Title
The hematological profile of the mountain gazelle (Gazella gazella): variations with sex, age, capture method, season, and anesthesia
Author(s)
Rietkerk F.E., Delima E.C., Mubarak S.M.
Published
1994
Publisher
Journal of Wildlife Diseases
Abstract
Hematological parameters were measured in 408 blood samples collected over a 30-mo period from 254 captive mountain gazelles (Gazella gazella) in Saudi Arabia. We evaluated the influence of sex, age, capture method, and season, on these parameters. Evaluations also were made with a small number of anesthetized animals. Males had a significantly higher mean corpuscular volume (MCV) and mean corpuscular hemoglobin (MCH) than females. There was no observed neutrophil: lymphocyte ratio shift for either sex during the first months of life. The effects of different capture methods generally were similar in males and females and included a significantly lower MCV and MCH after quick capture. Animals undergoing slow capture had a significantly lower mean corpuscular hemoglobin concentration (MCHC), and very pronounced stress neutrophilia. We propose that this stress neutrophilia caused the permanently high neutrophil: lymphocyte ratio (62:36 average for all gazelles tested) and the lack of a neutrophil: lymphocyte shift in young animals. Erythrocyte counts were significantly higher in summer, while packed cell volume and hemoglobin concentration were the same in summer and winter; thus there was a significantly lower MCV and MCH, and a significantly higher MCHC in summer in both sexes. Fibrinogen varied significantly by sex, age, capture method, and anesthesia.
Keywords
fibrinogen; aging; anesthesia; animal; animal disease; antelope; article; blood; blood cell; blood cell count; female; male; mean corpuscular volume; reference value; Saudi Arabia; season; sexual development; stress; Aging; Anesthesia; Animal; Animals, Newborn; Antelopes; Blood Cell Count; Blood Cells; Erythrocyte Indices; Female; Fibrinogen; Male; Reference Values; Saudi Arabia; Seasons; Sex Characteristics; Stress
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