Zinc is the forming element of many enzymes and hormone,and participates in metabolism of protein,carbohydrate and lipid as well.When lack of zinc,animals exhibit inappetence,slow growth,thick and disorderly clothing hair,depiation,dry and chappy skin and unease-cure wound.Adding high dosage zinc in initial feed for sucking(2000-3000mg per kilogram feed,zinc oxidant form,breeding for 14 days);can reduce diarrhea and increase weight.

ZnSO4  H2O  94.7% min
Zn          34.5% min
Pb          20ppm Max
As           5ppm Max
Cd          30ppm Max
Pass 250um Sieve 95% min