TABLE 2.
Effect of inulin supplementation on milk fatty acids in dairy cows with subclinical mastitisa
| Item (g/100 g of total FA) | FA name | Data for groups (n = 8)b |
SEM | P value | ||||
|---|---|---|---|---|---|---|---|---|
| Con | I-1 | I-2 | I-3 | I-4 | ||||
| SFA | 69.3 | 68.7 | 69.4 | 68.6 | 68.2 | 0.26 | 0.115 | |
| C4 | Butyric acid | 2.14 C | 2.17 C | 2.61 B | 2.72 A | 2.59 B | 0.035 | 0.032 |
| C6 | Caproic acid | 1.78 | 1.84 | 1.60 | 1.68 | 1.62 | 0.025 | 0.631 |
| C8 | Caprylic acid | 1.12 | 1.13 | 1.10 | 1.10 | 1.20 | 0.017 | 0.211 |
| C10 | Capric acid | 2.54 | 2.7 | 2.49 | 2.31 | 2.40 | 0.047 | 0.144 |
| C11 | Undecanoic acid | 0.11 C | 0.15 B | 0.18 A | 0.19 A | 0.16 B | 0.005 | 0.044 |
| C12 | Lauric acid | 3.17 | 3.12 | 3.09 | 3.12 | 3.07 | 0.045 | 0.256 |
| C13 | Tridecanoic acid | 0.11 C | 0.10 C | 0.17 B | 0.22 A | 0.15 B | 0.004 | 0.041 |
| C14 | Myristic acid | 10.1 | 10.4 | 10.3 | 10.1 | 10.5 | 0.10 | 0.165 |
| C15 | Pentadecanoic acid | 0.73 C | 0.79 C | 1.05 A | 1.08 A | 0.96 B | 0.017 | 0.022 |
| Anteiso C15:0 | Transisomeric pentadecanoic acid | 0.33 B | 0.35 B | 0.42 A | 0.46 A | 0.43 A | 0.011 | 0.041 |
| iso C15:0 | Isomeric pentadecanoic acid | 0.13 | 0.14 | 0.14 | 0.15 | 0.15 | 0.005 | 0.753 |
| C16 | Palmitic acid | 35.6 | 34.6 | 34.9 | 34.0 | 33.6 | 0.21 | 0.262 |
| iso C16:0 | Isomeric hexadecanoic acid | 0.18 | 0.19 | 0.16 | 0.17 | 0.16 | 0.005 | 0.130 |
| C17 | Heptadecanoic acid | 0.38 | 0.37 | 0.4 | 0.41 | 0.40 | 0.005 | 0.057 |
| anteiso C17:0 | Transisomeric heptadecanoic acid | 0.73 C | 0.79 C | 1.01 A | 1.13 A | 0.94 B | 0.03 | 0.021 |
| iso C17:0 | Isomeric heptadecanoic acid | 0.31 C | 0.34 C | 0.44 B | 0.51 A | 0.46 B | 0.016 | 0.035 |
| C18 | Stearic acid | 9.44 A | 9.19 AB | 8.94 B | 8.88 B | 9.04 AB | 0.105 | 0.024 |
| C20 | Arachidic acid | 0.21 | 0.20 | 0.16 | 0.17 | 0.18 | 0.005 | 0.094 |
| C22:0 | Behenic acid | 0.20 | 0.17 | 0.19 | 0.16 | 0.17 | 0.012 | 0.151 |
| UFA | 6.30 | 6.50 | 6.10 | 6.10 | 6.20 | 0.240 | 0.062 | |
| MUFA | 3.60 | 3.80 | 3.50 | 3.50 | 3.60 | 0.230 | 0.117 | |
| C14:1 | Myristoleic acid | 1.01 | 1.07 | 0.91 | 0.90 | 0.99 | 0.240 | 0.173 |
| C16:1 | Palmitoleic acid | 1.6 | 1.71 | 1.63 | 1.64 | 1.62 | 0.051 | 0.220 |
| Trans-9C18:1 | Elaidic acid | 0.74 | 0.76 | 0.78 | 0.77 | 0.74 | 0.022 | 0.185 |
| Cis-9C18:1 | Oleic acid | 18.7 A | 18.3 A | 16.7 B | 16.3 B | 16.8 B | 0.2 | 0.048 |
| C20:1 | Cis-11-eicosenoic acid | 0.21 | 0.23 | 0.17 | 0.18 | 0.20 | 0.004 | 0.087 |
| C22:1 | Erucic acid | 0.04 | 0.04 | 0.03 | 0.03 | 0.04 | 0.003 | 0.311 |
| PUFA | 2.70 | 2.68 | 2.61 | 2.60 | 2.58 | 0.033 | 0.074 | |
| C18:2n6c | Linolelic acid | 2.41 | 2.42 | 2.41 | 2.36 | 2.34 | 0.032 | 0.093 |
| C18:3n6 | γ-Linolenic acid | 0.03 | 0.02 | 0.02 | 0.02 | 0.03 | 0.002 | 0.149 |
| C18:3n3 | α-Linolenic acid | 0.02 | 0.04 | 0.03 | 0.05 | 0.04 | 0.002 | 0.081 |
| C20:3n6 | Cis-8,11,14-eicosatrienoic acid | 0.06 | 0.04 | 0.03 | 0.03 | 0.04 | 0.002 | 0.211 |
| C20:3n3 | Cis-11,14,17-eicosatrienoic acid | 0.18 | 0.16 | 0.12 | 0.14 | 0.13 | 0.005 | 0.305 |
| SMCFA | 22.2 | 22.8 | 22.6 | 22.5 | 22.8 | 0.088 | 0.230 | |
| LCFA | 42.1 | 41.0 | 41.0 | 39.0 | 39.7 | 0.33 | 0.063 | |
a
FA, fatty acids; SFA, saturated fatty acids; UFA, unsaturated fatty acids; MUFA, monounsaturated fatty acids; PUFA, polyunsaturated fatty acids; SMCFA, short- and medium-chain fatty acids; LCFA, long-chain fatty acids; Con, control group; I-1, inulin-1 group (the inulin addition level was 100 g/day per cow); I-2, inulin-2 group (the inulin addition level was 200 g/day per cow); I-3, inulin-1 group (the inulin addition level was 300 g/day per cow); I-4, inulin-1 group (the inulin addition level was 400 g/day per cow); SEM, standard error of the mean.
b
Different uppercase letters in a group represent significantly different values (P < 0.05).