A comparative analysis was made between the toxicity of plant protection products to two species of quail used in regulatory testing. It was shown that in general differences in the sensitivity between bobwhite quail and Japanese quail were small, and not statistically significant. It was therefore concluded that both species should be seen as equally suitable models for avian safety assessment. The mutual acceptance of studies carried out on either of these species for US and EC registration procedures, would lead to a reduction in vertebrate sacrifice and resource spending.
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