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KMID : 0359319910310020229
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Korean Journal of Veterinary Research
1991 Volume.31 No. 2 p.229 ~ p.233
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Developmental potential of bisected - aggregated mouse embryos after freezing
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Abstract
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The chimeric morulae were produced following aggregation of the half embryos which were microsurgically bisected at 8-cell and early morula stage. Different phenotypic embryos were obtained by mating ICR female mice with ICR or CBA male mice. The early morula stage was the desirable stage for the aggregation of mouse embryos after bisection. The post-thawed survival rates of bisected-aggregated embryos that developed into normal blastocyst after conventional freezing in DMSO and ethylene glycol were 30.5 and 32.8%, respectively. One offspring was produced by transferring the 67 frozen-thawed bisected-aggregated embryos.
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