Rapid veterinary response during saiga calving aggregations is critical for detecting and managing disease outbreaks before they reach catastrophic scale, as demonstrated by the 2015 mass mortality event.
The 2015 saiga mass mortality event revealed both the vulnerability of aggregating species to rapid welfare catastrophes and the limitations of reactive management. Over 200,000 animals — more than 60% of the global population at the time — died within days from a bacterial condition triggered by unusual climatic conditions. The welfare scale of this event was staggering, and the suffering of individual animals in the final stages of acute bacteremia is significant. Proactive veterinary surveillance during calving seasons — systematic carcass monitoring, rapid diagnostic capacity, and pre-positioned response teams — now enables earlier detection of mortality anomalies. While treatment at population scale remains impossible, faster detection can inform management decisions that reduce disturbance and potentially slow disease spread through calving aggregations.