Funding for this research was provided by:
National Natural Science Foundation of China (31472223)
Agriculture Research System of China (CARS-42-17)
Sichuan Veterinary Medicine and Drug Innovation Group of China Agricultural Research System (CARS-SVDIP)
Special Fund for the Key Laboratory of Animal Disease and Human Health of Sichuan Province (2016JPT0004)
Text and Data Mining valid from 2019-04-29
Received: 22 August 2018
Accepted: 28 March 2019
First Online: 29 April 2019
Ethics approval and consent to participate
: This study was approved by the Animal Ethics Committee of Sichuan Agricultural University (2016–17).
: Not applicable.
: The authors declare that they have no competing interests.
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