Some effects of water deprivation on dorcas gazelle (Gazella dorcas) in the Sudan

S. M. Mohamed, B. H. Ali, T. Hassan

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Abstract

1. 1. The effects of dehydration for 10 days and subsequent rehydration for 2 days on some physiological and biochemical parameters were studied in the Dorcas gazelle. 2. 2. At the end of the 10 days of dehydration, feed intake and body weight were decreased by 42 and 29% of the control values, respectively. Rehydration restored most of the loss in feed intake and body weight. 3. 3. Dehydration decreased the water content in the faeces of the gazelles by 41%. Rehydration restored 36% of the lost faecal water. Urine volume in dehydrated animals decreased by 66%, an effect which was readily reversed by rehydration. 4. 4. Blood haemoglobin of dehydrated gazelles decreased by 22% but this effect was not reversed by rehydration for 2 days. 5. 5. Dehydration for 10 days decreased the concentration of serum glucose by 34% and increased that of urea and albumin by 34 and 18%, respectively. Dehydration for 2 days reversed these effects completely. 6. 6. The serum concentrations of sodium, potassium and chloride were increased by dehydration by 23, 44 and 18% respectively. After 2 days of rehydration the values returned to normal. 7. 7. No change in the heart rate, pulse or temperature was found during the dehydration period. 8. 8. The gazelles survived the 10 days of dehydration, although they tended to be drowsy, weak and emaciated during the last 2 days of dehydration. The animals appeared normal after rehydration.

Original languageEnglish
Pages (from-to)225-228
Number of pages4
JournalComparative Biochemistry and Physiology -- Part A: Physiology
Volume90
Issue number2
DOIs
Publication statusPublished - 1988
Externally publishedYes

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Water Deprivation
Sudan
Dehydration
Fluid Therapy
Water
Animals
Body Weight
Potassium Chloride
Serum
Sodium Chloride
Feces
Water content
Urea
Albumins
Hemoglobins
Blood
Heart Rate
Sodium
Urine
Glucose

ASJC Scopus subject areas

  • Physiology
  • Molecular Biology
  • Biochemistry

Cite this

Some effects of water deprivation on dorcas gazelle (Gazella dorcas) in the Sudan. / Mohamed, S. M.; Ali, B. H.; Hassan, T.

In: Comparative Biochemistry and Physiology -- Part A: Physiology, Vol. 90, No. 2, 1988, p. 225-228.

Research output: Contribution to journalArticle

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