Physiological Factors in the Interpretation of Equine Hematological Profile

Satué, K.; Hernández, Ángel Alonso; Muñoz, A.

doi:10.5772/38961

Cited by 44 publications

(54 citation statements)

References 57 publications

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“…The later two intervals were developed for horses dedicated mainly to sports, this could explain the difference since these horses are usually under better feeding practices; at the same time training could also influence the concentration of erythrocytes and haemoglobin. In relation to this higher RBC counts Satué et al (2012) reported that "hot-blooded breeds" have higher RBC count, Hb and PCV than draught horses, ponies or the "cold-blooded breeds", for which PCV as low as 24% can be found in healthy animals. This cold-blooded breeds category includes Chilean creole horses and the crossbred horses used for draught work in Chile.…”

Section: Resultsmentioning

confidence: 97%

“…Differences in the RIs established could be product of differences in laboratory analysis, but could also reflect the diversity in genetic characteristics, husbandry practices, geoclimatic conditions and adaptation to the work performed by the individuals that were evaluated (Satué et al 2012, Padalino et al 2014. Table 2 shows the comparison between RIs for haematological and biochemical variables established for Chilean urban-working horses and those established for Thoroughbred horses in Europe (Knottenbelt 2006), Chilean Creole Horses in Chile (Wittwer 2012) and working horses in Pakistan (Pritchard et al 2009).…”

Section: Resultsmentioning

confidence: 99%

“…On the same line, training can affect basal levels of RBC count, Hb and PCV. For example endurance trained horses have lower resting values of these variables (Satué et al 2012), type of exercise comparable to the draught work performed by urban working horses. On the other hand, a decrease in RBC and haemoglobin due to anaemia has been considered as a cause of low values, but Chile is free of equine infectious anaemia and Trypanosoma spp.…”

Section: Resultsmentioning

confidence: 99%

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Haematological and serum biochemical reference values for urban-working equines in Chile

Aros

Carrasco

Briones

et al. 2017

Austral j. vet. sci.

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ABSTRACT. Blood variables are an important tool when assessing the health and welfare of working horses. Commonly, reference intervals established abroad for Thoroughbreds are used, which not necessarily apply for local conditions. Thus, the aim of this study was to establish haematological and biochemical reference intervals for apparently healthy working horses under Chilean local husbandry conditions, and compare them with those proposed in the literature. A group of 320 working horses were sampled, and reference intervals were calculated for 11 haematological and 15 serum biochemical variables according to IFCC (International Federation of Clinical Chemistry) standards. The reference intervals calculated were then compared with those established in the literature for sport and working horses. The percentage of horses below and above the reference intervals from the literature was also calculated. Reference intervals for red blood cell count, haemoglobin and haematocrit were lower for 92.6%, 34.7% and 62.4% of Chilean working horses respectively when compared to reference intervals for UK horses. On the other hand, enzyme reference intervals were higher for CK, LDH and AST, and were higher for 100%, 94.9% and 70.6% of Chilean working horses when compared to reference intervals for UK horses. In conclusion, results show that reference intervals established overlap with those from the literature. The main differences were found when comparing the reference values with those established for sport horses such as Thoroughbreds, whereas values adequate better to those established for working horses in Pakistan.

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Section: Resultsmentioning

confidence: 97%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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Haematological and serum biochemical reference values for urban-working equines in Chile

Aros

Carrasco

Briones

et al. 2017

Austral j. vet. sci.

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“…Each animal exhibits differing HPA action responses to a similar stimulus. Similarly, HP can be used to observe the severity of a problem in an animal, as they show differing blood cell numbers (Jawasreh et al 2010;Satué et al 2012).…”

Section: Introductionmentioning

confidence: 99%

Seasonal variation in coat characteristics, tick loads, cortisol levels, some physiological parameters and temperature humidity index on Nguni cows raised in low- and high-input farms

2014

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Seasonal variations in hair length, tick loads, cortisol levels, haematological parameters (HP) and temperature humidity index (THI) in Nguni cows of different colours raised in two low-input farms, and a commercial stud was determined. The sites were chosen based on their production systems, climatic characteristics and geographical locations. Zazulwana and Komga are low-input, humid-coastal areas, while Honeydale is a high-input, dry-inland Nguni stud farm. A total of 103 cows, grouped according to parity, location and coat colour, were used in the study. The effects of location, coat colour, hair length and season were used to determine tick loads on different body parts, cortisol levels and HP in blood from Nguni cows. Highest tick loads were recorded under the tail and the lowest on the head of each of the animals (P < 0.05). Zazulwana cows recorded the highest tick loads under the tails of all the cows used in the study from the three farms (P < 0.05). High tick loads were recorded for cows with long hairs. Hair lengths were longest during the winter season in the coastal areas of Zazulwana and Honeydale (P < 0.05). White and brown-white patched cows had significantly longer (P < 0.05) hair strands than those having a combination of red, black and white colour. Cortisol and THI were significantly lower (P < 0.05) in summer season. Red blood cells, haematoglobin, haematocrit, mean cell volumes, white blood cells, neutrophils, lymphocytes, eosinophils and basophils were significantly different (P < 0.05) as some associated with age across all seasons and correlated to THI. It was concluded that the location, coat colour and season had effects on hair length, cortisol levels, THI, HP and tick loads on different body parts and heat stress in Nguni cows.

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“…Afterwards, blood samples were collected once a week, for a total of 5 weeks data recording. All horses showed no stress reaction during blood sampling that was performed in less than 30 sec, excluding an excitement-induced spleen contraction (Satué et al 2012).…”

Section: Methodsmentioning

confidence: 99%

Different training schedules influence platelet aggregation in show jumping horses

Giannetto¹,

Arfuso²,

Fazio³

et al. 2017

Polish Journal of Veterinary Sciences

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Depending on the intensity, duration and type of physical exercise, equine metabolism has to adapt to nervous, cardiovascular, endocrine and respiratory system requirements. In horses, exercise and training are known to have considerable effects on the mechanisms of hemostatic system involving platelet activity. The aim of the present study was to evaluate the effect of different training schedules on platelet aggregation in 15 Italian Saddle jumping horses. Animals were divided into three equal groups: Group A was subjected to a high intensity-training program; group B to a light training program, group C included sedentary horses. From each animal, blood samples were collected by jugular venipuncture at rest on the 1st, 3rd and 5th days, and afterwards, once a week, for a total of 5 weeks data recording, in order to assess the maximum degree of platelet aggregation and the initial velocity of aggregation (slope) platelet aggregation. Two-way analysis of variance (ANOVA) showed a significant effect of the different training schedules on studied parameters.The results revealed a different degree of platelet aggregation and a different initial velocity of platelet aggregation that changes during the different training schedules in horses that could represent a different protective endothelial mechanism. These findings could have an important role for a clearer knowledge of the physiological reference values of platelet aggregation and for a better interpretation of these variations during the training.

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Physiological Factors in the Interpretation of Equine Hematological Profile

Cited by 44 publications

References 57 publications

Haematological and serum biochemical reference values for urban-working equines in Chile

Haematological and serum biochemical reference values for urban-working equines in Chile

Seasonal variation in coat characteristics, tick loads, cortisol levels, some physiological parameters and temperature humidity index on Nguni cows raised in low- and high-input farms

Different training schedules influence platelet aggregation in show jumping horses

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