Table 4.
Bicarbonate concentration (HCO3−) in different equine groups evaluated during 1 and 5 h of holding in a livestock market.
| Equids groups | Reference value (RV) Mean ± SE |
Time of remaining 1 h Mean ± SE |
Time of remaining 5 h Mean ± SE |
P-value |
|---|---|---|---|---|
| Mules (n = 176) | 30.10 ± 0.0005a,2 | 27.27 ± 0.45b,4 | 26.46 ± 0.71b,2 | <0.0001 |
| Donkeys (n = 244) | 25.80 ± 0.0001c,4 | 27.07 ± 0.37b,4 | 28.42 ± 0.74a,1 | <0.0001 |
| Cull horses (n = 466) | 22.20 ± 0.0006b,5 | 28.19 ± 0.22a,2,3 | 22.03 ± 00.42a,1,2 | <0.0001 |
| Charreria horses (n = 246) | 30.90 ± 0.28b,1 | 31.59 ± 0.16a,1 | 27.67 ± 0.46c,1,2 | <0.0001 |
| Foals (n = 158) | 26.31 ± 0.64a,4 | 27.46 ± 0.49a,3,4 | 24.40 ± 0.61b,3 | 0.0010 |
| Ponies (n = 148) | 27.61 ± 0.65a,3 | 28.84 ± 0.41a,2 | 24.54 ± 0.58b,3 | <0.0001 |
a,b,cLetters in the same row indicate differences among treatments in the same species.
1,2,3,4Numbers in the same column indicate differences among species in the same treatment. Tukey test (P < 0.05); n, number of animals; SE, standard error.