Funding for this research was provided by:
National Natural Science Foundation of China (31402189, No:31372432)
National Key R&D Program of China (2017YFD0501200, 2016YFC1202000)
973 Program of China (2015CB150300)
ASTIP, FRIP (2014ZL010)
CAAS; NBCIS (CARS-38)
Text and Data Mining valid from 2018-08-07
Received: 23 May 2018
Accepted: 24 July 2018
First Online: 7 August 2018
: The present study was approved by the Animal Ethics Committee of Lanzhou Veterinary Research Institute, CAAS (No. LVRIAEC 2013-010). The procedures for acquiring the field samples were approved by the Animal Welfare Ethics defined by University of Agriculture Faisalabad, Pakistan.
: Not applicable.
: The authors declare that they have no competing interests.
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