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Table 1 Effect of age on physiologic parameters in field test of endurance horses

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

Items Group Experimental conditions (M ± SD) Sig.
T0 T1 T2 T3
Heart Rate G1 44.00Aa ± 0.72 139.4Ab ± 17.24 78.00Ac ± 12.06 61.20Ac ± 13.52 ***
G2 46.00Aa ± 3.70 138.43Ab ± 13.05 90.29Ab ± 9.95 71.43Ab ± 7.43 ***
G3 45.14Aa ± 3.53 124.00Ab ± 23.31 71.00Bb ± 14.32 55.43Ba ± 9.93 ***
Lactate G1 0.72Aa ± 0.11 11.08Ab ± 4.69 5.06Aa ± 4.01 2.68Aa ± 2.32 ***
G2 1.09Aa ± 0.15 9.76Ab ± 1.07 3.81Ab ± 1.65 2.43Aa ± 1.20 ***
G3 1.10Aa ± 0.38 9.71Ab ± 3.55 3.23Aa ± 1.76 1.74Aa ± 0.78 ***
  1. Means ± standard deviation, Levels of significance: ***P < 0.001
  2. T0 = before exercise; T1 = shortly after exercise; T2 = after 15 min exercise; T3 = after 30 min exercise; G1 = 3–4 years of age; G2 = 6–7 years of age; G3 = 8–9 years of age
  3. A,BMeans with different superscripts in the same column significantly different (P < 0.05)
  4. a,bMeans with different superscripts in the same row significantly different (P < 0.05)