[ SHOWGSD-L ] Re: Frozen sperm insemination
- From: "Carolyn Martello" <marhaven@xxxxxxxxxxxxxx>
- To: <barbara17236@xxxxxxx>, <Tediginsburg@xxxxxxx>, <Showgsd-l@xxxxxxxxxxxxx>
- Date: Fri, 2 Sep 2011 07:38:55 -0700
Frozen goes through the same evaluation as fresh chilled....before and
after....and as Barb said
enough pellets or straws are used as is needed for one breeding.
The biggest problem with frozen is that you ony have about a 17 hr. window for
the sperm to be
viable even with the extender.......and with fresh chilled you have at least
five days....so the timing
has to be absolutely perfect as there is just no room for being a tad early.
Therefore the insemination has to take place later than it would for fresh
chilled.........
I'm not sure but I think the progesterone numbers have to be about 18 for
frozen........??
Carolyn marhaven@xxxxxxxxxxxxxx
www.Marhaven.com
----- Original Message -----
From: barbara17236@xxxxxxx To: Tediginsburg@xxxxxxx ; Showgsd-l@xxxxxxxxxxxxx
Sent: Friday, September 02, 2011 6:33 AM
Subject: [ SHOWGSD-L ] Re: Frozen sperm
Tedi -
I sure hope you aren't collecting and freezing the semen AFTER he is
dead....LOL. (sorry, couldn't resist) The sperm would
be compromised, to say the least.
Semen evaluation is done prior to freezing, right after freezer (to see how
the collection handles the freezing) , before it is shipped, and before it is
imseminated. So, you will have an idea of the rating of that collection from
start to finish. Frozen semen that doesn't meet a certain criteria will not
be frozen, stored or shipped.
However, if let's say 1 straw or pellet is rated low, another straw or pellet
with a better rating will usually be shipped as well and both are used to
ensure a litter. It is best for you or your vet to speak with the storage
facility about their procedures so you will have an idea of the quality you
will be getting.
Frozen semen is the best quality there is because the sperm have to meet so
many requirements just to be frozen. Semen
that contains proximal droplets (premature sperm) can't be frozen, so you
getting the really good sperm.
Reproduction vets say that frozen implant failures are not the result of an
issue with the semen but either the insemination
timing, the vet, or the bitch.
Barb Hively - PA
DNA. It's what makes a white, a German Shepherd
-----Original Message-----
From: Tediginsburg <Tediginsburg@xxxxxxx>
To: showgsd-l <showgsd-l@xxxxxxxxxxxxx>
Sent: Thu, Sep 1, 2011 7:44 pm
Subject: [ SHOWGSD-L ] Frozen sperm
Has anyone out there in Lister Land done a breeding with sperm from a dog
hat's been dead for several years? What kind of results did you get?
edi
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