Appropriate Calcium/D3 supplementation as well as UV provision is essential for young tortoises growing in the UK. If deficient they will choose to eat what they perceive to be calcium rich objects in their environment and as a result can become impacted. Medical therapy fixes most cases with environmental correction (Ca and UV light) essential as well as supportive care (including fluid therapy) and gastrointestinal lubricants. Xray those young straining tortoises! Metabolic bone disease will result in poor mineralisation of the distal bones of the limbs. This tortoise has ingested stones from the garden. Medical therapy resulted in a successful outcome in this case.