date:May 13, 2014
catalytic, structural, or regulatory cofactor.
A critical review of:
(i) the zinc requirements of food-producing and pet animals,
(ii) the zinc concentration of feed materials and
(iii) the calculated background zinc concentration of complete feed supports the possibility of a considerable reduction of the currently authorised maximum concentration for total zinc in feed.
The FEEDAP Panel developed, based on an approximation using zinc requirements and background data, potential new maximum c