Comparative evolution of some minerals, osteocalcin, 25(OH)D and 1,25(OH)2D in the female camel and its newborn in South Morocco
| Autor: | M. El Khasmi, F. Riad, A. Safwate, M. Bengoumi, K. Hidane, M. J. Davicco, V. Coxam, B. Faye, J.P. Barlet |
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| Jazyk: | English<br />French |
| Rok vydání: | 2000 |
| Předmět: | |
| Zdroj: | Revue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, Vol 53, Iss 2, Pp 115-119 (2000) |
| Druh dokumentu: | article |
| ISSN: | 0035-1865 1951-6711 |
| DOI: | 10.19182/remvt.9732 |
| Popis: | Postpartum kinetics of plasma minerals (Ca, P, Mg, Na and K), osteocalcin, 25(OH)D and 1,25(OH)2D were observed in the lactating camel (n = 5) and its newborn (n = 5) in South Morocco. Ca and P plasma levels (mg/l) were higher in camel calves than in dams from birth up to day 30 of life. At birth, Mg, Na and K plasma levels (mg/l) were lower in camel calves than in dams. OC plasma levels (ng/ml) were higher in camel calves than in their mothers from birth (3.4 ± 0.3 vs. 0.7 ± 0.3, P < 0.05) up to day 30 of life (5.2 ± 0.5 vs. 0.7 ± 0.3). These levels reached their maximum at day 3 after birth in camel calves (6.8 ± 0.5) and at day 4 postpartum in dams (2.3 ± 0.4). Plasma levels (pg/ml) for 25(OH)D and 1,25(OH)2D in newborn calves were lower at birth than those in dams (58.2 ± 12.4 vs. 480 ± 59.7, P < 0.05, and 834.8 ± 61.5 vs. 1301 ± 209, P < 0.05, respectively). These neonatal levels became significantly higher compared to those of the dams as early as day 15 after birth for 25(OH)D (176.4 ± 19.6 vs. 116.1 ± 30.4, P < 0.05), and day 7 after birth for 1,25(OH)2D (1215 ± 248 vs. 571 ± 64, P < 0.05). These results show that OC could be a reliable biomarker for neonatal bone growth in camel and that 25(OH)D and 1,25(OH)2D might play a major role in calcium homeostasis regulation in newborn calves and their lactating dams. |
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