IMPROVED EXTENDED-ACTION TILMICOSIN AND USE THEREOF IN TREATMENT OF BOVINE RESPIRATORY DISEASE COMPLEX (BRD) AND IN DRY COW PERIOD

摘要

The invention relates to an improved long-acting or extended-release tilmicosin formulation comprising: tilmicosin phosphate in a concentration between 35 and 50% by weight of the total composition; a first co-solvent in a concentration between 8 and 20% by volume, said first co-solvent being propylene glycol; a second co-solvent in a concentration between 5 and 15% by volume, said second co-solvent being ethyl alcohol; and an emulsifier in a concentration between 1.5 and 15% by weight of the total composition, said emulsifier being poloxamer. The invention also relates to the method for producing said improved long-acting tilmicosin formulation.

主权项

1. A new tilmicosin formulation having the formulawherein said tilmicosin has been formulated for improved extended action or release.