Effects of exercise on cations/anions in blood serum of English Thoroughbred horses

Prado-Rebolledo, Omar; Morales, Basantes; García, María L.; Molina-Ochoa, Jaime; Valpuesta, S.G.; Hernández-Rivera, Juan A.; Garcia, Cyrielle

doi:10.1590/1678-4162-10830

Cited by 3 publications

(3 citation statements)

References 14 publications

(10 reference statements)

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“…Additionally, this reduction may also have been caused by the greater displacement of Cl − to red cells in exchange for HCO 3 − , as the latter was reduced at the end of the exercise [43]. Despite this, there was no hypochloremia, as observed in show jumping horses [25], which was in contrast to what was found in racehorses [40], endurance horses after 65 km [36] and stallions after marcha exercise [34]. Even though hydro-electrolyte imbalances can be more serious in long-term exercise, they can also occur in short-term exercise when performed under high-temperature and relatively humid conditions [44].…”

Section: Discussionmentioning

confidence: 94%

“…Despite the effort, the Na + cannot change, as it is essential for the maintenance of the circulating volume, and it is closely regulated by the renin-angiotensin-aldosterone system [39]. Consequently, even in horses that exercised for 30 min at 12 km/h, their concentration did not change 30 min after the end of the exercise [40]. The same happened with animals submitted to a marcha competition for 50 min at an average speed of 9-12 km/h [34].…”

Section: Discussionmentioning

confidence: 99%

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Effect of Lactate Minimum Speed-Guided Training on the Fluid, Electrolyte and Acid-Base Status of Horses

Titotto,

Santos,

Ramos

et al. 2023

Animals

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The effect of lactate minimum speed (LMS)-guided training on horses’ homeostasis is still unknown. Thus, this study aimed to evaluate the effect of an LMS-guided training program on the fluid, electrolyte and acid-base status of horses. Ten untrained Arabian horses were submitted to an LMS test on a treadmill before and after six weeks of training. The training intensity was 80% of the LMS in the first three sessions and 100% of the LMS in the other sessions. The venous blood was collected before (T-1) and after (T-2) training at rest, during and after the LMS test for lactate, pH, pCO2, HCO3−, and electrolyte measurements. The LMS and strong ion difference (SID4) were calculated. A mild increase in the mean values (p > 0.05) was observed at rest in T-2 in comparison with T-1 in the following variables: pH (from 7.436 ± 0.013 to 7.460 ± 0.012), pCO2 (from 42.95 ± 1.58 to 45.06 ± 0.81 mmHg), HCO3− (from 27.01 ± 1.02 to 28.91 ± 0.86 mmol/L), and SID4 (from 33.42 ± 1.45 to 35.06 ± 2.94 mmol/L). During T-2, these variables were more stable than during T-1. Despite the improvement in fitness, the LMS did not indicate a significant difference (from 5.40 ± 0.55 to 5.52 ± 0.20 m/s). The results confirmed that the LMS-guided training program had a positive impact on the horses’ acid-base status, although some adaptations are still required to improve their fitness.

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Section: Discussionmentioning

confidence: 94%

Section: Discussionmentioning

confidence: 99%

Effect of Lactate Minimum Speed-Guided Training on the Fluid, Electrolyte and Acid-Base Status of Horses

Titotto,

Santos,

Ramos

et al. 2023

Animals

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“…Physical exercise continuously interrupts the plasma calcium ion concentration, consequently changing the plasma electrolyte balance. 17 …”

Section: Discussionmentioning

confidence: 99%

The Effect of Intensity Soccer Training Sessions on Marked Biochemical Indicators of Blood Acidity of Saudi Young Soccer Players

Alshuwaier¹,

Ghazzawi²,

Alaqil³

et al. 2022

OAJSM

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Purpose To assess the effect of low-to-moderate-intensity exercise on specific blood biomarkers and blood acidity in young Saudi Arabian professional soccer players. Methods A total of 43 professional soccer players participated in the current study. A cross-sectional research method was used to compare the changes in the following blood biomarkers: calcium, magnesium, glucose, anion-gap metabolic acidosis, and carbon dioxide, after a range of low-to-moderate intensity training sessions. Measurements were taken in two soccer training sessions (Day 1, and Day 2). The exercise intensity was estimated by heart rate percentage of maximal heart rate. Wilcoxon signed-rank testing was used to analyze the results. Results Significant differences were found between and pre-and post-training sessions for anion-gap metabolic acidosis: Day 1: 12.55 vs 15.4 mmol/L; Day 2: 14.15 vs 16.35 mmol/L; and magnesium: Day 1: 0.82 vs 0.74 mmol/L; Day 2: 0.85 vs 0.74 mmol/L. Exercise caused anion-gap metabolic acidosis concentrations to rise post-training; magnesium levels decreased after training sessions on Day 1 and Day 2. Conclusion The concentrations of anion-gap metabolic acidosis and magnesium were significantly affected by exercise intensity in the subjects, the former rose post-training while the latter fell. More studies are required to investigate the effects of different exercise intensities on other blood biomarkers in soccer players.

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Physiological and biochemical responses and hydration status in equines after two barrel racing courses

et al. 2020

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Studies on biochemical constituents and hydration of horses in training or competitions are essential for the knowledge of their adaptive physiological and metabolic responses to the type of exercise inherent to the sport. The present research evaluated the effects of exercise on hydric status and physiologic and biochemical profiles in Quarter Horses during a barrel race training session. The design consisted of three evaluation times (T): at rest, before the start of physical activity (T0); immediately after a 10-minute warm-up trot and then running the barrel race courses twice with a 10-minute interval (T1); and after one hour’s rest after the second course (T2). The parameters analyzed were: heart rate (HR), respiratory rate (RR), body temperature (BT) and mucose color; the capillary refill time (CRT), packed cell volume (PCV), total plasma proteins (TPP), serum creatinine (CRE) and blood urea nitrogen (BUN) were evaluated and used to infer water status; plasma osmolarity (Osm) was measured; the electrolytes sodium (Na), potassium (K), chloride (Cl), total calcium (tCa), total magnesium (tMg) and phosphorus (P), plasma glucose (Glu) and lactate (Lac) and the muscle enzymes creattine kinase (CK) and aspartate aminotransferase (AST) completed the evaluated parameters. The data for the variables studied were submitted to ANOVA and the Tukey test at 5% probability. After exercise (in T1), HR, RR, BT, PCV, TPP, Glu, Lac, Cre increased (P<0.05), there was also increase in phosphorus and decrease in K (P<0.05), but there was no hypophosphatemia and hipokalemia, respectively. After rest (in T2), only glucose returned to baseline levels (T0) and, with lower mean values, HR, RR, BT, PCV, K and Lac did not return to baseline levels (T0), while P decreased (P<0.05). Osm, BUN, Na, Cl, tCa, tMg, CK and AST did not change between times (P>0.05). It was concluded that the maximum intensity exercise performed on two barrel race courses caused mild hemoconcentration, did not changed plasma osmolality or concentrations of important electrolytes and muscle enzymes of horses, but caused hyperlactatemia without the plasma lactate concentrations being fully recomposed after resting.

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Effects of exercise on cations/anions in blood serum of English Thoroughbred horses

Cited by 3 publications

References 14 publications

Effect of Lactate Minimum Speed-Guided Training on the Fluid, Electrolyte and Acid-Base Status of Horses

Effect of Lactate Minimum Speed-Guided Training on the Fluid, Electrolyte and Acid-Base Status of Horses

The Effect of Intensity Soccer Training Sessions on Marked Biochemical Indicators of Blood Acidity of Saudi Young Soccer Players

Physiological and biochemical responses and hydration status in equines after two barrel racing courses

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