Funding for this research was provided by:
Japan Society for the Promotion of Science (KAKENHI 24-1466)
Shandong Province Modern Agricultural Industry Technology System (SDAIT-09-05)
Text and Data Mining valid from 2019-03-07
Received: 7 November 2018
Accepted: 7 February 2019
First Online: 7 March 2019
Compliance with ethical standards
: The authors declare that they do not have any conflict of interest.
: Sample collection was approved by Animal Care and Ethics Committee of the University of Miyazaki.