Text and Data Mining valid from 2018-12-01
Received: 29 July 2018
Accepted: 6 December 2018
First Online: 27 December 2018
Ethics approval and consent to participate
: All animal studies were conducted in strict accordance with the guidelines of animal welfare of World Organization for Animal Health. The experiments were approved by the Ethics Committee of Hubei Academy of Agricultural Sciences according to Hubei Province Laboratory Animal Management Regulations – 2005. The ethics approval from the Ethics Committee of Hubei Academy of Agricultural Sciences was recognized as valid for research in all the five provinces involved in sampling in this study. The animals used in this study were derived from commercial sources, and the owner consent was not required.
: Not applicable.
: The authors declare that they have no competing interests.
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