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KMID : 1023520170400040281
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Korean Journal of Veterinary Service
2017 Volume.40 No. 4 p.281 ~ p.285
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Rickets caused by vitamin D deficiency in calves
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Kim Ji-Hyeon
Lee Kyung-Hyun
Jung Ji-Youl
Yang Si-Yeon
Lee Hyun-Kyoung
So Byung-Jae
Choi Eun-Jin
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Abstract
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Six to seven-month-old 10 beef calves in 140-head beef cattle farm in Gimpo-si, Gyeonggi-do were suffered from ataxia and astasia. Two of them were submitted to Animal and Plant Quarantine Agency for diagnosis in July 9, 2015. At necropsy, the radius and tibia of both calves showed irregular thickening and hemorrhage of the physis in addition to hemorrhage and disruption of trabeculae in metaphysis. Histopathologically the physis showed irregular tongues of cartilage remaining the metaphysis. Disorganization, hemorrhage and fibrosis were observed in metaphyseal and epiphyseal bones. The serum 25-hydroxyvitamin D3 (D3) and calcium levels were lower than normal range. In addition, the serum D3 levels in the other 9 calves of the same farm were lower than normal levels. Based on the pathological examination and serum chemistry measurements, we diagnosed this case as rickets caused by vitamin D deficiency in calves.
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KEYWORD
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Calcium, Calves, Rickets, Vitamin D
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