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Article History

Received: 13 October 2018

Accepted: 23 January 2020

First Online: 30 January 2020

Ethics approval and consent to participate

: This study was performed according to the national and institutional guidelines on the use of animals in clinical research according to the Polish legal act concerning experiments performed on animals of January 21st, 2005 (Ustawa o doświadczeniach na zwierzętach z dnia 21 stycznia 2005 r. (Dz. U. z 2005 r. Nr 33, poz. 289 z późn.zm.)). Since the blood for biochemical analyses was taken during a routine veterinary examination and in accordance with the above mentioned legal act, a written ethical approval from the Local Ethical Committee before beginning the study was not necessary. However, before enrolling a cat into the study, a written consent for a full cardiac examination and blood sampling was obtained from the owner and a high standard of care was adhered to throughout each examination.Blood samples used as controls were collected from healthy animals presenting to University’s Small Animal Veterinary Practice for preventive screening. Additional cardiac examination was offered to these individuals at no further cost.

: Not applicable.

: The authors declare that they have no competing interests.