Korean Journal of Veterinary Research 2003;43(3):457-461.
Occurrence of Hairless Piglets with Congenital Goiter
Jae-hoon Kim1, Hyun-joo Sohn2, Hyoung-ook Kim3, Young-hwa Jean2
1Department of Veterinary Medicine, Cheju National University
2National Veterinary Research and Quarantine Service
3Laboratory of Comparative Pathology, Graduate School of Veterinary Medicine, Hokkaido University
선천성 갑상선종에 의한 무모 돼지 발생
김재훈1, 손현주2, 김형욱3, 진영화2
1제주대학교 수의학과
2국립수의과학검역원 병리과
3북해도대학 수의과대학
Abstract
A diagnosis of iodine-deficient goiter was confirmed in newborn piglets that were born hairless edematous, and with markedly enlarged thyroid gland. Clinically, most of the piglets were born dead, extreme weakness or dying within a few hours of birth. Gestation periods were prolonged for 3-7 days. Histopathologically, hair follicles were scarce and reduced in size, contained slender hairs, and revealed a shallow penetration into the hypodermis that showed severe diffuse edema. Thyroid glands had severely hyperplastic follicles and poorly staining colloid. The follicles were irregular in size and shape depending on varying amounts of lightly eosinophilic and granular colloid in the lumen. The iodine content of the diet fed to the sows and plasma total thyroxine and triiodothyronine concentration of sows were very low. This is a first report for iodine-deficient goiter in newborn piglets in Korea.
Key Words: piglet, iodine, goiter, skin, thyroid gland


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