This paper presents the methods of transgenic pigs production and the results based on the long experience of the authors in this area. Moreover, the trends and current issues of transgenic modification in pigs are discussed.
Four transgenic pigs, produced with the use of two different gene constructs containing the bovine growth hormone coding gene - Mt-bGH-10D6 (wild type) and Mt-bGH-M8 (mutated), were used to produce the F1 generation to investigate their performance traits. No differences were observed in fattening and slaughter traits between transgenic and non-transgenic pigs. It was found that the weight of ham proper and loin eye area was significantly higher in carriers of Mt-bGH-10D6 gene constructs.
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