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Table 4 Portal plasma and blood flow, and net portal 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
Portal flows, L/h
 Plasma164b164b167b274a7189b205a208a201ab195ab188b187b168c7< 0.001< 0.0010.46
 Blood227b228b229b375a9262c294a282ab273bc265bc256c254c230d10< 0.001< 0.0010.71
Net portal fluxes
 O2, mmol/h− 457b− 441b− 411b− 718a22− 479− 522− 555− 546− 506− 503− 492− 45126< 0.0010.070.06
 CO2, mmol/h560b534b503b936a28639ab701a685ab658ab599b652ab619ab509c36< 0.0010.0070.07
 Insulin, mol/h23.5b17.9b32.3a35.7a2.715.6de70.8a28.5bc32.9b22.9cd20.6cd16.3de10.9e3.4< 0.001< 0.0010.002
 Urea, mmol/h−5.0b(−2.6b)−6.2b−21.1a1.8(−4.0)−11.2−9.9−7.7−8.7−6.9−10.6−10.62.6< 0.0010.720.01
Essential AA, g/d
 Lys19.5b19.3b15.5c34.7a1.413.1d25.4b29.7a31.3a25.0b22.0b18.4c12.8d1.6< 0.001< 0.0010.02
 Met4.2b3.8b3.7b8.0a0.61.5c7.2a7.1a6.8a5.7ab4.6b4.3b2.1c0.6< 0.001< 0.0010.95
 Thr11.8b11.8b8.0c21.3a0.97.2e15.2bc17.7ab18.9a15.7b12.7cd10.8d7.5e1.1< 0.001< 0.0010.10
 Trp4.8b4.7b3.9b8.9a0.42.5d6.0bc7.6a7.5a6.8ab5.9bc5.0c3.1d0.5< 0.001< 0.0010.22
 Ile17.0b16.1b13.1c30.9a1.110.5d20.0bc26.2a27.0a21.3b20.1bc17.0c12.2d1.4< 0.001< 0.0010.25
 Leu29.5b28.2b22.6c52.1a1.716.8d38.2b44.3a45.5a36.8b33.6bc29.3c20.6d2.1< 0.001< 0.0010.008
 Val19.1b19.5b14.5c34.4a1.513.0d21.9bc28.7a30.5a26.2ab22.2bc18.3c14.2cd1.8< 0.001< 0.0010.25
 His8.9b7.6b5.1c16.0a0.95.8cd11.6b12.2ab14.8a12.9ab7.9c4.4d5.7cd1.0< 0.001< 0.0010.01
 Phe21.6b20.8b15.9c38.7a1.213.2e27.4bc31.9a32.1a28.9ab24.2cd21.8d14.6e1.5< 0.001< 0.0010.003
Non-essential AA, g/d
 Ala50.8b44.9b37.3c93.0a2.735.7e66.7ab73.9a71.1ab59.9bc57.2cd49.4d38.0e3.3< 0.001< 0.0010.02
 Asn9.8b8.7b5.5c14.7a0.64.4e9.7c14.2a14.1a11.7b9.8c7.8d5.7e0.7< 0.001< 0.0010.003
 Asp8.8b8.7b8.5b14.0a0.66.0d11.0b12.8a13.6a11.0b10.6b8.3c6.6d0.7< 0.001< 0.0010.009
 Cys5.4b5.9b2.7c9.0a0.64.4cd5.2bc6.6ab8.6a5.7bc7.1ab5.9b2.7d0.8< 0.001< 0.0010.18
 Glu−5.3a−4.5a−4.2a(−0.6b)1.0−7.6a−4.1b−2.8b(−2.2bc)(0.5c)−3.9b− 3.9b−5.3ab1.20.003< 0.0010.75
 Gly34.6b32.6b30.9b63.5a2.338.6bcd37.0cd42.4abc43.4ab40.1abcd44.9a41.9abc34.8d2.7< 0.0010.010.42
 Pro34.2b32.0b24.0c64.6a2.720.3e42.3b52.9a51.6a42.5b41.0bc33.6c25.3d3.2< 0.001< 0.0010.006
 Ser19.1b18.1b13.8c34.0a1.210.6d24.3b27.8a29.3a24.6ab21.9b18.2c13.1d1.4< 0.001< 0.0010.15
 Tyr15.5b14.7b11.3c27.2a0.98.3d20.0b22.8a23.7a20.1b17.9b14.4c10.1d1.0< 0.001< 0.0010.01
 Gln12.4a12.2a(4.6b)17.2a2.9(1.1c)12.2b21.7a18.2ab14.9ab15.6ab7.5c(1.4)3.70.03< 0.0010.85
  1. a–eWithin a row and within a main effect (DIM, ST), means with different letters differ. 1Values presented in parenthesis are not significantly different from zero. 2DIM, days in milk, ST sampling time