DEVICE FOR ADMINISTRATION TO RUMINANTS

摘要

A device for administering a therapeutic or nutrient substance to a ruminant over an extended period of time, comprising at least one body portion containing or comprising said substance and having a first configuration or being adapted to be arranged in a first configuration, whereby it is adapted to be administered per os so as to pass into the rumen and being adapted to change in the rumen into a second configuration which will prevent or at least hinder regurgitation of the device, whereby the device is retained in the rumen.