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Ecotoxicological information

Toxicity to birds

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Link to relevant study record(s)

Description of key information

zinc is an essential element which is regulated throughout the food chain. It does not bioaccumulate/biomagnify. Therefore testing of long-term toxicity to birds is considered not relevant. 

Key value for chemical safety assessment

Additional information

The aim of avian toxicity tests is to provide data for secondary poisoning, if the chemical safety assessment demonstrates the need for such a study (notably relevant for substances with a potential to bioaccumulate and high mammalian toxicity). zinc is an essential element that is regulated throughout the food chain and does not bioaccumulate/biomagnify. For this reason, the potential for secondary poisoning is not considered relevant (EU risk assessment, ECB 2008), and testing of long-term toxicity to birds is considered not relevant.