Table 2. Concentration of MCPrG, HGA, and Their Metabolites in Urine Samples of Study Cows (C1–C5) on Day 3.
| concentration
in urine (nmol/mmol of creatinine) |
|||||
|---|---|---|---|---|---|
| item | C1 | C2 | C3 | C4 | C5 |
| HGAa | −f | − | − | − | − |
| MCPA-Gb | 15,160 | 66,228 | 15,192 | 45,091 | 53,623 |
| MCPA-Cc | − | − | − | − | − |
| MCPrGd | − | − | − | − | − |
| MCPF-Ge | 947 | 561 | 1391 | 1065 | 1705 |
a
Hypoglycin A (HGA) (LOD and LOQ are 166 and 546 nmol/mmol of creatinine, respectively).
b
Methylenecyclopropylacetyl-glycine (MCPA-G) (LOD and LOQ are 160 and 527 nmol/mmol of creatinine, respectively).
c
Methylenecyclopropylacetyl-carnitine (MCPA-C) (LOD and LOQ are 70 and 232 nmol/mmol of creatinine, respectively).
d
Methylenecyclopropylglycine (MCPrG) (LOD and LOQ are 295 and 974 nmol/mmol of creatinine, respectively).
e
Methylenecyclopropylformyl-glycine (MCPF-G) (LOD and LOQ are 92 and 303 nmol/mmol of creatinine, respectively).
f
−, not detected.