Pre-Assessment of Environmental Impact of Zinc and Copper Used in Animal Nutrition

Monteiro, Sara C.; Lofts, Steve ORCID:; Boxall, Alistair B.A.. 2010 Pre-Assessment of Environmental Impact of Zinc and Copper Used in Animal Nutrition. Parma, Italy, European Food Safety Authority, 325pp. (CEH Project Number: C03670)

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Copper and zinc are routinely used as additives in feed for livestock and aquaculture farming. During their use as feed additives, it is inevitable that Cu and Zn will be released to the environment. This project therefore assessed the environmental impact of Cu and Zn arising from use as additives in feed for livestock and aquaculture animals. The environmental risks of Cu and Zn arising from aquaculture were assessed using simple exposure models recommended by EFSA. Predicted concentrations were below predicted no effect concentrations (PNEC), indicating that the use of both metals in feed additives for fish poses an acceptable risk to the environment where these types of facility exist. A more complex modelling approach was used for assessing the risks of inputs of Cu and Zn from livestock treatments using the Intermediate Dynamic Model for Metals and soil/agriculture and water chemistry scenarios relevant for a range of European Member States. Overall, the livestock evaluations indicated that environmental risks for Cu and Zn are acceptable at the current time but in the future risks could occur in some systems. The systems most vulnerable to metal input in manure were acid sandy soils. The distribution of these scenarios within Europe is largely in Flanders, the Netherlands, northwestern Germany and Denmark. There is a clear need to better establish whether such soils are as sensitive to metal inputs as is predicted here. Since problems of high metal concentrations in drainflow and runoff, once established, would be difficult to remediate, it is important to proactively assess soil sensitivity before setting policy on manure application.

Item Type: Publication - Report
Programmes: CEH Topics & Objectives 2009 - 2012 > Biogeochemistry > BGC Topic 3 - Managing Threats to Environment and Health > BGC - 3.2 - Provide the evidence base for setting Environment Quality Standards ...
UKCEH and CEH Sections/Science Areas: Shore
Funders/Sponsors: European Food Safety Authority
NORA Subject Terms: Ecology and Environment
Date made live: 25 Aug 2011 15:05 +0 (UTC)

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