Text and Data Mining valid from 2019-04-27
Received: 12 July 2018
Accepted: 11 April 2019
First Online: 27 April 2019
Ethics approval and consent to participate
: Animal Care and Use Committee approval was not obtained for this study because the data were from an existing database provided by Smithfield Premium Genetics (Rose Hill, NC). We did not collect any new samples for this study.
: Not applicable.
: The authors declare that they have no competing interests.
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