| 摘要 |
A metal alloy comprising, by weight of the total weight of the alloy: (a) at least 50wt% of zinc; (b) from 30 to 49wt% of magnesium; and (c) up to 6wt% of copper, and a bolus comprising such an alloy, as well as the use of this alloy in the preparation of a medicament for the treatment or prevention of facial eczema, foot rot or hypomagnesaemia in an animal. |
