求翻译：本文从pGRF基因质粒对仔猪、育肥猪生长性能的影响及体外注射pGRF基因质粒的安全性等方面，简要地阐述了pGRF基因质粒在猪生产过程中的作用，并对其应用前景进行了展望。是什么意思？

Pgrf gene plasmid on the growth performance of piglets, fattening pigs and in vitro injection pgrf gene plasmid security and other aspects briefly described pgrf gene plasmid in the pig production process, and its application prospects.

This article from pGRF gene plasmids in the pig, pig shifushi growth performance and in-vitro effects of injecting pGRF gene plasmids of security, a brief overview pGRF gene plasmids in pigs in the production process, and the role of its application in the future with a vision.

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This article from the pGRF gene plasmid on growth performance of piglets, fattening pigs and in vitro injecting pGRF gene plasmid in areas such as security, briefly explained the pGRF gene plasmid in pig production in role and prospect on its application.

正在翻译，请等待...