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Discussion on Is there anything that a Panacur Power Pack controls...

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Heidi Hocker
Member
Username: Heidih

Post Number: 170
Registered: 9-1999
Posted on Wednesday, Mar 31, 2004 - 2:44 pm:   Edit PostPrint Post

That is not controlled with one of your deworming schedules?

At the barn where I board, two horses recently lost a lot of weight very quickly and became dehydrated. The barn owner called the vet (he never came out) and he recommended giving them each a Panacur Power Pack and giving each of the other horses in the barn a single dose of Panacur.

I had just begun my Quest year (as of 2 weeks ago) with my 5 YO Arab mare. I have been rotating between Quest and Ivermectin based upon your worming schedule (except my yearly change starts in March). I resisted giving the panacur because I believed it wouldn't do anything, especially since she had just been wormed with Quest. I relented when the barn owner insisted and gave her a single dose of Panacur. There is now a 3rd horse who seems to be displaying the same symptoms as the other 2 horses and I'm worried that the barn owner will try to require everyone to give a Panacur power pack to all the horses. I honestly can't afford it right now, especially at this vet's prices.

Is there anything the power pack would do, that isn't currently controlled with the worming program I'm using?

Just for added information, the barn owner refuses to give Quest to any of the horses and is on a rotational worming schedule that inclues Strongid P, Ivermectin and Ivermectin with praziquantal and Panacure. (rotated every 2 months, she just added the Ivermectin with praziquantal once a year in Jan.). I simply don't participate and worm my horse the way you recommend. I do consistently get compliments on how good my horse's coat and condition are, which I attribute to the worming program and the fact I keep her blanketed most of the time.

Thank you for your time and letting me vent.
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Robert N. Oglesby DVM
Moderator
Username: Dro

Post Number: 10179
Registered: 1-1997
Posted on Thursday, Apr 1, 2004 - 6:54 am:   Edit PostPrint Post

It is a shame that the vet did not come out and examine these horses and run a fecal. If parasites are a problem, the vet has put a temporary bandaid on the problem and it will recur. Strongly positive fecals may have been the impetus needed for the barn manager to change to more effective parasite management.

The Panacur Power Pack will kill a build up of hypobiosed (dormant) small strongyle larvae and these larvae are resistant to other dewormers. However these dormant larvae would not likey be causing these type problems: adult parasites consuming tissues are a more likely cause.

A build up of these larvae would occur in horses that are kept on badly contaminated pastures. This can occur even in horses on regular good deworming programs if some of the other horses on these pastures are not well dewormed. The poorly dewormed horses are the source of the larvae that the well horses are exposed to. A one time or even once yearly deworming with a Power Pack will not prevent this. It requires that all horses on the pasture are dewormed effectively throughout the year to prevent pasture contamination with larvae.

The risk to your horse is best assessed by running fecals on a few of the horses in the barn on the less effective program. Ssee Care for Horses Deworming and Parasite Control Overview of Deworming on deworming for how best to do this test as a recent deworming will invalidate the results. If these are strongly positive you might consider moving your horse as your horse is exposed daily to larvae that can do damage to your horse between dewormings. All of this is explained in greater detail in the article, Overview of Deworming.
DrO
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Heidi Hocker
Member
Username: Heidih

Post Number: 171
Registered: 9-1999
Posted on Thursday, Apr 1, 2004 - 8:51 am:   Edit PostPrint Post

Thanks Dr. O

I believe I will get a fecal sample of one of my horse's paddock mates in a few weeks, just before worming is due again. If the egg count is high, I will definitely consider moving her.

I'm honestly not sure that the problem has ever been parasite overload. I believe that possibly there's a "bug" going around. The first horse affected was already looking better before the Power Pack was started and was almost back to normal within 3 or 4 days (before the powerpack was finished). The weight loss was very dramatic over about 2 - 3 days and then he's plumped back up almost as quickly. I think someone should have taken his temperature. Since he's not my horse and the barn owner can get testy when questioned, I tried to stay out of the whole situation.

The Jan. worming of all the horses was with Ivermectin w/ praziquantal, while everything was still frozen. It's just now starting to thaw out around here. Except for when there's a lot of mud, the manure is removed regularly from the paddocks and not allowed to build up. All of the manure from the whole farm is disposed of in dumpsters and hauled away by the waste management company. I'm not sure how contaminated the paddocks will be.
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Mary Rutherford
Member
Username: Caymie

Post Number: 159
Registered: 10-2002
Posted on Saturday, Jul 30, 2005 - 3:42 pm:   Edit PostPrint Post

Dr.O.,
Do you recommend the Panacur Power Pack for a horse that is on Strongid daily wormer and is given Equimax twice a year? If so, what is the best time of year to administer the Power Pack?
Thanks,
Mary
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Robert N. Oglesby DVM
Moderator
Username: Dro

Post Number: 13424
Registered: 1-1997
Posted on Sunday, Jul 31, 2005 - 11:10 am:   Edit PostPrint Post

Hello Mary,
Our recommendations for the schedule for the daily pyrantel is found in the article » Deworming Schedules » that is associated with this discussion. For more on the use of the Power Pack see the benzimadazole section of the article Care for Horses » Deworming & Parasite Control » Overview of Deworming.
DrO
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Henk H. Drenth
New Member
Username: hendrik

Post Number: 1
Registered: 5-2007
Posted on Sunday, May 13, 2007 - 5:23 pm:   Edit PostPrint Post

After we wormed our horses with "Zimectrim Gold" yesterday, can we proceed and follow up with Panacur Power Pack immediately or how long should we wait as we overlooked doing the Power Pack treatment this spring? Thank you much in advance.

Henk
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Robert N. Oglesby DVM
Moderator
Username: dro

Post Number: 18448
Registered: 1-1997
Posted on Sunday, May 13, 2007 - 7:03 pm:   Edit PostPrint Post

Welcome Henk,
We do not recommend a routine Power-Pack deworming for more on this see Horse Care » Worms, Deworming, Parasite Control » Overview of Deworming.
DrO
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Henk H. Drenth
New Member
Username: hendrik

Post Number: 2
Registered: 5-2007
Posted on Monday, May 14, 2007 - 12:06 am:   Edit PostPrint Post

May 13, 2007

Dr. O.:

Thank you for your response. However, the question was not so much if the Power Pack can be used as a routine dewormer, but more

HOW SOON WE CAN APPLY OUR one time only APPLICATION OF THE POWER PACK DEWORMER AFTER WE DEWORMED OUR HORSES YESTERDAY WITH ZIMECTRIN GOLD.

Do we need to wait 8 weeks, or can we apply the Power Pack immediately after 1 day without causes harm to our horses since they were dewormed yesterday.

The reason we want to apply the Power Pack is that we suspect our horses to have caught some worms and want to apply a total spectrum before going into the summer. (We were late in deworming our horses - our fault, but nevertheless, we'll need to fix this).

Thank you in advance for your swift response.

Henk
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Robert N. Oglesby DVM
Moderator
Username: dro

Post Number: 18454
Registered: 1-1997
Posted on Monday, May 14, 2007 - 8:33 am:   Edit PostPrint Post

There are no studies on the safety of using these two products together Henk. I have not heard of toxicity problems but to be sure I would wait four weeks.

On the other hand are you sure you are asking the right question? I find the use of the Power Pack rarely indicated, expensive, time consuming, and there have been questions of its efficacy and safety, but all this is discussed in the article I reference above.
DrO
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Cynthia Dittmar, RVT
Member
Username: ryle

Post Number: 88
Registered: 6-2004
Posted on Monday, May 14, 2007 - 5:32 pm:   Edit PostPrint Post

I know everyone thinks that the panacur powerpac is a very safe and effective way to deworm horses, however the evidence from a study published in June 2006 issue of Veterinary Parasitology showed that dosing of fenbendazole at that rate for 5 days led to severe inflammatory changes in the GI tract and even ulceration. So while it was still found to be effective, the adverse reaction associated with the use of fenbendazole in that way don't seem to me to be worth the benefit.

"In conclusion treatment with either drug was efficacious against tissue larvae of cyathostomins but there may be different clinical consequences: in contrast to MOX effects, killing of larvae due to FBZ was associated with severe tissue damage, which clinically may correspond to reactions caused by synchronous mass emergence of fourth stage larvae, i.e., may mimic larval cyathostominosis."
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