Production of Normal Young Following Transfer of Mouse Embryos Obtained by In Vitro Fertilization Using Cryopreserved Spermatozoa
Open Access
- 1 January 1990
- journal article
- abstracts
- Published by Japanese Association for Laboratory Animal Science in Experimental Animals
- Vol. 39 (1) , 125-128
- https://doi.org/10.1538/expanim1978.39.1_125
Abstract
Spermatozoa from cauda epididymis of mature mice were suspended in preservation solution (Dulbecco's PBS containing raffinose in combination with glycerol, DMSO or skim milk as freezing protective agents). The suspension was frozen by the dry ice-alcohol method and preserved for 1-120 days in liquid nitrogen (-196 degrees C). Highest sperm viability after thawing was obtained with a combination of 10% raffinose and 5% glycerol or with a combination of 10% raffinose and 10% DMSO. These frozen thawed sperm were found to have fertilizing capacity when used for in vitro fertilization. The 2-cell embryos obtained through the above procedures developed into normal pups at a high rate when transferred into the oviducts of pseudopregnant female mice.Keywords
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