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Table 7 Effect of two doses of dietary menthol-rich PBLC on ruminal and jejunal short-circuit current [Isc; μEq/(cm2 · h)], conductance (Gt; mS/cm2) and uptakes [pmol/(cm2 · min)] of glucose (Ugluc) and methionine (Umet) in the presence (+ Na+) or absence of Na+ (− Na+)

From: Effects of dietary menthol-rich bioactive lipid compounds on zootechnical traits, blood variables and gastrointestinal function in growing sheep

Attribute Treatmenta,b SEM Contrastc
Control PBLC-L PBLC-H   1 2 3
Rumen
Isc (+ Na+) 10.8 21.8** 20.6** 1.46 < 0.001 0.004 < 0.001
Gt (+ Na+) 3.38 3.62* 4.40** 0.26 0.013 0.41 0.065
Ugluc (+ Na+) 237 251 274 36.6 0.48 0.92 0.57
Ugluc (− Na+) 203 194 255* 17.5 0.053 0.12 0.33
Umet (+ Na+) 56.2 60.8 71.2 11.3 0.36 0.84 0.49
Umet (− Na+) 50.3 45.7 67.9* 5.48 0.036 0.061 0.35
Jejunum
Isc (+ Na+) 5.27 9.40 9.91# 1.81 0.085 0.43 0.063
Gt (+ Na+) 28.9 26.6 27.7 1.96 0.66 0.49 0.47
Ugluc (+ Na+) 1239 1465 1145 151 0.66 0.16 0.73
Ugluc (− Na+) 842 893 746 127 0.60 0.53 0.89
Umet (+ Na+) 715 817 603 94.0 0.40 0.18 0.97
Umet (− Na+) 376 463 365 55.3 0.89 0.19 0.59
  1. SEM standard error of mean
  2. aControl: without PBLC; PBLC-L: lower dose (80 mg/d) of PBLC; and PBLC-H: higher dose (160 mg/d) of PBLC
  3. bOne animal in each treatment was removed due to high conductivity
  4. cContrast: 1 = linear effect; 2 = quadratic effect; and 3 = Control versus both PBLC groups
  5. #/*/**Mean values differ compared with the control at P < 0.10/0.05/0.01