Swollen neck in 3 lambs

Formulate differential diagnoses, then continue reading. Histopathological FindingsThyroid glands samples were collected and preserved in neutral-buffered 10% formalin for 24 hours.They were then routinely processed and stained with H&E.The thyroid gland exhibited diffusely enlarged follicles bordered by 1 or 2 layers of cylindrical follicular cells forming papillary projections, some supported by a fibrovascular stalk.The cells present abundant, poorly defined, pale, clumpy cytoplasm In collaboration with the American College of Veterinary Pathologists Pathology in PracticeSwollen neck in 3 lambs History T hree lambs from different mothers, aged between 2 and 3 days, were referred to the diagnostic laboratory for postmortem examination.The animals were found dead on the premises in the early morning, and it is suspected that they died during the night.These cases were presented at a semi-extensive meat production farm with around 800 Lacaunebreed ewes in the Spanish Pyrenees mountains.The ewes are housed during lactation, which lasts about 40 days.During this time, they are fed hay and commercial concentrate.For the rest of the time, the animals graze on native pastures.During the mating season, they receive mineral supplementation.The animals were fed turnips during the mating season and early gestation.Although the number of affected animals remains unknown, there was a significant outbreak in which animals were born alive but weak and died within hours of parturition.