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Sheep & Goat Deworming Guide

Deworming sheep and goats requires using a combination of different classes of dewormers to prevent parasitic resistance. There are three main classes - benzimidazoles, macrocyclic lactones, and imidazothiazoles - with different dewormers having effectiveness against certain parasite species. Proper equipment like a drench gun must be cleaned after each use and calibrated correctly to administer the right dewormer dose. Selective treatment of only animals showing clinical signs of parasites is important to avoid unnecessary deworming that could lead to resistance.

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Muhammad Noman
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203 views2 pages

Sheep & Goat Deworming Guide

Deworming sheep and goats requires using a combination of different classes of dewormers to prevent parasitic resistance. There are three main classes - benzimidazoles, macrocyclic lactones, and imidazothiazoles - with different dewormers having effectiveness against certain parasite species. Proper equipment like a drench gun must be cleaned after each use and calibrated correctly to administer the right dewormer dose. Selective treatment of only animals showing clinical signs of parasites is important to avoid unnecessary deworming that could lead to resistance.

Uploaded by

Muhammad Noman
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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DEWORMING

SHEEP & GOATS


UF/IFAS EXTENSION

EQUIPMENT TYPES OF DEWORMERS


There are 3 main classes of dewormers that can be used for
A drench gun is used to
sheep and goats, includingbenzimidazoles, macrocyclic
administer precise amounts of

liquid medication to livestock.


lactones, and imidazothiazoles.
Using a combination of different classes of

dewormer or switching dewormers

between treatments is highly

Drench Gun Maintenance: recommended and should be done under

Thoroughly clean after


the guidance of your veterinarian. This
each use, disassembling
practice prevents parasitic resistance.
the drench gun to clean

every piece completely. Parasitic resistance is defined as a decrease in the sensitivity


After the drench gun is of a parasite population to antiparasitic drugs.
completely dry, it can be

DEWORMER CLASS COMMON/BRAND


reassembled.
EFFECTIVENESS
Store in a sealed plastic NAMES
bag before using again. Abendazole (Valbazen) Effective against

Lubricate the O-ring Fenbendazole (Safe- tapeworms, whipworms,

and threadneck worms. Not


periodically with vegetable
Benzimidazoles Guard, Panacur)
effective against the barber
oil, mineral oil will degrade Oxfendazole (Synanthic) pole worm due to

the O-ring. resistance.

Ivermectin (Ivomec) This class of dewormers is

Eprinomectin (Eprinex) widely used, which has

Always Check: Macrocyclic Moxidectin (Cydectin) contributed to parasitic

resistance. Ivermectin has


For any broken pieces or Lactones Doramectin (Dectomax)
history of resistance.

sharp edges on the drench Moxidectin is prone to

gun. resistance when used often.

That the drench gun is


This is a smaller class of
dosing correctly and Levamisole (Prohibit)
dewormer that has shown

consistently. Imidazothiazoles to have a stimulating effect

That the drench gun is on the immune system in

some instances.
calibrated and set to the

correct dose.
An Equal Opportunity Institution.
SELECTIVE TREATMENT
The use of dewormers should be selective and
targeted. Identify animals that need treatment Body Condition

by monitoring clinical indicators. Avoid Score (BCS)

treatment when deworming isn't necessary to

prevent development of parasitic resistance.

FAMACHA score -

color of mucous

membrane to

indicate anemia

Consistency of

Bottle jaw - feces, cleanliness

Monitor your submandibular of hindquarters,

flock or herd oedema fecal egg counts

often for signs


of parasite
problems!

INTERNAL PARASITES IDENTIFICATION


FECAL
EGG
COUNT
Barber Pole Threadworm Stomach Worm
With the collection

of feces and

following of

several steps,

fecal egg counts

Black Scour Hookworm Whipworm can be conducted

with the use of a


Fecal egg counts are conducted to estimate parasite load.
microscope.
Parasite species can be identified by fecal egg identification to

select the most effective dewormer.

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