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Journal of animal science and technology2017; 59; 2; doi: 10.1186/s40781-017-0126-8

Effect of age on heart rate, blood lactate concentration, packed cell volume and hemoglobin to exercise in Jeju crossbreed horses.

Abstract: This study aimed to analyze the on heart rate, blood lactate concentration, packed cell volume (PCV) and hemoglobin (Hb) response after conducting exercise in endurance horses. Methods: A total of 20 healthy 3-9-years-old Jeju crossbreed mares (5.95 ± 2.24 year) of age and 312.65 ± 13.59 kg of weight) currently participating the endurance competition were used. The field tests selected for the experiment was gallop (approximately 8.3 m/s) along the selected 2.5 km course (a natural forest trail, not artificial road; a closed loop course). The horses were divided into three groups according to their age; 3-4 years of age (G1, 3.29 ± 0.49 year), 6-7 years of age (G2, 6.42 ± 0.53), and 8-9 years of age (G3, 8.50 ± 0.55). The measurements times for the heart rate, blood lactate concentration, PCV, and Hb analysis were conducted before exercise (T0), shortly after exercise (T1), 15 min after exercise (T2), and 30 min after exercise (T3), respectively. Data was analyzed using an analysis of covariance (ANCOVA) for repeated measures with times and groups. Results: The results of the comparison depending on the passage of rest time after exercise suggest that the heart rate and blood lactate concentration of three groups at T2 significantly decreased compared to T1 (p < 0.001). PCV of the G2 and G3 groups were significantly decreased at T2 compared to T1 (p < 0.01). Hb values at G2 (p < 0.01) and G3 (p < 0.001) groups were significantly decreased at T2 as compared to T1. However, heart rate, blood lactate concentration, PCV and Hb level at T1 showed no difference in the comparison of horses from different age groups with the exception of G3 group in terms of heart rate. Conclusions: The physiologic and hematological responses of horses during recovery time after 2,500 m exercise with gallop were no significant difference among the groups. These data are useful as a response evaluation method for training of endurance horses.
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Publication Date: 2017-01-25 PubMed ID: 28138395PubMed Central: PMC5267427DOI: 10.1186/s40781-017-0126-8Google Scholar: Lookup
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Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

The research investigates the effect of age on various physiological and hematological responses to exercise in Jeju crossbreed horses. Using a study population divided into three age groups, the researchers measured heart rate, blood lactate concentration, packed cell volume, and hemoglobin levels at different time points before and after exercise. They found no significant differences between the age groups in these parameters, suggesting that age does not significantly affect these responses in this breed of endurance horses.

Study Design and Methodology

  • The study was conducted on 20 healthy Jeju crossbreed mares aged between 3 and 9 years. All horses were participants in endurance competitions.
  • The study groups were divided according to their ages into three groups: G1 (3-4 years), G2 (6-7 years), and G3 (8-9 years).
  • Horses were subjected to a field exercise test involving a gallop of approximately 8.3 m/s along a natural forest trail stretching 2.5 km in a closed loop course.
  • Measurements of heart rate, blood lactate concentration, packed cell volume (PCV), and hemoglobin (Hb) were taken before exercise (T0), immediately after exercise (T1), 15 minutes after exercise (T2), and 30 minutes after exercise (T3).
  • The researchers used Analysis of Covariance (ANCOVA) for repeated measures with times and groups to analyze the collected data.

Results of the Study

  • The results showed that heart rate and blood lactate concentration significantly decreased in three groups, 15 minutes after exercise compared to immediately after exercise.
  • PCV and Hb values also significantly decreased at T2 compared to T1 for the G2 and G3 age groups.
  • However, there was no significant difference observed in heart rate, blood lactate concentration, PCV, and Hb levels immediately after exercise among horses from different age groups, with the exception of the oldest age group (G3) showing a different heart rate.

Conclusion of the Study

  • The researchers concluded that age does not appear to significantly influence the physiological and hematological responses of endurance horses during recovery after 2.5 km exercise with gallop.
  • The results of the study can be useful in the evaluation of responses during training of endurance horses.

Cite This Article

APA
Kang OD, Park YS. (2017). Effect of age on heart rate, blood lactate concentration, packed cell volume and hemoglobin to exercise in Jeju crossbreed horses. J Anim Sci Technol, 59, 2. https://doi.org/10.1186/s40781-017-0126-8

Publication

Journal of animal science and technology
ISSN: 2055-0391
NlmUniqueID: 101661694
Country: Korea (South)
Language: English
Volume: 59
Pages: 2

Researcher Affiliations

Kang, Ok-Deuk
  • Department of Hippotherapy Welfare, SungDuk C. University, Yeongcheon-si, 38801 Gyeongsangbuk-do Korea ; 105, Daehak-gil, Sinnyeong-Myeon, Yeongcheon-si, Gyeongsngbuk-do 38801 Korea.
Park, Yong-Soo
  • Department of Horse Industry, Korea National College of Agriculture and Fisheries, Jeonju-si, Jeollabuk-do 54874 Republic of Korea.

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Citations

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