Embryo cryopreservation
Mice and rats

JANVIER LABS developed an efficient department for cryopreserving embryos with the vitrification technique. We offer you to cryopreserve embryos of your rodent models with this technique. We also use vitrification to supply frozen embryos of our JANVIER LABS strains at different pre-implantation development stages (see our JANVIER LABS embryo kits).

The cryopreservation of embryos is generally recommended for complex strains and where preservation of the genetic background is required. Indeed, the cryopreserved genetic material will be fully recovered and this technique will freeze the characteristics and prevent genetic drift.

Cryopreservation allows to secure your models.

• Insuring against production failures.
• Insuring against disastrous events (fire, technical failure …)
• Doing a “T0” on microbiota during embryo recoveries.

Cryopreservation also allows to make savings:

• Reducing the number of animal cages in breeding.
• Release space in your animal facilities: on average 75% of models present in your animal facilities are not in an active study!
• To put in place considered breedings using live animals only during their use.
• To facilitate resource sharing.
• Exchanges of straws are easier and more ethical than exchanges of animals.

Added values of JANVIER LABS:
Performed at JANVIER LABS via natural matings and non IVF ones for a better quality of cryopreserved embryos and a good capacity of subsequent revitalisation.

Cryopreservation by vitrification
Possibility of performing a mixed sperm and embryo cryopreservation in order to dispose of 2 frozen forms of a model and to be able to dispose of the interests of both.

In Vitro quality control (QC1) carried out for each batch of frozen embryos of a strain