d7b2d801__BRD_Testing____Cattle_Network__1
[0] Culture of a lung lesion [2] Finding the organisms usually indicates high concentrations are in tissue, plus, resistance to antibiotics can be measured [3] May miss true positives if several organisms are currently present or antibiotic therapy has reduced their concentrations. Results usually take days to week [1] 
Can find both bacteria and viruses
Have We Gotten a Little Too Smart on BRD Testing? | Cattle Network
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