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Table 6 Hepatic blood and plasma flow, and net hepatic fluxes of gases, insulin, urea, and amino acids in sows during late gestation and in early and peak lactation1

From: Net absorption and liver metabolism of amino acids and heat production of portal-drained viscera and liver in multiparous sows during transition and lactation

 ItemDIM2SEMST2SEMP-value
 −10−3317 − 0.50.51.52.53.54.55.56.5 DIMSTST×DIM
Hepatic flows, L/h
 Plasma226b224b229b359a14245cd295a280ab261abc274abc254bc247bcd219d15< 0.0010.0060.58
 Blood312b302b311b501a19362b419a381b350b363b342b336bc299c20< 0.0010.0050.46
Net hepatic fluxes
 O2, mmol/h-575b-542b-537b-904a61− 603− 695− 693− 670− 681− 671− 588− 51669< 0.0010.320.65
 CO2, mmol/h490b401b417b764a62393b572a601a616a589a538ab442ab392b78< 0.0010.030.22
 Insulin, mol/h−16.3bc−13.7c−23.7b−35.9a3.4−9.4cd−59.5a− 28.1b−29.4b− 17.9c− 15.9cd− 11.6cd−7.5d3.9< 0.001< 0.0010.003
 Urea, mmol/h40.5b36.9b33.5b75.5a4.235.837.455.552.454.849.544.642.95.4< 0.0010.090.12
Essential AA, g/d
 Lys−3.3−4.9− 5.5− 3.90.9−2.5c−6.3ab−8.0a−6.4ab− 2.1c− 4.4bc− 3.4bc− 2.1c1.30.12< 0.0010.09
 Met(1.0)(0.5)(0.1)(0.6)0.61.4(0.0)(0.3)(−0.9)(0.1)1.21.7(1.0)0.80.680.200.35
 Thr−1.9−3.5−2.9−4.00.9− 3.1abc−5.6a− 5.0ab− 1.9c− 0.6c− 2.9abc− 3.1abc− 2.5bc1.10.520.030.21
 Trp−2.7b−3.4b− 2.4b−6.7a0.4− 3.1− 4.2− 4.3− 3.9− 4.2− 3.9− 4.0−2.50.6< 0.0010.260.76
 Ile(− 1.3)− 3.7−2.0(− 0.6)0.91.0b− 3.2a− 3.5a− 2.7a0.0b−3.3a−1.9ab− 1.5ab1.10.050.0030.14
 Leu−2.7−4.3−3.0(−0.7)1.0(0.5d)−6.3ab−6.6a−3.3c(−0.6cd)−1.7abc−2.2abc−1.5bcd1.50.07< 0.0010.006
 Val(1.5)−2.8(−0.5)(1.4)1.32.7(0.7)−2.3(0.1)−2.5(−0.8)2.2(−0.7)2.00.050.240.12
 His−5.4b−5.3b−5.1b−9.1a1.2−6.6−7.9− 5.4−4.5−8.9− 5.1− 4.6− 6.61.60.020.200.35
 Phe−14.9b−15.8b−9.6c−22.5a1.5−10.0c− 17.9ab− 20.0a−19.6a− 16.7ab−16.5ab− 13.9bc−11.2c1.5< 0.001< 0.0010.25
Non-essential AA, g/d
 Ala−49.5b−51.5b−52.5b−86.3a5.8−52.5cd−67.4ab−76.1a− 66.1b− 59.9bc− 59.0bc−51.3cd−47.4d5.4< 0.001< 0.001< 0.001
 Asn−4.3b−4.9b−3.2b−8.8a0.8−3.2d−6.0b−8.6a− 6.5b−5.4bc−5.0bcd− 4.1cd−3.6cd0.7< 0.001< 0.0010.02
 Asp−3.4b−3.5b−2.9b−6.6a0.6− 2.4b−5.7a−6.6a−4.1b− 3.2b− 3.7b−3.6b− 3.6b0.8< 0.0010.0030.22
 Cys−5.6−7.1−4.0− 7.11.0−2.9c−9.9a− 7.8ab− 5.6bc−4.3bc− 6.4bc−5.2bc− 5.3bc1.20.05< 0.0010.82
 Glu139.4bc130.2c171.8ab177.6a12.8131.4b152.3ab174.3a162.8ab160.7ab168.6a147.8b140.0b10.90.0070.0020.10
 Gly−30.5b−33.6b−32.2b−56.9a3.6−46.3−35.6− 37.4− 33.3−35.1−40.6− 37.7− 40.34.3< 0.0010.550.002
 Pro−9.2ab−14.7a(−5.1b)−13.6a2.8−9.6− 13.2− 11.4− 13.4−7.8− 12.0−9.5−8.34.00.040.840.09
 Ser−13.6a−12.9a−5.5b− 14.8a2.0− 5.9d−16.7ab− 19.1a−14.7b− 10.9c−11.0c−7.5d−7.8cd1.70.007< 0.0010.001
 Tyr−12.6b−13.3b− 10.3b−21.5a1.3− 12.3b−16.6a− 18.2a−15.3ab− 13.7b−15.0ab−12.3b− 12.1b1.5< 0.0010.010.42
 Gln−12.1b−12.1b−32.0a−28.9a4.1−18.7−29.3−17.4−19.2− 27.4− 19.4− 24.1−14.85.2< 0.0010.260.98
  1. a–dWithin a row and within a main effect (DIM, ST), means with different letters differ
  2. 1Values presented in parenthesis are not significantly different from zero. 2DIM days in milk, ST sampling time