Funding for this research was provided by:
the Fundamental Research Funds for the Central Universities (No. 2662018PY043)
the Applied Basic Research Programs of Science and Technology of Wuhan, China (No. 2016020101010091)
the National Key Technology Support Program of China (No. 2015BAI09B06)
the National Project for Breeding of Transgenic Pig (No. 2016ZX08006-002)
Article History
First Online: 29 September 2020
Compliance with ethical standards
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: The authors have declared that no competing interests exist.