Article ; Online: Enzootic calcinosis in Toggenburg goats in New Zealand.
New Zealand veterinary journal
2023 Volume 72, Issue 1, Page(s) 45–52
Abstract: ... Concentrations of calcium, phosphorus, 25-hydroxyvitamin D: Vegetation survey: All paddocks on the property ... perpendicularly to form a grid. No known calcinogenic species were identified. Known plant sources of vitamin D ... vitamin D toxicosis of non-plant origin. ...
Abstract | Case history: Necropsies on Toggenburg goats culled from a small farm in the Manawatū district of New Zealand, performed at Massey University (Palmerston North, NZ) over a period of 29 years (1991-2019), revealed soft tissue mineralisation, particularly of cardiovascular tissues. The farm spans 10 acres and runs between 15 and 30 Toggenburg goats. The goats are predominantly on pasture comprising a variety of types. Pathological findings: Necropsies were performed on all adult goats (n = 45) that died or were euthanised. Histopathology was performed on 42 goats (93%), of which 33 (73%) included sufficient tissues diagnostically relevant to soft tissue mineralisation. The most significant gross findings were in various arteries, with the aorta most commonly affected, followed by the heart and lungs. The aortic intima showed prominent, multifocal to coalescing, raised, wrinkled, white plaques. Microscopically there were multiphasic lesions of mineralisation, chondroid, and osseous metaplasia in the elastic arteries, aorta, heart and lungs. A lumbar vertebra from one goat had prominent, basophilic, fibrillar, tangled matrix lining Haversian canals and lamellae. Laboratory findings: Blood samples were collected from 15 adult goats in the affected herd and from 10 adult Toggenburg goats from an unaffected herd. Samples were collected by jugular venipuncture at 2-month intervals for 12 months (April 2018-March 2019). Concentrations of calcium, phosphorus, 25-hydroxyvitamin D Vegetation survey: All paddocks on the property were surveyed every 2 months along evenly spaced line transects, and then further traversed perpendicularly to form a grid. No known calcinogenic species were identified. Known plant sources of vitamin D identified on the farm included mushrooms (species not defined), Diagnosis: Soft tissue mineralisation and enzootic calcinosis. Clinical relevance: Veterinarians are alerted to the possibility of either enzootic calcinosis in goats and the potential occurrence of calcinogenic plants in New Zealand; or chronic vitamin D toxicosis of non-plant origin. |
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MeSH term(s) | Humans ; Animals ; New Zealand/epidemiology ; Vitamin D ; Calcifediol ; Calcinosis/pathology ; Calcinosis/veterinary ; Goats ; Goat Diseases/epidemiology |
Chemical Substances | Vitamin D (1406-16-2) ; Calcifediol (P6YZ13C99Q) |
Language | English |
Publishing date | 2023-12-10 |
Publishing country | England |
Document type | Journal Article |
ZDB-ID | 415642-0 |
ISSN | 1176-0710 ; 0048-0169 |
ISSN (online) | 1176-0710 |
ISSN | 0048-0169 |
DOI | 10.1080/00480169.2023.2263399 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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