Excessive use of trace minerals (i.e. zinc and copper) causes environmental pollution. However, the story does not have its end right there. Similarly to genes related to resistance to antibiotics, it has been observed that bacteria also develop resistance/tolerance to such minerals.
As a consequence, we have to (not must) reduce their use. It is not easy at all, of course.
Thinking about solutions, why not to include an specific line of incentives within that existing related to environmentally-friendly production systems? This could be a measure to reward/encourage the implementation of more sustainable practices. In case that environmental protection is still not enough, such increasing resistance/tolerance to minerals and their consequences for human health should justify the existence of specific incentives; at least during the first years of transition, while science and technicians get used to manage under new rules.
What are your views?
The EU has lowered the allowed amounts of Cu in swine feed already decades ago. The european farmers are thus already accustomed to realistic Cu levels in swine feed.
Dear Kees,
The European Union is again thinking of reducing Zinc and Copper levels. Moreover, other countries are moving forward this trend.
A.J. I agree with you. I think agricultural subsidies or incentives will help. Even though the EU has reduced Cu and Zn levels, i don't think they are the only trace elements. Therefore if your idea is taken up, it will really do some good; provided there's no interference from the people who started the project in the first place.
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