Article
Birth of cloned miniature pigs derived from somatic cell nuclear transferred embryos activated by ultrasound treatment
11 Apr 2007
Abstract excerpt
The present study was carried out to determine (1) the optimal duty cycle of ultrasound for activation of pig oocytes and cloned embryos derived from miniature pig fetal fibroblasts and (2) whether cloned embryos can develop to term following activation by ultrasound stimulation. When oocytes were exposed to ultrasound with 20% or 30% duty cycle, the blastocyst formation rates were significantly (P < 0.05) higher...
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