Marked lymphadenomegaly in a 4-month-old Yorkshire gilt

1Gross necropsy revealed significant enlargement of the cranial mediastinal, tracheobronchial, and mesenteric lymph nodes.The cranial mediastinal lymph node (5 X 4 X 2 cm) was compressed against the thoracic inlet, displacing the trachea.The affected lymph nodes mildly bulged on cut section, with diffusely pale-beige parenchyma and loss of corticomedullary architecture.Both kidneys had a diffusely pale-tan capsular surface (Figure 1) with coalesc-In collaboration with the American College of Veterinary Pathologists Pathology in PracticeMarked lymphadenomegaly in a 4-month-old Yorkshire gilt History A 152-day-old female Yorkshire gilt was presented for emergency evaluation at the Food Animal Reproduction and Medicine Service, University of Florida.The gilt or its cohorts had no prior clinical signs during routine monitoring.The gilt originated from the University of Florida under the Institute of Food and Agricultural Sciences, which was housing 15 sows, 1 boar, 30 nursery-age piglets, and 30 finishing-age pigs.The farm adheres to structured protocols for gilt development, herd health, and biosecurity, including routine monitoring, vaccination, nutritional management, and parasite control.