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Online Journal of Veterinary Research ©
Volume 11 (2): 11 (2): 143-152, 2010
Effect of dehydration and rehydration on serum and forestomach osmolality,
Na+ and K+ concentrations in Camelus dromedaries
K Abdoun1* (MVSc,
PhD), A Alameen2 (BVM),
T Makkawi2 (BSc, MSc) and A Al-Haidary1 (MSc, PhD)
1Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, PO Box 2460; Riyadh 11451, Kingdom of Saudi Arabia, 2Department of Physiology, Faculty of Veterinary Medicine, University of Khartoum, 13314 Shambat, Sudan.
Abdoun K, Alameen A, Elmagbol W, Makkawi T, Al-Haidary A Effect of dehydration and rehydration on serum and forestomach osmolality, Na+ and K+ concentrations in Camelus dromedaries. Online J Vet Res, 11 (2): 143-152, 2010. This study aimed to monitor the changes in osmolality and concentrations of sodium and potassium ions of serum and forestomach liquor that accompany dehydration and rehydration in dromedary camels. The effects of 7 days dehydration and the following rehydration were examined. Seven days water deprivation significantly elevated PCV, serum osmolality, Na, K and aldosterone concentrations and forestomach liquor osmolality and Na concentration. On the second day of rehydration all tested parameters retained to the pre-dehydration level with the exception of serum aldosterone concentration which maintained at high level to prevent possible haemodilution. The results show rapid recovery of camels when water is available again.
Key words: Camel, hydration status, blood composition, forestomach liquor composition