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Next Generation Universal Semen Extender
Next Generation Universal Semen Extender
Next Generation Universal Semen Extender

Our Price: $6.95

Product Code: 120PL

Our extender does not require refrigeration until after it has been
reconstituted.  Leftover reconstituted extender may be stored in the
refrigerator in the tightly capped bottle for no longer than 48 hours.  
We recommend freezing the extender in smaller quantities for future
collections.  It can easily be thawed in a warm water bath before use.
                   Collecting and Preparing a Dose of Canine Semen for
Fresh Cooled Transport
                 “Our extender does not require refrigeration until
after it has been reconstituted”

1. Using a Next Generation® Canine Collection Kit, collect a sperm rich
2. Try not to get too much of the prostatic portion of the ejaculate
mixed after the sperm rich fraction has been collected.
3. Check motility, concentration, morphology, measure the volume with
the syringe and extend the total volume of the collection to 4 parts
extender; equals a 4:1 extension ratio.
4. Next Generation® Dr. Kenney’s Formula, Universal™ or the new Velocity
Extenders work exceptional; Amikacin & K-Penn is the best
antibiotic combination, although, it has been known to be harsh on the
semen of some horses and dogs.
5. Testing your dog’s semen with a variety of extenders = Optimum
 Pre-warm the extender to 37° C, using an incubator , water bath or
warming blanket.
 After the semen has been collected, double check the temperature so
that cold and/or reverse heat shock does not occur during the initial
extension process – Shock Kills.

***Always Mix Semen Into Like Temperature Extender***

6. Sperm concentration and broad seminal extension are always good
markers to follow, although, it is important to only provide an
insemination dose that is acceptable to the size of the bitch yet
providing an optimal concentration of semen to enable conception.  
7. It is better to provide two doses of semen than one large dose.
 Large semen doses induce excessive tract manipulation and can cause
 Large semen doses will open the opportunity of contamination and
8. Dogs do not collect the same; seminal volume and/or sperm
concentration can easily fluctuate between the various canine breeds, a
sperm count is always good management.  
 A 4:1 ratio represents 4 parts extender to 1 part semen.  
9. Compared to equine fresh cooled semen; the two species are very
similar in stress tolerance and survivability; common guidelines are as
 25 to 35 million progressively motile sperm per extended milliliter
 500 million progressively motile sperm extended 4:1.
10. Research has shown that shipping a larger dose volume and then
centrifuging off the supernatant upon arrival is highly effective,
although, make sure the receiving facility first has the capability to
properly handle and centrifuge semen.

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