Received: 26 October 2020
Accepted: 26 November 2020
First Online: 7 December 2020
Ethics approval and consent to participate
: Ethics approval in this study was secured from the Institutional Animal Ethics Committee (IAEC) of Faculty of Veterinary and Animal Science, WBUAFS, Kolkata, having number: IAEC/190(VI)/14.
: Not applicable.
: The authors declare that they have no competing interests.