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Here, we report pig embryonic stem cells (ESCs) originating from parthenogenetic blastocysts which were developed from 2-cell embryos micro-injected with porcine OCT4 reporter system cultured in previous reported chemically defined culture media. The ESCs with reporter system expressed pluripotency markers and fluorescent signals produced by OCT4 reporter system. Also, they were capable of forming teratomas following subcutaneous injection into nude mice. Since reporter system enables the non-destructive classification of the condition of live pluripotent stem cells, this reporter cell line could be a useful resource for research on species-specific pluripotency.