How To Control Flies
Fly Control Blocks Available with ALTOSID® IGR
SweetPro makes supplement blocks that come standard with Altosid Insect Growth Regulator (IGR), including Mineral EX and Pasture MP.
Altosid Insect Growth Regulator is NOT an insecticide. It’s a regulator. It doesn’t kill flies, it just prevents their larvae from maturing into flies. Thus, it cuts the life cycle without flies developing a tolerance to Altosid’s s-methopene.
Economic Impact of Horn Flies
Horn flies are the most pervasive and costly external parasite of cattle in North America. They cost producers an estimated $876 million a year in losses.
Horn flies reduce average daily gain and milk production and adult flies take 20-30 blood meals per day. 500 flies is estimated at 7cc blood loss per day. Economic loss is primarily due to skin irritation.
SweetPro’s non-molasses lick blocks are the premier vehicle to deliver both the medicine and nutrients – because they do not “sag” in the summer. Heat does not make them soft or sticky.
SweetPro blocks provide effective fly control for 3 ½ to 4 cents per hd/day.
During horn fly season, without fly control, daily average gain
may be reduced by 0.25 lbs per hd/day. But an Altosid IGR (Insect
Growth Regulator) feed-thru fly control investment of $4.50 to
$5.50 per cow/calf pair for a summer feeding season will yield
returns from 6:1 to 10:1.
Benefits of SweetPro Blocks with IGR
• Controls flies which lay eggs in manure by preventing the larvae from hatching out of the manure.
• Provides an excellent feed supplement blend of protein, fat, vitamins and minerals.
• Improves digestion to maximize feed - efficiency and help maintain good animal health.
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