Table 2.
Mean milk fatty acid concentrations and standard deviation per cow type (n = 2,432 observations) in g/100 g milk for palmitic acid (C16:0), stearic acid (C18:0), and oleic acid (C18:1) as calculated using milk FTIR and the standard error (SE) of the prediction
| Healthy (n = 539) |
Clever (n = 1,584) |
Athletic (n = 146) |
Hyperketonemic (n = 82) |
PMAS (n = 81) |
Total (n = 2,432) |
SE (prediction) |
|
|---|---|---|---|---|---|---|---|
| C16:0 | 1.30a (0.22) |
1.07b (0.19) |
1.22c (0.20) |
1.01b (0.20) |
1.23c (0.22) |
1.13 (0.22) |
0.11 |
| C18:0 | 0.59a (0.11) |
0.41b (0.10) |
0.70c (0.15) |
0.45d (0.11) |
0.68c (0.14) |
0.48 (0.15) |
0.05 |
| C18:1 | 1.40a (0.33) |
0.90b (0.25) |
1.73c (0.44) |
0.98b (0.31) |
1.74c (0.42) |
1.09 (0.41) |
0.07 |
PMAS, poor metabolic adaptation syndrome;16:0, palmitic acid; C18:0, stearic acid; C18:1, oleic acid.
a–d Letters indicate mean fatty acid concentrations differ as determined by pairwise comparisons using Wilcoxon rank sum test with a Bonferroni correction (P < 0.05).