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Article History

Received: 28 February 2018

Accepted: 3 August 2018

First Online: 29 August 2018

Ethics approval and consent to participate

: This study was approved by the Animal Administration and Ethics Committee of The College of Animal Science and Technology, Jilin Agricultural University (No.20160201). The purpose of the study was explained to all study participants, and a written, informed consent was obtained prior to enrollment in the study. The sera were collected from the pet animals with a written agreement from the pet owners. Animals were handled in accordance with the requirements of the Animal Ethics Procedures and Guidelines of the People’s Republic of China.

: Not applicable.

: The authors declare that they have no competing interests.

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