*Failure of mineralisation of osteoid / softening of the bones
*Failure of mineralisation of osteoid / softening of the bones
−
*Active resorption of bone replaced by excess osteoid on trabeculae, endosteum of cortices and [[Haversian systems|Haversian canals]]
+
*Active resorption of bone replaced by excess osteoid on trabeculae, endosteum of cortices and [[Bones and Cartilage - Anatomy & Physiology#Bone Remodeling|Haversian canals]]
*Decreased resistance to tension -> osteoid build-up at tendon insertions
*Decreased resistance to tension -> osteoid build-up at tendon insertions
*In advanced disease
*In advanced disease
Line 191:
Line 191:
**Vitamin d is also present in sun-dried hay
**Vitamin d is also present in sun-dried hay
**Mostly seen where there is long grass growing season with poor sunlight
**Mostly seen where there is long grass growing season with poor sunlight