University of Khartoum

Effect of State of Hydration on Body Weight, Blood Constituents and Urine Excretion in Nubian Goats (Capra hircus)

Effect of State of Hydration on Body Weight, Blood Constituents and Urine Excretion in Nubian Goats (Capra hircus)

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Title: Effect of State of Hydration on Body Weight, Blood Constituents and Urine Excretion in Nubian Goats (Capra hircus)
Author: Abdelatif, Abdalla M.; Elsayed, Salwa A.; Hassan, Yahia M.
Abstract: The objective of this study was to evaluate the physiological responses to state of hydration in female Nubian goats. The effects of 3 days of dehydration and 2 days of rehydration on body weight (BW), blood constituents and urine excretion were monitored . The daily feed intake was significantly decreased by water deprivation. The feed intake returned to control level within 2 days after rehydration. The mean (BW) decreased significantly (20.2%) in dehydrated animals. The loss in (BW) was recovered immediately after drinking . Water deprivation resulted in a significant increase in rectal temperature (Tr), it returned to normal level after drinking. There was marked significant increase in packed cell volume (PCV) in dehydrated animals, the (PCV) returned to normal level after rehydration. Water deprivation was associated with significant increases in serum concentrations of total protein, albumin, urea and creatinine, after rehydration, these parameters returned to the control level, except albumin. Water deprivation and rehydration had no significant effect on plasma glucose and serum sodium (Na) and potassium (K) levels. Serum osmolality increased progressively and significantly during water deprivation and returned to normal level on the second day of rehydration. The glomerular filtration rate (GFR) and urine volume decreased significantly during dehydration and returned to normal level in the second day of rehydration. Dehydration was associated with significant increase in urine urea concentration; following rehydration the urea level decreased to control level in the second day.
URI: http://khartoumspace.uofk.edu/123456789/21914


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