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Online Journal of Veterinary Research  

(Including Medical and Laboratory Research)

Established 1994

ISSN 1328-925X


Volume 27 (11): 612-617, 2023.

Associations between serum vitamin D3 with calcium, phosphorus and parathyroid hormone in male and female horses.


Hoda Erjaee, Mohammad Vahid Sadeghi Sarvestani, Masoumeh Honarmand, Saeed Nazifi


School of Veterinary Medicine, Shiraz University, Shiraz, Iran




Erjaee H, Sadeghi Sarvestani MV, Honarmand M, Nazifi S., Associations between serum 25-hydroxyvitamin D3 with calcium, phosphorus and parathyroid hormone in male and female horses, Onl J Vet Res., 27 (11): 612-617, 2023.We report correlation between serum calcium, phosphorous, parathytroid hormone, (PTH) and Vitamin 25(OH)D3 in 15 male and 45 female horses. Females and males were isolated by serum 25(OH) D3 concentrations of <20; 20-40 and >40 ng/ml and found no difference between male and female serum calcium, phosphorous, 25(OH)D3 or parathyroid hormone. We found no correlation between serum phosphorus and 25(OH) D3 concentrations in any group but we did find significant inverse correlation between serum calcium and vitamin 25(OH)D3 (r= -0.348; P < 0.01). We found no differences with serum phosphorus, parathyroid hormone but did find that in females with highest vitamin 3D (>40ng/ml) compared with those with low vitamin 3D (<20) had ~6% higher (P < 0.05) calcium whereas in males was ~9% higher (P < 0.05). We found no correlations between serum 25(OH)D3 and parathyroid hormone levels.


Key Words: Parathyroid hormone, Calcium, Phosphorous, 25-hydroxyvitamin D3.