dung fauna and pasture systems. This study reports the effect of sward structure (long sward, short sward, or bare ground) on ivermectin persistence and cowpat colonisation by invertebrates, during an on‐farm experiment in the United Kingdom. The levels of ivermectin in cowpats were high [21 899 μg kg−1 (dry weight) 1 day after treatment with a pour‐on formulation] and remained detectable throughout the 47‐day trial. Residue breakdown occurred, but levels persisted above those lethal to some invertebrates. Sward structure had no significant effect on ivermectin levels. Ivermectin residues affected cowpat colonisation. Diptera were present in significantly lower numbers in treated cowpats. Coprophagous Coleoptera were less affected by ivermectin residues, although some species were present in significantly higher numbers in treated cowpats in the long sward environments. The non‐target effects of pesticides are currently of concern to policy makers. The results of this research add further weight to these concerns, particularly with regard to the duration for which ivermectin persists in situ in UK pasture, and because of the preferential attraction to treated cowpats exhibited by coprophagous Coleoptera.

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Effects of the parasiticide ivermectin on the structure and function of dung and soil invertebrate communities in the field (Madrid, Spain)

Cited by 53 publications

References 36 publications

Nontarget effects of ivermectin residues on earthworms and springtails dwelling beneath dung of treated cattle in four countries

Nontarget effects of ivermectin residues on earthworms and springtails dwelling beneath dung of treated cattle in four countries

Implications of Endectocide Residues on the Survival of Aphodiine Dung Beetles: A Meta‐Analysis

Effects of ivermectin residues on dung invertebrate communities in a UK farmland habitat

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