ochratoxin a in serum of swine from different brazilian states.the aims of the current study were to monitor the presence of ochratoxin a (ota) in the serum of slaughtered swine and to investigate its distribution in 4 major geographical regions of brazil. a total of 400 samples of serum were collected from 4 major states of brazil (100 samples each). ochratoxin a concentrations were determined by high-performance liquid chromatography. in santa catarina state, 60% of the samples had ota concentrations ranging from 4.01 to 75.4 mg/l. in mato grosso state, 7 ...201020807935
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