Positive-pressure ventilation makes a comeback to reduce PRRS transmissions

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A ventilation system that fell out of favor when it caused deterioration in swine buildings is making a comeback.

Producers looking for ways to reduce porcine reproductive and respiratory syndrome (PRRS) find positive-pressure ventilation with some modifications works well now, especially in older building, according to Aaron Lower, DVM, Carthage Veterinary Clinic, Carthage, Iowa.