Metabolic Bone Disease
Nutritional secondary hyperparathyroidism
Ayrıca bilinen adıyla: Nutritional Secondary Hyperparathyroidism, NSHP, Fibrous Osteodystrophy, Osteomalacia, Rickets
Kısaca
Metabolic Bone Disease (MBD), or nutritional secondary hyperparathyroidism, is a common and serious condition in captive reptiles and turtles. Caused by a lack of dietary calcium, improper calcium-to-phosphorus ratios, or insufficient UVB light, it leads to weak, deformed bones and muscle tremors. Learn how to recognize the signs, how veterinarians diagnose and treat it, and how proper husbandry can prevent this debilitating disease.
TL;DR. Sürüngen ve kaplumbağalarda kalsiyum veya UVB eksikliğinden önlenebilir durum: yumuşak kemikler, deformite ve titreme.
UVB ışığı D3 sentezi ve kalsiyum emilimi için esastır.
Nedir?
Metabolic bone disease in captive reptiles/turtles is usually nutritional secondary hyperparathyroidism: insufficient calcium or UVB leads to soft bones, fibrous reinforcement of limbs/jaws, and muscle tremors.
Nedenler ve risk faktörleri
Husbandry errors: inadequate UVB (290-315 nm), low dietary calcium, poor Ca:P ratio (aim near 2:1), cold enclosures. Fast-growing species are highest risk.
Belirtiler
- Rubber jaw; soft/warped shell in chelonians (cardinal)
- Swollen firm limbs, pathological fractures, lethargy, anorexia, tremors (common)
- Paresis/paralysis from spinal deformity (occasional)
Kısalmış çene ve şiş uzuvlar klasik ileri belirtilerdir.
Tanı
Husbandry review. Radiographs (gold): demineralized ghost bones, hidden fractures. Ionized calcium; biochemistry for kidney and phosphorus.
Röntgen demineralize kemik ve gizli kırık gösterir.
Tedavi
Oral or injectable calcium salts; phosphate binders if phosphorus high; cautious calcitriol after calcium stabilizes. Fix UVB, heat gradient, diet.
Prognoz
Excellent if early before severe deformity. Permanent shape changes may remain. Poor with paralysis or severe kidney disease.
Korunma
Linear UVB (replace every 6-12 months), calcium (± D3 indoors), gut-load insects, Ca-rich greens, correct thermal gradient.
Ne zaman veterinere
Emergency: continuous tremors/seizures, inability to lift body, soft jaw/shell, visible fractures, extreme lethargy or prolonged anorexia.
Kaynaklar
- Mader's Reptile and Amphibian Medicine and Surgery, 3rd Edition, pages 315-321, 811-814.
- BSAVA Manual of Reptiles, 3rd Edition, pages 102-105, 210-212.
My highlights & notes
Belirti ve bulgular
Nasıl teşhis edilir
- RadiographyAltın standart
- Plasma Biochemistry Panel
- Plasma Ionized Calcium
Tedavi yaklaşımları
Tedavi, lisanslı veteriner tarafından reçete edilmelidir. Spesifik dozlar kasıtlı gösterilmez.
Sık sorulan sorular
What is Metabolic Bone Disease?
Metabolic Bone Disease (MBD), or nutritional secondary hyperparathyroidism, is a common and serious condition in captive reptiles and turtles. Caused by a lack of dietary calcium, improper calcium-to-phosphorus ratios, or insufficient UVB light, it leads to weak, deformed bones and muscle tremors. Learn how to recognize the signs, how veterinarians diagnose and treat it, and how proper husbandry can prevent this debilitating disease.
What are the symptoms of Metabolic Bone Disease?
Soft, deformed carapace or plastron、Soft, pliable mandible or maxilla (rubber jaw)、Loss of appetite、Lethargy and weakness、Muscle tremors or twitching、Pathological fractures、Swollen, firm limbs、Paresis or paralysis
How is Metabolic Bone Disease diagnosed?
Radiography、Plasma Biochemistry Panel、Plasma Ionized Calcium
How is Metabolic Bone Disease treated?
Tedavi, lisanslı veteriner tarafından reçete edilmelidir. Spesifik dozlar kasıtlı gösterilmez.
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