Blood samples were available on all study days from 9 of 10 dogs. One dog was excluded from blood sampling because of development of hospital‐associated anxiety upon repeated visits. Complete blood count, serum biochemistry, and C‐reactive protein (CRP) concentrations were performed using blood samples collected from recipients at the Central Laboratory of the VMTH. For cytokines, serum interleukins (IL)‐2, ‐6, ‐8, and tumor necrosis factor (TNF)‐α were measured using a multiplex electrochemiluminescence immunoassay and Canine Proinflammatory Panel 3 Ultrasensitive Kit (Meso Scale Discovery, Meso Scale Diagnostics, Rockville, Maryland) on a MSD Quickplex SQ 120 (Meso Scale Diagnostics, Rockville, Maryland), according to manufacturer instructions and as previously described.
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