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Missouri AV longevity

Discuss tips and tricks used in live cover and AI situations.

Moderator: Jos

Missouri AV longevity

Postby Chris » Sat Nov 03, 2012 10:30 pm

I have just broken my second Missouri (Nasco) AV that has just begun it's third breeding season. It has delaminated at the caudal end with what appears to be a breakdown of the adhesive at the thick "ring" where both parts of the AV are joined & sealed. The inner part ruptured during a collection on Thursday, fortunately not on the ejaculatory stroke. Borrowed another and completed the job.

My first Miss AV was made of a heavier, seemingly natural latex (?) and lasted 5 breeding seasons before splitting.

From other's experience does the Colorado model last longer or how often is it recommended to replace the bladder? Am a little reluctant to get another Missouri. :?:
Chris
Nursing Foal
 
Posts: 15
Joined: Sat Nov 03, 2012 10:17 pm
Location: Auckland, NEW ZEALAND

Re: Missouri AV longevity

Postby Jos » Sun Nov 04, 2012 9:53 am

Duration of viability depends a lot upon usage and how it's been managed, but for a well-used and stored Missouri 3 years is about right.

Storing it at the end of the season with a little bit of air in the bladder, and the whole AV dusted (inside the lumen and outside) with corn starch will assist, as will placing a piece of paper towel in between the sides in the lumen prior to adding the little bit of air. Storage should of course be in a cool (but not cold) place out of the sunlight.

If you are looking at a new AV, I would encourage you to consider the INRA French AV. We discuss it's merits in our article on AVs, but in essence, it is a smaller version of the Colorado (and therefore considerably lighter) which incorporates the advantage of glans pressure that is seen with the Missouri, but also allows that pressure to be adjusted (by moving the latex hood) for stallions that like more or less pressure. Additionally, it has two handles rather than one, which can be of great benefit in some situations!!

Image


The other major advantage of both the INRA AV and the Colorado is that the latex liners (aka "bladders") are comparatively cheap to replace - typically in the region of about $40 in the USA - so one can easily keep a spare one on hand in case of troubles (unlike the Missouri, which requires that you keep a spare AV!). A bladder will last about 1-2 seasons, depending again of course upon usage and management.

If you do purchase an INRA AV, I would encourage you to set it up according to our instructions for putting together the INRA (French) AV rather than those supplied by IMV, as we have found that our method works a little better (for us and quite a few others in the USA at least! :) ).
We're always happy to try and help, but don't forget to check the articles section
of the website too, which has a search engine to help you look for answers!
:)
User avatar
Jos
Senior Stallion or Mare
 
Posts: 3948
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Re: Missouri AV longevity

Postby Chris » Sun Nov 04, 2012 2:49 pm

Thanks Jos, as always, you're a legend :-)

I will hunt one down and find someone that will ship overseas for me.
Chris
Nursing Foal
 
Posts: 15
Joined: Sat Nov 03, 2012 10:17 pm
Location: Auckland, NEW ZEALAND

Re: Missouri AV longevity

Postby Jos » Sun Nov 04, 2012 6:24 pm

They can only be bought through IMV, so you might want to visit IMV's contact page and either e-mail them from there or see if one of the other contact locations will work for you (unlikely!!).

Or perhaps you should talk to them about taking on a NZ distributorship? :)

I think you'll like the AV if you get one. It's the one we use the most.
We're always happy to try and help, but don't forget to check the articles section
of the website too, which has a search engine to help you look for answers!
:)
User avatar
Jos
Senior Stallion or Mare
 
Posts: 3948
Joined: Sun Jun 10, 2012 12:11 am

Re: Missouri AV longevity

Postby harrybro » Mon Nov 12, 2012 1:37 am

It is really useful thing.....
harrybro
harrybro
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