Ivermectin

Whisperwindkat · #1 10/23/09, 05:25 AM

Well, we have had a close one here this week. One of my nubian does developed diarrhea, which we treated with kaopectate, probios, b-complex and electrolytes. I was just thinking that she might have gotten into something while in the pasture that needed to be cleaned out of her system. There was no fever, appetite was normal, and she seemed otherwise happy. We went through this for a day and a half, and then yesterday morning she was not interested in breakfast and otherwise depressed. So I did a fecal even though we had wormed with ivermectin not too terribly long ago(3 weeks). She was absolutely loaded with worms. I have done fecals on all different sorts of animals for a long time and this poor doe was loaded with parasites. I called my vet and talked to him about the problem and explained the worming with Ivermectin. He said that they started seeing a strong resistance at the beginning of the spring with ivermectin and they had a terribly time at the zoo (he is also the zoo vet) with not being able to get rid of the worms with Ivermectin. So in some areas there is beginning to be a resistance to ivermectin and it just is not working to get rid of the parasites. He suggested Cydectin, given orally. I gave her a dose of cydectin at 8 am and by last night the diarrhea was beginning to have some form to it. It was pudding consistency instead of water consistency. She also had her appetite back and was eating well. So just thought I would let folks know that they might start seeing this problem in their area as well and just to keep a look out.

Alice In TX/MO · #2 10/23/09, 07:06 AM

Did he also recommend to re-treat in 10 days? Might be a good idea.

Whisperwindkat · #3 10/23/09, 07:56 AM

Yes, he did recommend retreating in 10 to 14 days. Sorry, I forgot to mention that. Just got in from milking and feeding and I am happy to report that diarrhea is gone and poo has returned almost completely to normal. Her appetite this morning was out of this world. She attacked her grain with gusto!

DQ · #4 10/23/09, 11:00 AM

ivermectin resistance has been growing for quite some time. I think vicki mentioned something about it being used as an injectable and that seemed to hurry the development of resistance. last time I 'tested' it, it was/seemed moderatly effective. the morantel tartrate feed through wormer I compared it to in another doe appeared more effective if that tells us anything. of course that could have been due to some other factors regarding the individual doe or a variety of things.

Vicki McGaugh TX Nubians · #5 10/23/09, 11:39 AM

Loaded with what parasite? If you don't identify the eggs on your fecal it is meaningless. If you don't use a chambered slide to count eggs of each species you will never know that for me here it is completely normal to have hundreds of cocci eggs in healthy goats, or that other than 7 to 10 days after worming would I not see at least several hundred H. controtus eggs on fecal and the goat is perfectly normal, healthy with good membrane color. It's not the amount of eggs on fecal, it's how they effect your goats, the species of them etc.

Ivermectin may be a perfectly good wormer for those in north country for killing cool weather worms that simply eat condition (something that anyone who complains about their milkers in the spring right after they have kids being too skinny might look into) but for us in the south who fight H. controtus because we have no freezes, Ivermectin is not the wormer of choice. And you vet knows this.

So what worm eggs were on the slide? Vicki

Whisperwindkat · #6 10/23/09, 04:01 PM

Quote:

Originally Posted by Vicki McGaugh TX Nubians

Loaded with what parasite? If you don't identify the eggs on your fecal it is meaningless. If you don't use a chambered slide to count eggs of each species you will never know that for me here it is completely normal to have hundreds of cocci eggs in healthy goats, or that other than 7 to 10 days after worming would I not see at least several hundred H. controtus eggs on fecal and the goat is perfectly normal, healthy with good membrane color. It's not the amount of eggs on fecal, it's how they effect your goats, the species of them etc.

Ivermectin may be a perfectly good wormer for those in north country for killing cool weather worms that simply eat condition (something that anyone who complains about their milkers in the spring right after they have kids being too skinny might look into) but for us in the south who fight H. controtus because we have no freezes, Ivermectin is not the wormer of choice. And you vet knows this.

So what worm eggs were on the slide? Vicki

Well, I sorry. I did not identify each egg on the fecal and did not count. I do know that compared to previous fecals there was a much higher worm count and it was obviously causing a health issue. Unfortunately, I am a newbie when it comes to owning goats. When I purchased my girls in March, the breeder told me to worm with Ivermectin. Most people that I have found tend to recommend ivermectin. I have no problem with ivermectin not working for the horses, rabbits, or dogs. I simply thought I would pass on some information that I found out the hard way. Thought it might help another newbie like me who was simply going off the advice of a breeder. Thanks for the info, next time I will do a count.

Cannon_Farms · #7 10/23/09, 04:19 PM

You can find a fecal egg id chart on fiasco farms. without said slide you cant possibly count the eggs and would only give youself a headach if you tried.
Ivomect(rin) products have been decreasing in effectiveness for a long time in several species and resistance is hard to ID because people dont do fecals and dont use the product properly.
On the flip side, my vet had said to use the cydectin and we used it a total of three times without results, and in my cant hurt to try mode i used ivomectrin and the loose stools stopped. So where the herd she came from only used cydectin the worms had built up a resistance, they have never used ivomectrin so it worked. So, the breeder that you got your goats from may want to know that you had to use cydectin because the ivomect(rin) product didnt work.
If I can find it, Ill post a picture of what I have learned from this forum, from my first dairy goat to the ones I have now, along with maybe some of the boers. Theres not one person here that I have not learned something from.