The Hematological Profile of the Mountain Gazelle (Gazella Gazella): Variations With Sex, Age, Capture Method, Season, and Anesthesia

Rietkerk, Frank; Delima, Edgardo C.; Mubarak, Saeed

doi:10.7589/0090-3558-30.1.69

Cited by 24 publications

(17 citation statements)

References 4 publications

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“…These results have been also found in other animal species, such as Mountain gazelle [25]. However, work in experimental animals found that during winter, erythrocytes appear smaller in size than in spring and summer [18].…”

Section: Red Blood Cell Parameterssupporting

confidence: 76%

Influence of the month of the year in the hematological profile in carthusian broodmares

Satué¹,

Gardón²,

Muñoz³

2013

Hematol Leuk

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Section: Red Blood Cell Parameterssupporting

confidence: 76%

Influence of the month of the year in the hematological profile in carthusian broodmares

Satué¹,

Gardón²,

Muñoz³

2013

Hematol Leuk

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“…Changes in white and red blood cell counts and morphology may result from disease or trauma and provide helpful information for monitoring the patient during treatment. Other factors to consider when interpreting blood work are restraint method, variation in habitat or management, and demographic characteristics (Kock et al 1990a;Rietkerk et al 1994). The impact of these effects can only be detected by referring to a baseline.…”

mentioning

confidence: 99%

Baseline Hematologic Results for Free-ranging White Rhinoceros (Ceratotherium simum) in Kruger National Park, South Africa

Miller

Buss

Wanty³

et al. 2015

Journal of Wildlife Diseases

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ABSTRACT:Complete blood counts (n5115) and red blood cell analytes (n580) were assessed in free-ranging white rhinoceros (Ceratotherium simum) from Kruger National Park (KNP), South Africa. Blood was collected from healthy animals immobilized between February and September 2009-11 for management purposes. Our objectives were to establish baselines for KNP's white rhinoceros population and to compare results based on sex and age group. Significant differences in total white blood cells, total eosinophils, and hemoglobin were found between adult and subadult rhinoceros. Female rhinoceros had significantly higher total white blood cells and lower hemoglobin compared with males. Hematologic analytes were similar to those published for other rhinoceros populations, although the impact of capture and sampling methods, nutritional status, and habitat should be considered when comparing data. This baseline hematology for healthy free-ranging white rhinoceros in KNP may be useful in assessing health status for translocation and medical interventions, including treatment of poaching cases.

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“…The amount of Hb for transporting oxygen in a fixed blood volume varies mainly with Hct, the fraction of the total blood volume that is erythrocytes. MCHC is relatively constant in mammals at 35-40% (Lenfant, 1969), although studies have revealed small effects of season (Villegas Amtmann, 2009), sex and physiological state (Rietkerk et al, 1994). Hct, which is quite plastic and dependent on the level of splenic contraction (Hurford et al, 1996), is nearly independent of body mass (Burke, 1966).…”

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confidence: 99%

Condition and mass impact oxygen stores and dive duration in adult female northern elephant seals

Hassrick

Crocker

Teutschel

et al. 2010

Journal of Experimental Biology

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SUMMARYThe range of foraging behaviors available to deep-diving, air-breathing marine vertebrates is constrained by their physiological capacity to breath-hold dive. We measured body oxygen stores (blood volume and muscle myoglobin) and diving behavior in adult female northern elephant seals, Mirounga angustirostris, to investigate age-related effects on diving performance. Blood volume averaged 74.4±17.0liters in female elephant seals or 20.2±2.0% of body mass. Plasma volume averaged 32.2±7.8liters or 8.7±0.7% of body mass. Absolute plasma volume and blood volume increased independently with mass and age. Hematocrit decreased weakly with mass but did not vary with age. Muscle myoglobin concentration, while higher than previously reported (7.4±0.7g%), did not vary with mass or age. Pregnancy status did not influence blood volume. Mean dive duration, a proxy for physiological demand, increased as a function of how long seals had been at sea, followed by mass and hematocrit. Strong effects of female body mass (range, 218-600kg) on dive duration, which were independent of oxygen stores, suggest that larger females had lower diving metabolic rates. A tendency for dives to exceed calculated aerobic limits occurred more frequently later in the at-sea migration. Our data suggest that individual physiological state variables and condition interact to determine breathhold ability and that both should be considered in life-history studies of foraging behavior.Key words: age, dive duration, elephant seal, oxygen stores. THE JOURNAL OF EXPERIMENTAL BIOLOGY 586 MATERIALS AND METHODS Field site and study sampleWe conducted this study at Año Nuevo State Reserve, San Mateo County, California, USA during semiannual female elephant seal haul-outs. For seven consecutive molt and breeding cycles between 2004 and 2008, we collected data on diving behavior in sampled animals. Individual seals were sampled 1-6times over the study period. We collected 257 measurements of mass, plasma volume and Hct in 112 known-age individual females at instrument deployment and recovery, prior to departure and after arrival from sea. Muscle myoglobin concentration was measured from 128 samples in 59 individuals.For each breeding and molt haul-out between 2004 and 2008, 19-25 females between 4 and 17years old were sampled and instrumented. Age of females was determined from identification codes on plastic flipper tags (Jumbo roto-tags, Dalton Company, Oxon, UK) that were attached shortly after weaning. Instruments were deployed on breeding females at least 22days post-partum. Females returning to breed were observed for 5days post-partum to ensure that the mother-pup bond was established before they were immobilized, instruments were recovered and samples were taken. We are not aware of data for whether blood volume changes after parturition in marine mammals but it does not change in ewes or cows and it has been suggested that maternal blood volume is maintained throughout lactation (Metcalfe and Parer, 1966;Reynolds, 1953). The effect of pr...

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The Hematological Profile of the Mountain Gazelle (Gazella Gazella): Variations With Sex, Age, Capture Method, Season, and Anesthesia

Cited by 24 publications

References 4 publications

Influence of the month of the year in the hematological profile in carthusian broodmares

Influence of the month of the year in the hematological profile in carthusian broodmares

Baseline Hematologic Results for Free-ranging White Rhinoceros (Ceratotherium simum) in Kruger National Park, South Africa

Condition and mass impact oxygen stores and dive duration in adult female northern elephant seals

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