Review warns borders and land use reshape wildlife disease risk

CURRENT BRIEF VERSION: A new systematic review in Veterinary Sciences argues that wildlife health in the Carpathian Basin is being shaped less by ecology alone and more by the way borders, fencing, roads, and land use now fragment a biologically connected region. The authors, Zoltán Bagi, Renáta Knop, and Camelia Tulcan, describe the basin as a coherent biogeographic unit where species including wild boar and red deer still move, disperse genes, and carry pathogens across national lines, even as governance, surveillance, and habitat management remain administratively divided. That matters because the same permeability that supports wildlife movement can also support transboundary disease spread, linking conservation genetics and One Health risk in the same landscape. The broader literature backs that framing: EFSA has repeatedly emphasized the importance of coordinated wild boar surveillance for African swine fever, and recent European research shows landscape connectivity can help predict ASF spread in wild boar populations. (efsa.europa.eu)

Why it matters: For veterinary professionals, the review is a reminder that wildlife disease surveillance can’t stop at political borders or farm gates. In Central and Eastern Europe, wild boar and cervids already sit at the center of cross-border disease discussions involving ASF, tuberculosis, chronic wasting disease surveillance, tick-borne pathogens, and other multi-host threats. EFSA has called for coordinated One Health surveillance for cross-border wildlife pathogens, and related studies show host connectedness in species such as red deer and wild boar can influence disease maintenance and spillover risk. A separate MDPI study in Animals points to the same broader shift in wildlife health and enforcement: using whole-genome data, researchers developed SNP-based traceability markers for four trafficked endangered species in China—Tibetan macaque, brown eared pheasant, blue eared pheasant, and Chinese pangolin—and found those SNP tools could assign samples to genetically distinct geographic populations more accurately than mitochondrial DNA alone. For veterinarians working in livestock health, wildlife health, or public health, the operational takeaway is straightforward: surveillance design, carcass reporting, sample sharing, and interpretation of local risk all need a transboundary lens, and genetics-based traceability is becoming part of that toolkit. (efsa.europa.eu)

What to watch: Expect more pressure for cross-border wildlife surveillance frameworks, especially where wild boar and cervid movement intersects with ASF control, bovine TB management, and broader One Health planning in Europe. More broadly, expect wildlife programs to keep borrowing from forensic genomics as agencies look for better ways to trace animal movement, population origin, and cross-jurisdiction risk. (efsa.europa.eu)