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The Animal Experimentation Ethics Committee of the University of Veterinary Sciences Brno was informed about all procedures and approved the study (approval no. ES_6-2025_Jahn).","order":1,"name":"Ethics","label":"Ethics approval","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"The authors declare no competing interests.","order":2,"name":"Ethics","label":"Competing interests","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"Blood samples were obtained from horses during routine veterinary diagnostic procedures and were used for the purposes of this study.","order":3,"name":"Ethics","label":"Source of biological material","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"All procedures were part of routine veterinary practice, and no experimental interventions affecting animal welfare were performed. Informed consent was obtained from the animal owners.","order":4,"name":"Ethics","label":"Animal welfare","group":{"name":"EthicsHeading","label":"Declarations"}}]}}