Age- and gender-related variations in hematology, clinical biochemistry, and hormones in Spanish fillies and colts

Muñoz, A.; Riber, C.; Trigo, P.; Castejón, Francisco

doi:10.1016/j.rvsc.2011.11.009

Cited by 45 publications

(55 citation statements)

References 27 publications

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“…Thus, the reference limits obtained by them in RBC, Hb, Hc and LDH (Muñ oz et al, 2012) were lower in their upper limit than those observed in this study (Muñ oz et al, 2012). Similarly, RBC, Hb and Hc reference values, were higher than the normal values shown by other authors for untrained SPBs (Escribano et al, 1995;Rubio et al, 1995 and1996;Satue et al, 2009).…”

Section: Discussioncontrasting

confidence: 55%

“…These values are recommended because the normal ranges of haematological and biochemical parameters for an individual horse are usually quite narrow, whereas normal values for a breed fall into a wide range (Rose and Hodgson, 1994). However, the ASVPC (American Society for Veterinary Clinical Pathology) recommends a minimum of 40 observations for estimated 95% reference intervals in animals (ASVCP, 2005;Muñ oz et al, 2012). This study used a carefully selected and relatively large reference population of 94 animals.…”

Section: Discussionmentioning

confidence: 99%

“…However, in this context, it is very important to find out if these parameters are inheritable. At this moment, reference values for haematological and biochemistry parameters have only been published in SPB horses at rest (Muñ oz et al, 2012) but never before, during, or after an exercise test on a treadmill.…”

Section: Introductionmentioning

confidence: 99%

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Genetic analysis of haematological and plasma biochemical parameters in the Spanish purebred horse exercised on a treadmill

Escribano

Molina

Valera

et al. 2013

Animal

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The novel aim of this study was to describe the reference values of different haematological and biochemical parameters in the Spanish purebred horse (Andalusian, SPB) in each of the stages of a programmed exercise on a treadmill system, and to establish heritability and genetic correlations for these haematological and biochemical parameters. For this, 94 young SPB male horses (4.22 6 2.27 years old) were used. An increasing intensity exercise test at 4, 5, 6 and 7 m/s was carried out on a treadmill (6% inclination). Total red blood cells, total white blood cells, neutrophils and lymphocytes counts; haematocrit, haemoglobin, lactate, uric acid, creatinine and total plasma proteins concentrations and aspartate transaminase, lactate dehydrogenase, creatine-quinase activities were determined. To conclude: (i) the reference values for each parameter were determined for each of the exercise test stages (ii) all the parameters analysed manifested a medium-high heritability and a high repeatability. These results will, in the near future, determine the measuring guidelines for improving the SPB horse's athletic ability on an objective treadmill system and for selecting these animals in response to those parameters.

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Section: Discussioncontrasting

confidence: 55%

Section: Discussionmentioning

confidence: 99%

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Genetic analysis of haematological and plasma biochemical parameters in the Spanish purebred horse exercised on a treadmill

Escribano

Molina

Valera

et al. 2013

Animal

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“…From the fourth month a significant increase was observed, reaching levels similar to adults ( Figure 1b). The increase in TPP in foals up to one month of life may be related to dietary changes, by increased pasture intake, and the increase in muscular effort, by transference of mares and foals to larger paddocks 3 and this management strategy was carried out on the farm of the present study.…”

Section: Resultsmentioning

confidence: 99%

“…Foal hematological values change constantly during the gestational and neonatal periods and in the first months of life 2 . Hematological profile is commonly performed in equine medicine for a variety of reasons: to screen clinically healthy animals, to identify conditions that might increase the risk during anesthesia or surgery, to diagnose a disease and to assess its severity and consequences, to formulate a prognosis and to monitor the response to therapy or the progression of the disease 3 . Hotblooded horses (Arab and Thoroughbred) have been found to have higher RBC counts, hemoglobin concentration, packed cell volume, and blood volume compared to cold-blooded horses (draft horse and pony) 1 .…”

Section: Introductionmentioning

confidence: 99%

Hematologic values of thoroughbred foals from birth to six months of age

et al. 2014

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The common domestic equine species present various hematological differences within reference values as a result of age, breed, sex, physical activity, among others. Therefore, it is important that reference intervals should be established for these particularities. This work aimed to evaluate sequential changes in hematological parameters of healthy Thoroughbred foals from birth to six months of life. Blood samples were collected immediately after birth (before the intake of colostrum), at 24 h, 7 days, 1, 2, 3, 4, 5 and 6 months of age in order to measure packed cell volume (PCV), total plasma protein (TPP), fibrinogen and white blood cells (WBC). Descriptive statistics, analysis of one-way AOV and comparison between means by LSD test were accomplished. Hematological values were assessed in 1426 samples. The curve variations in PCV, total plasma protein, fibrinogen and WBC values observed in healthy Thoroughbred foals from birth to 6 months were similar to those described for other breeds. However, we verified higher TPP values than mean reference values at all ages. The ranges of fibrinogen and WBC showed small intervals and maximum values below the hematologic reference values for all ages. These changes in hematologic values provide useful information for clinical evaluation of Thoroughbred foals.

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Effects of age and season on haematological parameters of donkeys during the rainy and cold–dry seasons

et al. 2015

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The aim of the study was to investigate the effects of age and season on haematological parameters of donkeys at rest during the rainy and cold-dry seasons. Thirty healthy donkeys divided into three groups based on their age served as the subjects. During each season, blood sample was collected from each donkey thrice, 2 weeks apart, for haematological analysis, and the dry-bulb temperature (DBT), relative humidity (RH) and temperature-humidity index (THI) were obtained thrice each day during the experimental period using standard procedures. During the rainy season, the mean DBT (33.05 ± 0.49 °C), RH (73.63 ± 1.09 %) and THI (84.39 ± 0.71) were higher (P < 0.0001) than the corresponding values of 24.00 ± 0.44 °C, 36.80 ± 0.92 % and 64.80 ± 0.62, during the cold-dry season. Packed cell volume (PCV), erythrocyte count [red blood cell (RBC)], haemoglobin concentration (Hb), mean corpuscular volume (MCV), mean corpuscular haemoglobin (MCH), platelet count (PLT), leucocyte count [white blood cell (WBC)], lymphocyte count (LYM) and neutrophil/lymphocyte ratio (N/L) were higher (P < 0.05) in adults than foals during the rainy season. The MCV, MCH, WBC, NEU, LYM and PLT of adult and yearling donkeys were higher (P < 0.05) during the rainy than the cold-dry season. The PCV, RBC, Hb, MCV, MCH, and NEU of foals were higher in the rainy than the cold-dry season. The N/L of adult and foal donkeys were higher (P < 0.05) in the rainy than in the cold-dry season. In conclusion, PCV, RBC, Hb and LYM were considerably higher in foals than yearlings or adults during the rainy season, while erythrocytic indices and platelet counts were higher in adults or yearlings than in foals in both seasons. Erythrocytic indices, PLT and N/L were higher in the rainy than the cold-dry season in adults, yearlings and foals.

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Age- and gender-related variations in hematology, clinical biochemistry, and hormones in Spanish fillies and colts

Cited by 45 publications

References 27 publications

Genetic analysis of haematological and plasma biochemical parameters in the Spanish purebred horse exercised on a treadmill

Genetic analysis of haematological and plasma biochemical parameters in the Spanish purebred horse exercised on a treadmill

Hematologic values of thoroughbred foals from birth to six months of age

Effects of age and season on haematological parameters of donkeys during the rainy and cold–dry seasons

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