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Cornell Necropsy Cites Tumor in Carriage Horse Death as Advocates Seek Ryder’s Law Hearings

A pathologist’s report found Lady’s collapse stemmed from a silent adrenal tumor causing an aortic rupture, prompting advocates to push for hearings on phasing out new carriage horse licenses.

Overview

  • A necropsy performed by Cornell University College of Veterinary Medicine determined that Lady’s aortic rupture was likely triggered by a small tumor in her adrenal gland.
  • The pathologist’s report noted no signs of neglect or abuse and described Lady as being in good body condition.
  • TWU Local 100 said the sudden medical event could have killed any horse and expressed mourning over the unexpected loss.
  • Animal welfare groups including NYCLASS and PETA held emergency rallies urging City Council to schedule hearings on Ryder’s Law, which would ban new carriage horse licenses from 2026.
  • Carriage industry representatives and some officials defended biannual veterinary checks and argued that sudden health crises can occur regardless of environment.