The following charts show features, clearances and
effectiveness of a variety of insecticide ear tags.
Each tag listed in the charts will provide up to
5 months effectiveness against horn flies and most
other pests as shown under "Clearances and Effectiveness"
when attached two per animal (one per ear)
with the exception of the Y-TEX PYthon MAGNUM tags
which are recommended at no more than
one tag per animal and effective up to 4-5 months.