Products Used to Treat and Control External Parasites in Livestock

When using pesticides, read the labels carefully and follow directions and safety precautions. Never use pesticides inconsistent with the label. Record all pesticide usage. Never apply pesticides closer to slaughter dates than the number of days listed on the label. Avoid treatment to animals that are sick, overheated or stressed. DO NOT apply insecticides to lambs less than 3 months old, and use light applications on lambs 3 to 6 months old. water. Avoid contamination of feed, mangers, water, milk and milking equipment. Store pesticides in the original, labeled containers, safely locked away from children, pets and livestock.

Trade Name Active Ingredient Product Type Approved Species Label Use Labeled Dosage Withdrawal Time

Insecticides

BackSide™and BackSide™Plus 1% Permethrin & 1% Piperonyl Butoxide Pour-on
Spray
Ready-to-use
Beef cattle
Horses
Sheep
Premises
sheep keds and lice
horn and face flies
horse and house flies
mosquitos, black flies
1/2 oz/100 lbs.
max 5 oz for cattle
and 3 oz for sheep
Do not treat more than every 2 weeks.

0 days slaughter
0 days milk discard

Boss® 5%  permethrin Pour-on Beef cattle
Dairy cattle
Sheep and Goats
Horn flies, face flies
lice, and keds
1.5 ml/100 lbs.
18 ml maximum for sheep
0 days slaughter
0 days milk discard
Catron IV  permethrin Aerosol Beef cattle
Horses
Swine
Sheep and Goats
maggots
screwworms
ear ticks
face flies
One can will treat 1-10 animals depending upon severeity of fly-strike.  5 days slaughter swine
Co-Ral® coumaphos Spray or dip cattle, horses
poultry
sheep, dogs
premise
maggots
keds
lice
   15 days slaughter
CyLence® 1% Cyfluthrin Pour-on
Ready-to-use
Beef cattle
Dairy cattle
horn flices
face lies
biting and sucking lice

8 ml for flies
16 ml for lice

Effective for 3 weeks

 0 days slaughter
Diazinon diazinon concentrate
spray
cattle
swine
sheep
Do not use on goats
premises
horn flies, face flies
ticks
keds, lice
4 oz/25 gal water for low pressure spray; 2 oz/25 gal water for high pressure spray 14 days slaughter
Ectiban ®-EC  5.7% permethrin concentrate
Pour-on or spray
Beef cattle
Dairy cattle
Horses
Sheep and Goats
premises

horn flies, face flies
stable flies, house flies
mange, lice, ticks

For horn flies, use spray method
For mange, lice, ticks, etc., thoroughly wet the animal
 0 days slaughter
Ectrin® permethrin Pour-on Beef cattle
Non-lactating dairy cattle
Sheep
Do not treat lactating goats
lice
keds
ticks
For sheep:
1/4 oz./50 lbs (up to 3 oz)
pour along back line over neck, shoulders and rump
Residual activity for 28 days
2 days
Expar® permethrin concentrate
pour-on
spray
Beef cattle
Non-lactating dairy cattle
Sheep
lice, flies
fleas, mites
For sheep:
1/4 oz./50 lbs (up to 3 oz)
pour along back line over neck, shoulders and rump
Residual activity for 28 days
0 days
Gardstar® 40% EC 40% permethrin concentrate

livestock
horses
premises
Do not use on cats!

 horse, house, stable,
black flies, mosquitos,
eye knats, mange mites,

ticks, lice, fleas

1-2 oz per animal  0 days slaughter
Permethrin 1.0%   1% permethrin Pour-on Beef cattle
Non-lactating dairy cattle
Sheep
lice, flies
fleas, mites
For sheep:
1/4 oz./50 lbs (up to 3 oz)
pour along back line over neck, shoulders and rump
Residual activity for 28 days
 0 days slaughter
0 days milk discard
Permethrin 1.0% Synergized  permethrin- synergized Pour-on Beef cattle
Non-lactating dairy cattle
Sheep
lice, flies
fleas, mites
keds
For sheep:
1/4 oz./50 lbs (up to 3 oz)
Treat after shearing
0 days slaughter
0 days milk discard
Permethrin 10% 10% permethrin   Pour-on Beef cattle
Non-lactating dairy cattle
Sheep
Premise use
lice
flies
keds
Not effective for grub control
For sheep:
1/4 oz./50 lbs (up to 3 oz)
pour along back line over neck, shoulders and rump

 0 days slaughter
0 days milk discard

Permethrin™II 10% permethrin   Pour-on
Spray
Dip
Beef cattle
Non-lactating dairy cattle
swine, horses, poultry
dogs, sheep
Premise use

flies, fleas, lice
mites, ticks (including deer ticks)
Aids in control of cockroaches, mosquitoes, and spiders.

30 day residual effect  5 days swine slaughter
Python™Dust .075%
zeta-cypermethrin
Dust cattle
horses
sheep and goats

horn, face, and stable flies;
lice, keds

2 oz. per animal 0 days slaughter
0 days milk discard
Synergized DeLice
 permethrin -synergized Pour-on or spray
Ready-to-use
Beef cattle
Non-lactating dairy cattle
Sheep
Premises
face flies
stable flies
house flies
sheep keds and lice
Pour along back
8 cc per 50 lbs.
After shearing
0 days withdrawal
Taktic® EC 12.5% Amitraz  Concentrate

Beef cattle
Dairy cattle
Swine

Do not use on
horses or dogs!

ticks
mange mites
lice

cattle 1 qt/100 gal.
swine 1 qt/50 gal.
thoroughly soak animals
2 treatments 7-10 days apart

 
3 days slaughter
Ultra Boss® 5% permethrin and 5% piperonyl butoxide  Pour-on

Beef cattle
Dairy cattle
Sheep

Horn flies, face flies
lice, and keds
3 ml per 100 lbs.  0 days slaughter withdrawal
0 days milk discard

Anthelmintics that control external parasites

Cydectin® 0.5% pour-on Moxidectin topical Beef cattle (not veal)
Dairy cattle
cattle grubs
horn flies
mites, lice
5 ml/110 lbs. 0 days cattle slaughter
0 days milk
Cydectin® injectable Moxidectin Sub-Q injection Beef cattle
non-lactating dairy
cattle grubs
horn flies
mites, lice
5 ml/110 lbs. 21 days cattle slaughter
Cydectin® Oral Drench for sheep Moxidectin oral

Sheep
not dairy sheep

not labeled in U.S. for control of external parasites in sheep 1 ml/11 lbs. 7 days sheep slaughter
Dectomax® Doramectin pour-on and
injectable
Cattle
Swine
grubs
sucking lice
mange mites
1 cc/110 lbs.

 45 days slaughter cattle (pour-on)
35 days slaughter cattle (injectable)
24 days slaughter swine (injectable)

Ivomec® 1% injection Ivermectin injectable Cattle
Swine
sucking lice
mange mites (scabies)
grubs
1 ml/110 lbs.  35 days slaughter cattle
18 days slaughter swine
not established for milk
Ivomec® Sheep Drench
0.8% solution
Ivermectin oral

Sheep

larval stages of nasal bot 3 ml/26 lbs.  11 days slaughter sheep
Do not use on dogs!

Last updated 17-Jul-2010 by Susan Schoenian.

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