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News and analysis on the global poultry
and animal feed industries.
Pig Nutrition / Pig Health & Disease
on July 7, 2014

Zinc, copper favor bacterial resistance

Fighting antibiotic resistance in swine production requires not only a reduction of antibiotic use, but also a better understanding of the effects of zinc and copper supplementation in pig diets.

Antibiotics have been added to pig diets for some decades. They are not only used to treat sick animals and to prevent bacterial infections, but also to enhance the performance of the animals; their growth-promoting effect has been known since the 1950s.

Antimicrobials substances have been used worldwide in large…

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