X-linked ichthyosis X-linked ichthyosis X-linked ichthyosis (XLI) (also known as ") is a skin condition caused by the hereditary deficiency of the steroid sulfatase (STS) enzyme that affects 1 in 2000 to 1 in 6000 males. XLI manifests with dry, scaly skin and is due to deletions or mutations in the "STS" gene. XLI can also occur in the context of larger deletions causing contiguous gene syndromes. Treatment is largely aimed at alleviating the skin symptoms. The term is from the Ancient Greek 'ichthys' meaning 'fish'. The major symptoms of XLI include scaling of the skin, particularly on the neck, trunk, and
Henneke horse body condition scoring system cold days, a horse cannot eat enough food to balance the energy requirements of maintaining body heat so condition is often lost over winter. Monitoring a horse's body condition may alert a horse owner or barn manager to potential health or management issues. Body condition score can be affected by a variety of factors such as feed intake, weather, exercise, metabolic diseases like equine metabolic syndrome, pituitary pars intermedia dysfunction, illness, tooth issues, parasitic infections, reproduction, and many others. Appropriate horse care allows a proper body condition to be maintained in the horse. Henneke horse body condition scoring system The