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Horse Deworming Rotation Schedule and Worm Facts

 Rotation Schedule       Information about worms

WORMER PACKS      Which Wormer Pack is Right for Your Horse?
Each pack offers protection for one 1200 lb. horse for one year.
Premium One-Year Paste Horse Wormer Pack Valley Vet Supply

Reviews Top Seller
$34.99   
 Includes the control of tapeworms in the Fall
2X Premium Apple Flavor Paste One-Year Horse Wormer Pack Valley Vet Supply

$33.99   
 Includes the control of tapeworms in the Spring and Fall
2x Premium One-Year Paste Horse Wormer Pack Valley Vet Supply

$42.49   
 Includes the control of tapeworms in the Spring and Fall

Rotation Deworming Schedule: Veterinarians recommend deworming every two months.


ROTATION TIME OF YEAR COMPOUND
1 January/February Pyrantel
2 March/April Benzimidazole
3 May/June Ivermectin
4 July/Aug Pyrantel
5 Sept/October Benzimidazole
6 November/December Ivermectin
COMPOUND PRODUCT (choose one)
Pyrantel Durvet Pyrantel
Strongid Paste
Exodus Paste
Primex
Benzimidazole Panacur Paste
Panacur PowerPac
Safe-Guard Paste
Safe-Guard Equi-Bits
Safe-Guard Power-Dose
Anthelcide EQ
Ivermectin Equimax Paste (with praziquantal)
Zimecterin Paste
Zimecterin Gold (with praziquantel)
Quest Equine Gel (Moxidectin)
Quest Plus Gel (Moxidectin with praziquantel)
Agri-Mectin Paste
Bimectin Paste

 

For Your Information: Horse Worm Facts


Pinworms Pinworms: Pinworm eggs are picked up by horses from contaminated feed, water, bedding, and may also be present on tail wraps, grooming materials, and even fence posts and stalls. The female pinworm deposits eggs around the anus, secreting a substance which can cause intense itching. This may lead to tail rubbing and even injury to the tail and rump. Washing the perianal region may help relieve the itching, but all materials used should be discarded or washed in hot water with soap. Pinworms may be difficult to diagnose in manure samples, but the eggs can usually be picked up on scotch tape pressed to the skin near the anus.
Ascarids (large Roundworms) Ascarids (large Roundworms): The adult stages of the large roundworm is found in the small intestine, where the female passes large numbers of eggs into the manure. In about two weeks, these eggs become infective and the horse picks them up while grazing. The larvae migrate into the blood vessels and are carried to the liver and lungs. The immature worms are coughed up and swallowed, maturing in the small intestine to complete the life cycle.
Bots Bots: Bots are the immature maggot stages in the life cycle of the bot fly, the adult of which resembles the honeybee in general appearance. The females lay their eggs by attaching them to the hairs of the front legs, throat, and under line. As the horse licks itself, the larvae attach themselves to the lips and tongue and burrow into these tissues. After about three weeks they attach themselves to the lining of the stomach, where they may remain for several months, causing additional damage.
Large Strongyles (Blood Worms)

Large Strongyles (Blood Worms): Adult strongyles are found firmly attached to the walls of the large intestine, where the females pass large numbers of eggs into the manure. These eggs hatch and the larvae climb blades of grass and are swallowed. The larvae then migrate to the large arteries which supply the intestines. As the artery walls are damaged, blood clots form and break away, causing colic.

Small Strongyles (Cyathostomins): Ubiquitous parasites, infecting nearly all grazing horses. Relatively mild pathogen, except when present in large numbers.

Tapeworms Tapeworms: Difficult to diagnose, it is estimated that 40% of the horses in the U.S. are affected. Tapeworms are contracted during grazing, when the horse ingests the intermediate host, a mite found on plants. Once infected, tapeworms contribute to digestive problems, colic and malnourishment. Tapeworms are often undetected using normal fecal flotation methods.
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