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The uncertainty of the toxic effect of stings from the Urtica nettle on hunting dogs.

This paper questions the effect of the sting from the Urtica species of nettle on hunting dogs, particularly in the US. Research in this area is limited and is reflected in the wide use of a particularly unsound literature reference on the subject. A general account is given of which types of "nettle" plant have a toxic sting, how the mechanism of the sting works, and the toxic substances it contains. The effects experienced by hunting dogs appear to represent a condition other than contact urticaria, which is normall the result of being stung by nettles (Urticas in particular). The possibility is discussed that the signs were caused by another plant, also commonly labelled a nettle, or that possibly they were caused by other than the direct stinging of soft tissues. Further research should be done on the toxic elements in the sting of Urtica chamaedryoides, indicated in some literature as the "guilty" plant.