The search for alternatives to zinc oxide
In the beginning, the use of zinc oxide in pig production was greeted with some skepticism. Ever since, the method has always remained the subject of pro and con discussions, resulting nowadays in some countries having embraced, banned or re-embraced ZnO. This overview aims to give more insight into its history – and alternatives. By Dr Ioannis Mavromichalis, international consulting nutriionist, Ariston Nutrition, Spain
Perhaps what Dr Hanne Poulsen presented back in 1989 wasn’t
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