BOLUS

摘要

The present invention relates to a bolus for administration to a ruminant by deposition into its rumen, wherein the bolus has a construction including: a) a casing; b) a core inside the casing wherein the core is formed from at least two tablets; and, is characterised in that a permanently amorphous substance at least partially coats one or more of the tablet or tablets. A method of forming such a bolus is also claimed.