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Ivermectin Information

post #1 of 3
Thread Starter 

Thought I'd start a thread about ivermectin and share all of the info I have gathered so far.

 

Two studies for everyone to read:

 

http://www.ncbi.nlm.nih.gov/pubmed/9269125

Anthelmintic efficacy of ivermectin against Syngamus trachea and Capillaria spp. in pheasant.

Abstract

Ivermectin (IVM) was perorally administered in dosage schemes 1 x 0.8 mg/kg of body weight (b.w.), 1 x 1.6 mg/kg h.w., 3 x 0.8 mg/kg b.w., and 3 x 1.6 mg/kg b.w. to pheasants infected by Syngamus trachea and Capillaria spp. The samples of faeces were coprologically examined. The clinical state of pheasant was controlled. In all of the used therapeutical schemes the helminthostatic or partially helminthocide effect against adults of worms was reached. The clinical signs of helmithoses were reduced only. IVM in tested doses is not possible to recommend as an effective drug of pheasant syngamosis and capillariosis.

 


 

http://www.ncbi.nlm.nih.gov/pubmed/2816174

Ivermectin as a bird anthelmintic--trials with naturally infected domestic fowl.

Abstract

To evaluate the use of ivermectin as a bird anthelmintic, 29 White Leghorn hens naturally infected with Ascaridia spp., Heterakis spp. and Capillaria spp. were treated with 0.2, 2 or 6 mg/kg intramuscularly or 0.2 or 0.8 mg/kg orally. Faecal samples were collected before treatment and at autopsy, 2, 6, or 16 days after treatment, when the intestines were also examined for helminths. None of the treatments gave satisfactory anthelmintic results.

 


 

Formularies written by vets:

 

From another formulary:

 

 

From a veterinary parasite book:

 

 


 

 

 

One drop of the 1% injectable = ~0.02 ml = 0.2 mg

 

Here is how I calculate how much to give:

Weigh of bird in pounds, divide by 2.2, times the mg/kg that I want to give, which lately is 1 mg/kg (most vets will suggest *much* less than that), divide by 10 = the amount to give.

 

Example of what I give a five pound bird @ 1mg/kg:

5 / 2.2 x 1 / 10 = 0.227 ml = 11 drops

 

These are the amounts that a vet would probably suggest. FWIW, a vet here on BYC uses 0.3 mg/kg on their birds

Example for a five pound bird @ 0 .2mg/kg:

5 / 2.2 x .2 / 10 = 0.045 ml = 2 or 3 drops

 

Example for a five pound bird @ 0 .3mg/kg:

5 / 2.2 x .3 / 10 = 0.068 ml = 3 or 4 drops

 

Example for a five pound bird @ 0 .4mg/kg:

5 / 2.2 x .4 / 10 = 0.09 ml = 4 or 5 drops

 

Example for a five pound bird @ 0 .5mg/kg:

5 / 2.2 x .5 / 10 = 0.11 ml = 5 or 6 drops

 

As always, please check my math. :D And if possible, consult with a vet on how much to give.

 


 

Allegedly written by a vet:

Quote:
 I like the 1% injectable form because I can draw up exactly 0.1 ml and give it in the breast muscle or by mouth. I also like it because I know that the ivermectin is then getting into the bloodstream.

I am assuming that the amount they use is based on an average sized laying hen, but no way to know for sure.

 


 

From left to right:

Small = 0.1 ml = 1.87 mg ivermectin

Medium = 0.25 ml = 4.675 mg ivermectin

Large = 0.5 ml = 9.35 mg ivermectin

.

 

The blob next to the grain of rice is 0.025ml (.4675 mg ivermectin)

 

-Kathy

 

post #2 of 3

Thanks for posting this. It is amazing. Never would have thought it to be non-effective.

post #3 of 3
Thread Starter 
Quote:
Originally Posted by Weehopper View Post
 

Thanks for posting this. It is amazing. Never would have thought it to be non-effective.

I've met several people here that lost or almost lost their birds because they thought ivermectin was an effective wormer. Some people swear it works for them, other have paid the ultimate price. :(

 

-Kathy

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