Nutritional Secondary Hyperparathyroidism in the Equines of Jammu Region

A study was undertaken on 29 equines with a history of lameness, difficulty in mastication, reduced feed intake, and swelling of facial
bones. Feeding history was recorded and clinical examination of all horses was performed. Radiographs of the head of some horses
were taken. Blood samples were collected from 14 osteodystrophic and 6 healthy horses to estimate plasma levels of Ca, P, ALP, BUN,
and creatinine. Urine samples were collected for a routine examination, sulkowitch test, urine calcium, and phosphorus estimation,
and fractional urinary clearance of phosphorus was calculated. Mean values of P, ALP and UFCP was significantly higher in NSHP
affected horse than healthy horses. Radiographs of the head revealed decreased bone density, loosened teeth in alveolar sockets, and
increased osteoid thickening of maxillae and mandible bones. Young horses were more susceptible than older horses. All the animals
were treated by supplementation of 40 gm of calcium carbonate orally for 2 months, resulting in the disappearance of lameness and
returning animals to normal work.