Rickets diagnosed in pregnant hoggs

doi:10.1136/vr.g4956

Cited by 1 publication

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“…3 Rickets has occasionally been reported in sheep but is not considered to be a widespread problem in UK flocks. [4][5][6][7] Although cases of inherited rickets has been reported in Corriedale sheep due to nonsense mutation in the dentin matrix protein 1 gene, 8 almost all rickets cases reported in sheep are considered nutritional in origin due to a lack of vitamin D or dietary phosphorus. [9][10][11] Several reports of rickets have reported the condition in southern Scotland and northern England flocks, notably in extensively farmed lambs which have being given access to nutritious grazing in late winter.…”

Section: Introductionmentioning

confidence: 99%

Rickets in Scottish blackface lambs on five South West Scotland farms

Hurst

Henderson²,

Stevenson³

et al. 2020

Vet Record Case Reports

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Vitamin D plays a critical role in the regulation of calcium and phosphate homeostasis and in the development and maintenance of skeletal health. Sheep can obtain vitamin D via either cutaneous production following exposure to UV radiation or consumption of vitamin D containing foodstuffs. In northern Europe, sheep are often unable to cutaneously generate vitamin D in late winter due to the lack of UV radiation. Consequently, they are heavily reliant on dietary sources of vitamin D, which, if insufficient, can lead to rickets in growing lambs. Here, we report the diagnosis of rickets in Scottish blackface lambs on five farms in South West Scotland. Cases were diagnosed based on classical skeletal clinical signs alongside extremely low concentrations of 25 hydroxyvitamin D, the major circulating metabolite of vitamin D, which is widely used to assess vitamin D status. This report demonstrates that rickets can be a major health problem in hill sheep.

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