Table 3.
Concentration of blood pH 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) | 7.32 ± 0.0005c,4 | 7.42 ± 0.01a,1 | 7.38 ± 0.008b,1,2 | <0.0001 |
| Donkeys (n = 244) | 7.38 ± 0.003a,3 | 7.38 ± 0.004a,2 | 7.35 ± 0.006b,4 | 0.0531 |
| Cull horses (n = 466) | 7.47 ± 0.0001a,1 | 7.43 ± 0.002b,1 | 7.40 ± 0.008c,1 | <0.0001 |
| Charreria horses (n = 246) | 7.42 ± 0.004a,2 | 7.36 ± 0.003b,3 | 7.32 ± 0.01c,5 | <0.0001 |
| Foals (n = 158) | 7.46 ± 0.014a,1 | 7.36 ± 0.008b,3 | 7.34 ± 0.011b,4,5 | <0.0001 |
| Ponies (n = 148) | 7.41 ± 0.013a,2 | 7.37 ± 0.005b,2,3 | 7.36 ± 0.007b,2,3 | 0.0007 |
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. The same animals were sampled at one and five hours.