Abstract
In hunted animals, quality of blood samples may often be compromised. Alternative samples, such as meat juice, may offer an advantage to perform serological tests. This study evaluates if meat juice is a feasible alternative sample to perform the Tuberculosis ELISA test in hunted large game. Between 2017 and 2022, 175 samples were collected from 97 animals (14 red deer + 83 wild boar) in Portugal and Spain. Cohen's kappa coefficient was calculated at 0.71, pointing out a good agreement using 156 paired samples. The sensitivity of the ELISA test with serum was 37.6%, considering Tuberculosis-like lesions (TBL) detected during the initial examination (26 TBL+/ELISA+ in a total of 78 serum samples). Using meat juice as matrix, the sensitivity increased to 37.5% (33 TBL+/ELISA+ in 97 meat juice samples). According to the agreement score and sensitivity being so close between the two matrices tested, meat juice could be a feasible alternative matrix.
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