Question about wormers and the different bases
 
 

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Question about wormers and the different bases

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  • Which wormers are oxibendazole-based
  • Is fenbendazole the same as oxibendazole

 
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    11-11-2010, 10:49 PM
  #1
Pro
Weanling
Question Question about wormers and the different bases

There are 5 different bases that I can find (besides Moxidectin-Based Wormers). Fenbendazole-Based Wormers, Oxibendazole-Based Wormers, Ivermectin-Based Wormers,Praziquantel, and Pyrantel Pamoate-based Wormers.

I know your supposed to rotate between the different bases, but is there a certain time of the year when each one should be used? And what does each base do?


Thank You!
     
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    11-11-2010, 11:13 PM
  #2
Started
Yes there is a certain time of year that each type should be used. I would go to Deworming Program Paste Wormer Rotation Schedule and take a look at that. Keep in mind that different areas have different worming needs. In Southern California, horses that have been in So Cal for a while generally have few problems with worms because we generally don't have grass pastures, and our seasons are very different from places in the mid-west for example. I would talk with your veterinarian as well, or do more research online for your specific area, and see when what worms are active.
     
    11-12-2010, 12:01 AM
  #3
Green Broke
Oxibendazole and Fenbendazole dewormers are worthless for adult horses. You have to use them in a "power pack" style to do any good, which is 5 days in a row of double the dose everyday. I never used them.

Pyrantel dewormers are only moderately effective. I use them in my rotation twice a year, at a double dose. At the double dose rate, they will kill off some tapeworms as well.

Ivermectin and Moxidectin dewormers are the best and most effective. Both kill bot larvea, which is important. They also kill roundworms, pinworms, and threadworms. Those with the added ingredient of Praziquantel will kill off tape worms as well, and are very effective. I use Ivermectine + Praziquantel in the fall and Moxidectin + Praziquantel in the spring.

To help prevent parasites, pasture management should be closely regulated and the horse's diet should be high in Copper and Zinc, to help them fight internal parasites on their own. I buy a customized vit/min supplement based on hay analysis that has added copper and zinc.
     
    11-12-2010, 11:12 AM
  #4
Foal
Quote:
Originally Posted by luvs2ride1979    
Oxibendazole and Fenbendazole dewormers are worthless for adult horses. You have to use them in a "power pack" style to do any good, which is 5 days in a row of double the dose everyday. I never used them.

Pyrantel dewormers are only moderately effective. I use them in my rotation twice a year, at a double dose. At the double dose rate, they will kill off some tapeworms as well.

Ivermectin and Moxidectin dewormers are the best and most effective. Both kill bot larvea, which is important. They also kill roundworms, pinworms, and threadworms. Those with the added ingredient of Praziquantel will kill off tape worms as well, and are very effective. I use Ivermectine + Praziquantel in the fall and Moxidectin + Praziquantel in the spring.

To help prevent parasites, pasture management should be closely regulated and the horse's diet should be high in Copper and Zinc, to help them fight internal parasites on their own. I buy a customized vit/min supplement based on hay analysis that has added copper and zinc.
I have been doing some "before and after" fecal testing on my mare who tends to carry a heavy worm load. I am in total agreement with loves2ride. The "bendazoles" had little to no effect on her worm load.

I'm no expert but the research I have done is in total agreement with your advice. Last spring I used Moxidectin on her but because of the risks I am thinking of doing the "powerpak" instead next spring.
     
    11-12-2010, 12:36 PM
  #5
Pro
Weanling
Quote:
Originally Posted by rkwells    
I have been doing some "before and after" fecal testing on my mare who tends to carry a heavy worm load. I am in total agreement with loves2ride. The "bendazoles" had little to no effect on her worm load.

I'm no expert but the research I have done is in total agreement with your advice. Last spring I used Moxidectin on her but because of the risks I am thinking of doing the "powerpak" instead next spring.
Do the fecal tests show EVERYTHING the horse may have?

I have thought about doing this, but if it it something is left out, then me just rotating through the 5 bases each year would be good enough. Right?

Thanks everyone!
     
    11-12-2010, 02:48 PM
  #6
Yearling
Quote:
Originally Posted by Pro    
Do the fecal tests show EVERYTHING the horse may have?

I have thought about doing this, but if it it something is left out, then me just rotating through the 5 bases each year would be good enough. Right?

Thanks everyone!
no, they don't show everything and they are not 100% accurate either. They are very useful in the right deworming program. Your vet can give you a good program based on your area, housing situation and horse's medical history. Just call them up or swing by. It should be free information and will be tailored to your situation which is the best way to go about parasite control.
     
    11-12-2010, 04:07 PM
  #7
Trained
Mectins are one group - Ivermectin, Abamectin, Moxidectin - All are lumped togather and worms become resitant to the whole group.

Azoles are another - Oxfendazole, oxbendazole, fenbendazole. These are generally only used for encysted strongyles as a five day double dose stomach tube. Where they are very effective. Normal worming? Not so much.

Then there are are the BZ's. I can only think of Benzimidazole at the moment. By itself, pretty useless - but add something like tetrahydropyrimadine and it brings it's kill rate up in line with the mectins, making it a fantastic rotational wormer.

Praziquantal is an ingredient that nabs tapeworm - So it is often added to Mectins to get Tapeworm.

Here in Aus we reccomend you do a year on mectin wormers, then a year on Strategy T which is a BZ + Tetra... whatever. Our best rotational wormer. It doesn't do bots, so you add in two mectin wormer at I think the end of Autumn and start of spring.
     

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