Comparison of completed and eliminated horses on heart rate, creatine kinase, lactate and electrolytes in endurance race

Abdul Rahim, Zulfitri Naim (2022) Comparison of completed and eliminated horses on heart rate, creatine kinase, lactate and electrolytes in endurance race. [Project Paper] (Submitted)

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Abstract

Endurance horses are subjected to prolonged stress during competition even after several conditioning regimes. Performance of these horses will be determined by the adaptability to the exercise. This study aims to determine the differences on heart rate, creatine kinase, lactate and electrolytes between successfully completed and eliminated horses after an endurance race. Fifty-one horses aged 6 – 25 years competed in 100 km race category. All the horses were physically examined, and at the end of the race, eliminated (n = 11) and completed (n = 7) horses were selected and blood samples were collected via jugular venipuncture. Heart rate data were collected based on the record from horses’ logbooks. Serum samples were extracted and analysed in laboratory for creatine kinase (CK), blood lactate, sodium (Na), potassium (K) and chloride (Cl). These parameters were tested statistically using independent-samples t- test and described as mean and standard deviation. The result showed significant differences in post-race heart rate and blood lactate (p<0.05). Heart rate and lactate of eliminated horses, 67 ± 11 bpm and 3.44 ± 1.39 mmol/L exhibited higher mean score compared to the completed horses, 58 ± 2 bpm and 1.61 ± 0.36 mmol/L respectively. Post-race CK and electrolytes are unable to be proven having significant difference (p>0.05) between the completed and eliminated endurance horses. In conclusion, heart rate and blood lactate of horses may be used as assessment indicators in endurance training to predict the horses’ potential performance in endurance races.

Item Type:	Project Paper
Faculty:	Faculty of Veterinary Medicine
Depositing User:	Ms. Nordeena Abdul Aziz
Date Deposited:	30 May 2024 08:38
Last Modified:	30 May 2024 08:38
URI:	http://psaspb.upm.edu.my/id/eprint/1885

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