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Article History

Received: 13 November 2021

Accepted: 22 October 2022

First Online: 8 November 2022

Declarations

:

: This study was performed according to the animal welfare guidelines of the World Organization for Animal Health, and animal sampling was strictly carried out in accordance with guidelines established by the Ethics of Animal Experiments of Northwest A&F University, Yangling, China. We got the verbal consent to collect the samples like rectal swab, and intestinal tissues from the farm owners. The animal experiments were carried out in strict accordance with guidelines established by the Ethics of Animal Experiments of Northwest A&F University, Yangling, China. All the protocols were approved by this committee (Permit Number: 2014BAD23B11). The field study did not include endangered or protected species. No specific permissions were required for the collection of samples because the samples were collected from public or non-protected areas.

: Not applicable.

: Author LS, XW and LQ are employed by Shandong New Hope Liuhe Group Co., Ltd.; Author XW and LQ are employed by Qingdao Jiazhi Biotechnology Co., Ltd.; Author MX, LZ, HY, FL and CW2 (Chuang Wang) are employed by Zhengbang Group Co., Ltd. The remaining authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. The remaining authors declare that they have no competing interests.