Figure 1. Spread of IBR in non-vaccinating suckler herd following reactivation and shedding of virus from carrier to naïve (susceptible) animals. Adapted from: Animal Health Ireland

Control of infectious bovine rhinotracheitis

Infected animals excrete high quantities of virus during primary infection. BoHV-1 is mainly spread directly by close contact between animals (Figure 1). It can also be shed from the reproductive...