Device for administration of beneficial materials to ruminants

Details Device for administration of beneficial materials to ruminants Device for administration of beneficial materials to ruminants

1996-03-19

1998-02-24

Phelan, D. Gabrielle

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Specially adapted for ruminant animal

424464, 424468, A61F 902

Patent

active

057209723

ABSTRACT:
The invention described is a bolus for the controlled release of a beneficial agent in the rumen of a ruminant animal. The bolus consists in a core containing a binder, solubilising agent, the beneficial agent to be released and, when required, a densifier. The core is coated with a wax coating, preferably with an opening exposing a small part of the core to rumen juices. The core is gradually dissolved releasing the beneficial agent. As the core dissolves the wax coating erodes until the bolus disappears completely.

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