Sampling time (h)   0.5   Dunnett’s test   1   Dunnett’s test
GD1 GD2 WT GD1 GD2 WT
Peak height ratio of metabolite/ metoclopramide Mean
SD
Mean
SD
Mean
SD
Mean
SD
Mean
SD
Mean
SD
M3/metoclopramide 0.39 0.58 0.49 NS 0.47 0.57 0.39 NS
(0.24) (0.33) (0.24) (0.23) (0.28) (0.16)
M4/metoclopramide 1.51 2.72 2.88 NS 1.91 2.54 2.22 NS
(0.54) (1.45) (1.03) (0.21) (0.98) (0.34)
M1/metoclopramide 0.03 0.07 0.05 NS 0.04 0.08 0.07 NS
(0.01) (0.04) (0.02) (0.01) (0.04) (0.02)
Sampling time (h) Experimental group 0.5 Dunnett’s
test
  1   Dunnett’stest
GD1 GD2 WT GD1 GD2 WT
Peak height ratio between 2 differentmetabolites Mean(SD) Mean(SD) Mean(SD) Mean(SD) Mean(SD) Mean(SD)
M3/M4 0.24 0.21 0.16 NS 0.24 0.26 0.17 NS
(0.08) (0.09) (0.04) (0.11) (0.07) (0.05)
M3/M1 14.51 8.08 10.71 NS 10.81 7.06 5.25 GD1>WT**
(2.77) (3.18) (0.79) (3.24) (0.75) (1.35)
M4/M1 63.29 38.48 67.82 WT>GD2* 47.33 28.38 30.83 GD1>WT*
(20.57) (8.93) (10.33) (14.10) (7.42) (5.10)
Table 5: Peak height ratio between each metabolite and metoclopramide and between 2 different metabolites in MS chromatograms at 0.5 and 1h after oral administration of metoclopramide to gene deletion 1 (GD1), gene deletion 2 (GD2) and wild-type (WT) cattle (mean ± standard deviation (SD), n=4). NS: non-significant. *: P<0.05. **: P<0.01.