Lactococcus Garvieae May 2026

Over the next few decades, it "bounced" around the world—appearing in Italy, Japan, South Africa, and Taiwan.

First identified in 1983 as a cause of bovine mastitis in the UK, L. garvieae was initially thought to be a minor veterinary concern. However, it soon revealed a different side: it was a primary driver of "Lactococcosis," a devastating septicemia in aquaculture . lactococcus garvieae

It first hit the Spanish trout industry, causing losses that eventually amounted to nearly 50% of production. Over the next few decades, it "bounced" around