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POST COMPETITION RECOVERY OF HYDROELECTROLYTIC AND ACID-BASE VARIABLES UNDER DISTINCT COMFORT INDEX IN EQUINES PARTICIPATING IN 90 KM FEDERATE RAID
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  • Gonzalo Marichal,
  • Gonzalo Suárez,
  • Carlos Soto,
  • Ana Meikle,
  • Marcos Muriel
Gonzalo Marichal
Universidad de la Republica Uruguay Facultad de Veterinaria
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Gonzalo Suárez
Universidad de la Republica Uruguay Facultad de Veterinaria
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Carlos Soto
Universidad de la Republica Uruguay Facultad de Veterinaria
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Ana Meikle
Universidad de la Republica Uruguay Facultad de Veterinaria
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Marcos Muriel
Universidad Nacional de la Plata Facultad de Ciencias Veterinarias

Corresponding Author:[email protected]

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Abstract

Background: The recovery of acid-base and hydro electrolytic balance at medical discharge after Raid races and its association with comfort index is unknown. Objetives: To determine hydroelectrolytic and acid base variations before, after and at the time of clinical discharge in 276 horses that completed 90 km Raid competitions. Study design: Cross sectional study Methods: Hematocrit, total protein, sodium, potassium, chloride, calcium, and serum pH were determined in samples before and after the race and after hydration and analyzed using a mixed procedure, including the moment regarding the race, comfort index, and their interaction. Results: Comfort index did not affect any variable; An interaction with comfort index and blood sample was only found in potassium concentrations, as concentrations were lower after hydration than before the race only in worse climate conditions (p<0.05). The pH values after the race were greater (p<0.01) than before the race and after hydration. The hematocrit and total protein values after hydration showed a correction to normal values, however, for total protein no differences were observed between this sample and before the race, while the hematocrit at medical discharge was still greater than the sample before the race (p<0.05). Sodium concentrations before and after the race were greater than those after hydration (p<0.05), for chloride, the concentrations before the race were greater than those after the race and hydration (p<0.05). Calcium concentrations after the race and hydration were lower than before the race (p<0.05). Main limitations: The medical treatment after races (hydration therapy) in each horse is not known. Conclusion: Most hydroelectrolytic and acid-base variables at the medical discharge did not reach the values before the race, but they were within the normal values. The comfort indicator was not explanatory in most of the variables.