Fifty-five Maine Coon cats were recruited into this study. The procedures of animal use were permitted by Kasetsart University Institutional Animal Care and Use Committee, Kasetsart University, Bangkok, Thailand (Approval number: ACKU 62-VET-059). The blood samples were collected from venous vessels for 2–3 ml per cat and stored in an ethylenediaminetetraacetic acid (EDTA) tube. The stored blood was aliquoted and kept at −20°C until DNA extraction. As described previously, the process of DNA extraction was conducted via Blood Genomic DNA Extraction Mini Kit (Favorgen, Taiwan) regarding manufacturer's recommendations (23 (link)).
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