Cattle in Nebraska feedlot DarcyMaulsby/iStock/Thinkstock.

Test helps pinpoint feedlot antibiotic use

Feedlot trial of chute-side blood test shows possible 87% reduction in antibiotic use in calves on arrival.

In a recent feedlot trial conducted by Advanced Animal Diagnostics (AAD), the use of a new chute-side blood test (QScout BLD) demonstrated that a feedyard in Nebraska could reduce antibiotic use 87% by selectively treating animals instead of metaphylaxis, or mass treatment with antibiotics.

AAD said the QScout BLD test, which diagnoses animals with abnormal immune statuses before visual symptoms occur, could help cattle feeders save $148,000-218,000 in arrival antibiotic costs per 10,

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