WOAH’s completion of bovine tuberculin evaluation delivers three essential practical advantages for global animal health governance. First, standardised diagnostics ensure diagnostic consistency across borders—a positive tuberculosis test in Georgia will have the same clinical and epidemiological meaning as one in Brazil, eliminating the diagnostic ambiguity that previously complicated international disease surveillance and response coordination. Second, harmonised testing protocols directly protect livestock exports and dairy trade in developing economies, where bovine TB represents a significant trade barrier and economic threat to smallholder farmers. Third, standardised reagent potency and diagnostic accuracy reduce both false negatives that allow infected animals to enter trade streams undetected and false positives that trigger unnecessary culling of healthy livestock. These improvements represent substantial gains in disease control efficiency, economic protection for vulnerable farming populations, and enhanced food security. By establishing universal diagnostic benchmarks, WOAH strengthens the foundation of international animal health cooperation and zoonotic disease prevention.
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