Pasture-Mag 21 IGR Fly Control
A Nutritional Supplement Containing
(S)-Methoprene Insect Growth Regulator for
Continuous Feeding to All Classes of Beef and
Dairy Cattle through the Horn Fly Season.
Pasture-Mag 21 IGR is a supplement that is
designed to provide sufficient (S)-Methoprene
insect growth regulator to prevent the emergence
of adult horn flies from manure of treated cattle.
This unique supplement is second to none
when compared to other low moisture blocks.
Pasture-Mag 21 IGR is an exceptionally nutrient
dense all-weather block that will give you the most for
- Pasture-Mag 21 IGR supplement is fortified
with Altosid® which offers the most effective and
convenient way to control horn flies in beef and
dairy cattle. Learn more about fly control.
- Economical: A low feeding rate means lower
feeding costs (on a per head per day basis).
- High Mineral Fortification: This supplement is
mineral fortified, eliminating the need for additional
free-choice minerals, resulting in significant
- Weather Resistant: Our patented, “continuous
flow” manufacturing system creates a high quality,
low-moisture, exceptionally nutrient dense block that
maintains its integrity even in hot, humid weather or
- Minimal Labor: Pasture-Mag 21 IGR is
easy to feed. Simply place the blocks in areas of
easy access to the cattle.
- Returnable Steel Barrels are economical and
environmentally friendly and eliminate the expense
of additional feeding equipment. Ask us about other
available packaging options and package sizes.
Learn more about Grass Tetany
Learn more about Magnesium Research
For Feeding Instructions, Product Information and Guaranteed Analysis, Download The Pasture-Mag 21 IGR Product Sheet PDF!
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