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Abstract ▼ AI-Helper

This study was carried out to examine splitting, developmental capacity and rapid freezing of blastomeres separated from 2-, 4-, 8-cell and morula from porcine embryos. The results obtained in this study were summerized as follows : 1. The successful splitting rate by pronase was 85.7% in 2-cell emb...

This study was carried out to examine splitting, developmental capacity and rapid freezing of blastomeres separated from 2-, 4-, 8-cell and morula from porcine embryos. The results obtained in this study were summerized as follows : 1. The successful splitting rate by pronase was 85.7% in 2-cell embryos(average splitting rate, 68.0%), and by manipulator was 76.6% and 74.3% in 2- and 4-cell embryos. 2. The developmental capacity rates of splitted embryos by the pronase treatment were 24.1%, 20.4%. 25.5% and 26.6% in 2-, 4-, 8-cell and morula, and by manipulator were 36.4%, 39.5%, 36.1% and 41.9%, respectively. 3. The successful results of in vitro culture after frozen-thawed of splitted embryos were 16.1%(glycerol) in 2-cell, 16.7%(DMSO) in 4-cell and 27.6%(ethyleneglycol) in morula, respectively.