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

A - Human Necessities

61

K

A61K 9/22 (2006.01) A23K 1/16 (2006.01) A23K 1/18 (2006.01) A61K 9/00 (2006.01)

Patent

CA 2181693

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 crodes until the bolus disappears completely.

Bol permettant la libération régulée d'un agent utile dans le rumen d'un animal ruminant. Le bol est constitué d'un noyau renfermant un liant, un agent de solubilisation, l'agent utile à libérer et, le cas échéant, un densificateur. Le noyau est enrobé de cire dans laquelle on aura de préférence ménagé une ouverture afin que les sucs du rumen viennent au contact d'une petite partie du noyau. Le noyau se dissout progressivement et libère l'agent utile. A mesure que le noyau se dissout, la cire d'enrobage se désagrège jusqu'à ce que le bol disparaisse entièrement.

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