White line disease is caused by microorganisms?

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White line disease is driven by mechanical and environmental factors that weaken the hoof wall at the white line, allowing separation and a space for debris to accumulate. The starting problem isn’t a specific microorganism invading the tissue; rather, damp conditions, improper trimming, overgrowth, and uneven weight distribution create a vulnerable area. Once the white line is damaged, bacteria and fungi can colonize the space, but they are introducing secondary infection rather than being the root cause. So, while microorganisms can be involved in its progression, the condition itself begins with structural/management factors, which is why the statement is considered not correct. Proper treatment focuses on debridement of damaged tissue, balanced trimming, keeping the area clean and dry, and addressing any contributing moisture or mechanical issues to prevent recurrence.