Virbamec® Oral is a highly effective oral ML drench for sheep. It contains abamectin which is a short
acting highly potent member of the ML drench family. Abamectin is the reference molecule for the
WHAT IS VIRBAMEC® ORAL?
Virbamec® Oral is the responsible macrocyclic
lactone (ML) drench.
✔ Contains abamectin
✔ Controls all susceptible roundworms
✔ Highly potent
✔ Short acting
✔ Delays resistance
✔ Contains selenium
WHY CHOOSE VIRBAMEC® ORAL?
ivermectin potency versus abamectin showed
abamectin controlling 100% versus ivermectin with
85% effi cacy.
1. CONTAINS ABAMECTIN
4. SHORT ACTING
Abamectin is a short acting, highly potent member
of the ML family of drenches. Researchers
Until now, popular thought has suggested that
suggest that abamectin differs from ivermectin
persistence is a desirable trait in a drench.
and moxidectin enough for it to be considered a
Some drenches have even promoted their longer
third alternative within the ML family of drenches.
persistence as a benefi t. But there is a sting in the
Abamectin is the drench of choice to ensure
tail – persistence breeds resistance. A drench with
effective worm kill to susceptible worms due to its
persistence increases the selective pressure for
high potency and delay the onset of resistance due
resistance because it continues to kill susceptible
to its short acting nature.
worms whilst allowing resistant worms to
reproduce. A shorter acting drench like abamectin
2. CONTROLS SUSCEPTIBLE ROUNDWORMS
does not do this.
Will control all major internal parasites that are
5. DELAYS RESISTANCE
susceptible to an ML drench. These include barber’s
pole, large stomach worm, small brown stomach
A recent study showed that resistance developed
worm, stomach hair worm, black scour worm, small
much more slower to abamectin than it does to
intestinal worm, thin necked intestinal worm, large
ivermectin and moxidectin. This is a great attribute
mouthed bowel worm, nodule worm, large bowel
as it allows abamectin to be used for a longer period
worm, whipworm, intestinal threadworm, and large
of time on a property before resistance develops.
lungworm. These worms reduce overall productivity
Ivermectin developed resistance 25 times quicker
especially in young animals. Weight gains can be
than abamectin whilst moxidectin developed
reduced by up to 20% and wool growth can be
resistance 4 times quicker.
affected signifi cantly.
6. CONTAINS SELENIUM
3. HIGHLY POTENT
An aid in controlling selenium defi ciencies in
Abamectin has been shown to be more potent
sheep. Selenium defi ciencies and poor nutrition
against worms than ivermectin. In a trial where
can increase the effect a worm burden can have on
oral ivermectin only controlled 42% of ML resistant
the fl ock. Other problems associated with selenium
Ostertagia circumcincta, abamectin controlled
defi ciency are reduced growth rate (in wool and
greater than 95%. Another trial comparing
meat), reduced immunity to worms, and greater
susceptibility to other infections.
WHEN TO USE VIRBAMEC® ORAL
round worms. For quarantine drenching Alben® (white),
Levamisole Gold® (clear), and DuoCare® (white/ clear)
should also be used with Virbamec® Oral.
1. VIRBAMEC® ORAL IS THE IDEAL DRENCH TO
USE AS THE ML DRENCH IN YOUR ROTATION
The combination of being a highly potent and short
HOW TO USE VIRBAMEC® ORAL
acting chemical gives effective control on susceptile
worms and helps delay resistance compared to a
1. ROTATE VIRBAMEC® ORAL
longer acting chemical.
Rotate with other drenches that offer control on
USING AN ML AS THE FIRST SUMMER DRENCH
your property. To delat the onset of resistance it is
The fi rst summer drench should give the most control
important to rotate drenches on your property.
possible. Abamectin is more potent than ivermectin
2. VIRBAMEC® ORAL IS A HIGHLY POTENT DRENCH.
and hence is a much better choice of drench for the
It should be used in stock that require effective
fi rst summer drench.
roundworm control against a broad spectrum of worms.
IN COMBINATION WITH OTHER DRENCHES
For those properties wanting to use a combination
product the best combination would use abamectin
To be sure a drench is effective on your property a
as its ML. By using Virbamec® Oral with DuoCare® you
drench test should be conducted every 2 years. This is
have a highly effective - short acting combination of
an essential management tool as the most expensive
drench used on your property is the drench that does
AS A QUARANTINE DRENCH IN CONJUNCTION
WITH ALL OTHER DRENCH CLASSES
Virbamec® Oral should be used as the ML component
of the quarantine drench. This provides a broad
spectrum of control and will control all susceptible
QUICK REFERENCE GUIDE
Treatment and control of all major gastrointestinal
roundworms in sheep. An aid in controlling selenium defi ciencies in sheep.
RECOMMENDED FOR USE IN:
Sheep of all ages that have worms susceptible to
abamectin. Sheep younger than 12 months of age should be treated with Firstmectin SE.
Selenium can have toxic effects, particularly in sheep with liver damage that graze plants that
Virbamec® Oral is given orally at the recommended
contain pyrrolizidine alkaloids are prevalent.
Do not drench in marking or mulesing cradles due
Dose the mob according to the heaviest animal by
to the increased risk of aspiration into the lungs.
Store below 30 degrees Celsius (room temperature)
• Milk: Do not use in dairy breeds of sheep.
POISON SCHEDULE: S6
For more information visit www.virbac.com.au or contact Customer Support on FREECALL 1800 009 847
ABN 77 003 268 871
a quick guide to symptoms , treatment and prevention Healthy Respect @ Lothian NHS Board NHS Lothian, Deaconess House, 148 Pleasance Edinburgh EH8 9RS Tel 0131 536 9454 Email [email protected] www.healthy-respect.com C aught Chlamydia? You have been diagnosed with an infection called Chlamydia. At your appointment today you willhave been given a lot of
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