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Development of pig cloning studies: past, present and future
Journal of Animal and Feed Sciences
The birth of the first nuclear transfer-derived cloned piglet resulted from the transfer of a nucleus from a 4-cell stage embryo to an enucleated oocyte. Although biotechnological procedures in swine have recently undergone tremendous progress, the efficiency of pig somatic cloning is still lower than in other species of farm animals and, when expressed as a proportion of reconstructed oocytes, it does not exceed an average of 5 to 10% blastocysts and 1.5% born piglets. The basic prerequisitedoi:10.22358/jafs/67408/2004 fatcat:wqfbhvdqrbbp3h35tbbwp5o4qa