Worm Underdose....what do I do now??
 
 

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Worm Underdose....what do I do now??

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  • Underdosed wormer
  • Is quest plus safer than a power pack for deworming a never wormed horse

 
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    05-25-2010, 12:10 PM
  #1
Green Broke
Unhappy Worm Underdose....what do I do now??

Recently I started this thread Why is my beautiful horse doing this to himself?? and on suggestion I called up Cinny's old owner to find out about worming rotations, etc to see if worms could be the cause. Everything seemed up and up with her worm schedule from the timing to the types of wormers. But then....

I remembered that when she measured Cinny with me there with her horse measuring tape, she didn't seem to be measuring right. I didn't think anything about it at the time. When I got him I measured his weight with my tape and came out at 950...but then we took him to an actual scale at the co-op and he weighed 1050. So I was about 100 pounds off. And now I'm thinking, his old owner was measuring wrong so...I called her again and asked how much she last measured his weight being. She said around 800. SAY WHAT????

So she's been giving him a dose for 800 pound horse when he is 1040.....I am really worried that he now has resistant parasites. In your opinion, what is my best course of action in this. Should I just send off a stool sample (I found smart pack has a kit you can do this with), or should I get a vet out and do the whole sha-bang? After purchasing him, and tack, and trainers etc this month I am TIGHT in the pocket, but I really want to do good by him so I need some feedback to make sure that I am not letting my pocketbook rule my decision.
     
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    05-25-2010, 12:18 PM
  #2
Showing
When was the last time he was wormed?

You can double dose with ivermectin, if you're worried about it. You can also do a Power Pack if you're more than mildly concerned.

Does the horse look wormy? Is his weight bad? Is his coat dull? Does he excessively rub his tail?

If you answered 'no' to all of these questions, he's probably not loaded with worms.

Seriously, if I spent money on all the junk these places tell us we MUST HAVE OR WE'RE NOT CARING HORSE OWNERS, I wouldn't be able to feed mine.
     
    05-25-2010, 01:07 PM
  #3
Green Broke
I'd go with a double dose of Pyrantel Promate now (two full tubes) and then a regualr dose of Quest Plus in 4-6 weeks. That should clear out any parasites and you can either use the rotational method or the fecal test method after that.

It's better to overdose than underdose on dewormers. It's not the horse that's building a resistance it's the parasites themselves. Since you moved the horse to a new location, any new parasites he picks up won't have the same resistance that the older owner created with her improper deworming routine.
     
    05-25-2010, 01:18 PM
  #4
Banned
Quote:
Originally Posted by luvs2ride1979    
It's better to overdose than underdose on dewormers. It's not the horse that's building a resistance it's the parasites themselves. Since you moved the horse to a new location, any new parasites he picks up won't have the same resistance that the older owner created with her improper deworming routine.
I will add in the disclaimer here--overdosing a horse on moxidectin, found in Quest, can be deadly to the horse. Never ever double dose with Quest.
     
    05-25-2010, 01:20 PM
  #5
Green Broke
I agree, do not double dose with Quest. I try to be rather accurate with quest, only giving a little extra (50 lbs on the little indicator).
     
    05-25-2010, 01:22 PM
  #6
Showing
I don't use Quest at all. Heard too many horror stories from people I know IRL.
     
    05-25-2010, 01:32 PM
  #7
Started
I would call the vet's office and see what they recommend.
     
    05-25-2010, 02:36 PM
  #8
Yearling
If you are worried that you have resistant parasites, rather than just using deworming willy-nilly you should actually test to see if you do have problem. Every time you deworm, you actually help to build the chance of having a higher percentage of the resistant parasites because they are the ones that are going to survive a deworming. You want to only deworm when you NEED too and then ensure that you are using an appropriate and effective product.

To test for parasite resistance to a particular product, you run a fecal egg count prior to deworming and then again 10-12 days after deworming and compare the results. You are looking for a 90+% drop in the number of eggs from the pre-sample to the post-sample.
     
    05-25-2010, 03:21 PM
  #9
Green Broke
Quote:
Originally Posted by Speed Racer    
When was the last time he was wormed?

You can double dose with ivermectin, if you're worried about it. You can also do a Power Pack if you're more than mildly concerned.

Does the horse look wormy? Is his weight bad? Is his coat dull? Does he excessively rub his tail?

If you answered 'no' to all of these questions, he's probably not loaded with worms.

Seriously, if I spent money on all the junk these places tell us we MUST HAVE OR WE'RE NOT CARING HORSE OWNERS, I wouldn't be able to feed mine.
He was wormed about 2 months ago with Zimectrin gold, however it was by his previous owner and she was dosing him for 250 pounds less than what he weighs which is my concern that he may have resistant parasites. He doesn't look wormy, he has a super SHINY coat.....Here is a pic taken a week or so ago.



Here is what he is doing to his bum



I think it's allergy but it could be worm too he just doesn't have anything high enough to rub his bum on for him to rub his dock.
     
    05-25-2010, 05:51 PM
  #10
Yearling
Have you specifically asked the previous owner if he/she did what most owners do and dose for more than they think their horse weighs?

Have you checked his sheath to see if he's in need of a cleaning?
     

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