What is INRA 96 Extender Used For?

INRA 96 Equine semen extender is for fresh and cooled equine semen. INRA 96 is the leading equine semen extender and preservation media in the industry. This extender for storage of equine semen can maintain fertility potential of horse semen for up to 48 hours.

The INRA Extender is sterile and ready-to-use. This equine semen extender is formulated with fractions of milk micellar proteins, which are highly protective to sperm cells. It is well recognized for its ability to protect the ejaculates of even the most difficult stallions.

INRA 96 extender preservation results obtained after 24 hours of preservation demonstrate that the fertility of some stallions was improved by preserving their semen at 15°C (Batellier et al.). This extender is an alternative for stallions whose semen cannot withstand the harmful effects of the cold shock induced by reducing the temperature to 4°C. These results indicate that INRA 96 can be used at temperatures of both 39°F and 59°F (4°C and 15°C), in line with requirements and depending on stallion semen quality. Moreover, the results obtained after 72 hours of preservation demonstrate the feasibility of preserving semen in INRA 96 for more than 24 hours prior to insemination (Le Frapper et al.).

pH: 6.9 ± 0.2 Osmolarity: 315 ± 15 mOsm/l. INRA 96 extender contains antibiotics (penicillin and gentamicin) and a fungicide (amphotericin B).

Diluting to 500 million progressively motile sperm per dose of fresh semen in 40 to 50 ml total dose volume. 1:3 to 1:5 dilution (ejaculate : extender)

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