Horse Tack Review




Daily+ Deworming Program Offers Effective Parasite Protection

Pfizer Animal Health


Pfizer Animal Health recently introduced its Daily+ Deworming program to help owners make critical decisions about creating an appropriate rotational deworming program for their horses. Incorporating daily use of Strongid® C or C 2X™ and twice-yearly use of Equimax™, the Daily+ Deworming Program offers effective, continuous equine parasite protection.

Strongid C or C 2X, administered daily, provides a continuous dose of pyrantel tartrate – effectively protecting horses against dangerous parasites such as small strongyles, large strongyles, roundworms and pinworms. Twice-yearly use of Equimax (ivermectin 1.87%/ praziquantel 14.03%) offers the additional power of ivermectin, to attack bots, and praziquantel to fight the potentially fatal danger of tapeworm infection. Using these two products not only provides protection against all major equine parasites, but also serves to simulate an all-important rotational program.

“Equine veterinarians certainly agree that rotating between chemical classes – not just brand names – is the key to an effective deworming program,” said John Donecker, VMD, MS, Senior Veterinarian at Pfizer Animal Health. “By utilizing Strongid C daily and Equimax twice yearly, horse owners are rotating between two different chemical classes and simultaneously protecting their horses from both adult parasites and immature, infective stage parasites as well.”

Immature parasites can invade the horse’s tissues in the days and weeks between administrations of a paste deworming product. While the damage they cause may not be immediately visible to a horse owner, it can have serious consequences for the long term health and wellness of the horse.

For example, migrating immature ascarid larvae move through the sensitive tissues of the liver and lungs. The liver is a fairly resilient organ, and may be able to heal itself from this invasion over time. The lungs, however, heal by scarring – damage done by migrating larvae will permanently reduce the amount of useable lung tissue the horse has to run, jump and perform throughout its life.

In addition to these infective larvae, tapeworms present a serious risk to the horse’s health. Congregating at the ileocecal junction – the meeting place of the small intestine, cecum and colon – these parasites can cause severe damage and predispose the horse to a number of dangerous colic conditions. In fact, a 1998 study published by Proudman, French and Trees, stated that 22% of spasmodic, or gas, colics were associated with tapeworms, along with 81% of ileal impactions1. Ileocecal intussusception – a potentially fatal colic – is almost always caused by tapeworm infection2.

Equimax fights tapeworms with a formulation that may be safely used in horses four weeks of age and older. Stallions and breeding, pregnant and lactating mares may be treated without adverse effects on fertility. Horse owners can use Equimax with confidence.

For more information about Equimax, Strongid C and Strongid C 2X – as well as Pfizer Animal Health’s complete line of equine products – visit the company online at www.pfizer.com/equine.

1. Proudman CJ, French NP, Trees AJ. Tapeworm infection is a significant risk factor for spasmodic colic and ileal impaction colic in the horse. Equine Vet J. (1998) 30 (3) 194 – 199.

2. The Horse, Diseases and Clinical Management. Kobluk, Ames & Geor, WB Saunders. (1995) p. 347.



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