Stable biocidal compositions

摘要

Disclosed is a storage stable anthelmintic liquid composition comprising or including: A particulate substance suspended or suspendable in an aqueous phase, the aqueous phase also containing levamisole and having a pH of less than 6; and A macrocyclic lactone anthelmintic partitioned from the aqueous phase and carried in a non aqueous environment of phase. The particulate substance may be a biocide such as a benzimidazole or a non biocidal or inert substance.