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Table 2 Effect of age on hematological 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
Packed Cell Volume G1 39.40Aa ± 4.51 50.40Aa ± 3.65 46.20Aa ± 5.89 43.60Aa ± 8.91 NS
G2 39.71Aa ± 6.13 56.14Ab ± 10.12 51.00Aa ± 9.38 41.57Aa ± 8.14 **
G3 43.29Aa ± 2.75 54.71Ab ± 5.74 48.29Aa ± 9.86 41.85Aa ± 5.05 **
Hemo-globin G1 12.06Aa ± 2.43 24.60Aa ± 6.29 23.58Aa ± 7.72 20.82Aa ± 10.38 NS
G2 10.14Aa ± 1.02 19.26Ab ± 6.06 21.49Ab ± 5.35 21.40Ab ± 7.17 **
G3 12.50Aa ± 2.59 23.43Ab ± 6.08 25.87Ab ± 6.41 25.70Ab ± 6.61 ***
  1. Means ± standard deviation, Levels of significance: NS, not significant; **P < 0.1; ***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)