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

 Plasma

164^b

164^b

167^b

274^a

7

189^b

205^a

208^a

201^ab

195^ab

188^b

187^b

168^c

7

< 0.001

< 0.001

0.46

 Blood

227^b

228^b

229^b

375^a

9

262^c

294^a

282^ab

273^bc

265^bc

256^c

254^c

230^d

10

< 0.001

< 0.001

0.71

 O₂, mmol/h

− 457^b

− 441^b

− 411^b

− 718^a

22

− 479

− 522

− 555

− 546

− 506

− 503

− 492

− 451

26

< 0.001

0.07

0.06

 CO₂, mmol/h

560^b

534^b

503^b

936^a

28

639^ab

701^a

685^ab

658^ab

599^b

652^ab

619^ab

509^c

36

< 0.001

0.007

0.07

 Insulin, mol/h

< 0.001

< 0.001

0.002

 Urea, mmol/h

−5.0^b

(−2.6^b)

−6.2^b

−21.1^a

1.8

(−4.0)

−11.2

−9.9

−7.7

−8.7

−6.9

−10.6

−10.6

2.6

< 0.001

0.72

0.01

 Lys

19.5^b

19.3^b

15.5^c

34.7^a

1.4

13.1^d

25.4^b

29.7^a

31.3^a

25.0^b

22.0^b

18.4^c

12.8^d

1.6

< 0.001

< 0.001

0.02

 Met

4.2^b

3.8^b

3.7^b

8.0^a

0.6

1.5^c

7.2^a

7.1^a

6.8^a

5.7^ab

4.6^b

4.3^b

2.1^c

0.6

< 0.001

< 0.001

0.95

 Thr

11.8^b

11.8^b

8.0^c

21.3^a

0.9

7.2^e

15.2^bc

17.7^ab

18.9^a

15.7^b

12.7^cd

10.8^d

7.5^e

1.1

< 0.001

< 0.001

0.10

 Trp

4.8^b

4.7^b

3.9^b

8.9^a

0.4

2.5^d

6.0^bc

7.6^a

7.5^a

6.8^ab

5.9^bc

5.0^c

3.1^d

0.5

< 0.001

< 0.001

0.22

 Ile

17.0^b

16.1^b

13.1^c

30.9^a

1.1

10.5^d

20.0^bc

26.2^a

27.0^a

21.3^b

20.1^bc

17.0^c

12.2^d

1.4

< 0.001

< 0.001

0.25

 Leu

29.5^b

28.2^b

22.6^c

52.1^a

1.7

16.8^d

38.2^b

44.3^a

45.5^a

36.8^b

33.6^bc

29.3^c

20.6^d

2.1

< 0.001

< 0.001

0.008

 Val

19.1^b

19.5^b

14.5^c

34.4^a

1.5

13.0^d

21.9^bc

28.7^a

30.5^a

26.2^ab

22.2^bc

18.3^c

14.2^cd

1.8

< 0.001

< 0.001

0.25

 His

8.9^b

7.6^b

5.1^c

16.0^a

0.9

5.8^cd

11.6^b

12.2^ab

14.8^a

12.9^ab

7.9^c

4.4^d

5.7^cd

1.0

< 0.001

< 0.001

0.01

 Phe

21.6^b

20.8^b

15.9^c

38.7^a

1.2

13.2^e

27.4^bc

31.9^a

32.1^a

28.9^ab

24.2^cd

21.8^d

14.6^e

1.5

< 0.001

< 0.001

0.003

 Ala

50.8^b

44.9^b

37.3^c

93.0^a

2.7

35.7^e

66.7^ab

73.9^a

71.1^ab

59.9^bc

57.2^cd

49.4^d

38.0^e

3.3

< 0.001

< 0.001

0.02

 Asn

9.8^b

8.7^b

5.5^c

14.7^a

0.6

4.4^e

9.7^c

14.2^a

14.1^a

11.7^b

9.8^c

7.8^d

5.7^e

0.7

< 0.001

< 0.001

0.003

 Asp

8.8^b

8.7^b

8.5^b

14.0^a

0.6

6.0^d

11.0^b

12.8^a

13.6^a

11.0^b

10.6^b

8.3^c

6.6^d

0.7

< 0.001

< 0.001

0.009

 Cys

5.4^b

5.9^b

2.7^c

9.0^a

0.6

4.4^cd

5.2^bc

6.6^ab

8.6^a

5.7^bc

7.1^ab

5.9^b

2.7^d

0.8

< 0.001

< 0.001

0.18

 Glu

−5.3^a

−4.5^a

−4.2^a

(−0.6^b)

1.0

−7.6^a

−4.1^b

−2.8^b

(−2.2^bc)

(0.5^c)

−3.9^b

− 3.9^b

−5.3^ab

1.2

0.003

< 0.001

0.75

 Gly

34.6^b

32.6^b

30.9^b

63.5^a

2.3

38.6^bcd

37.0^cd

42.4^abc

43.4^ab

40.1^abcd

44.9^a

41.9^abc

34.8^d

2.7

< 0.001

0.01

0.42

 Pro

34.2^b

32.0^b

24.0^c

64.6^a

2.7

20.3^e

42.3^b

52.9^a

51.6^a

42.5^b

41.0^bc

33.6^c

25.3^d

3.2

< 0.001

< 0.001

0.006

 Ser

19.1^b

18.1^b

13.8^c

34.0^a

1.2

10.6^d

24.3^b

27.8^a

29.3^a

24.6^ab

21.9^b

18.2^c

13.1^d

1.4

< 0.001

< 0.001

0.15

 Tyr

15.5^b

14.7^b

11.3^c

27.2^a

0.9

8.3^d

20.0^b

22.8^a

23.7^a

20.1^b

17.9^b

14.4^c

10.1^d

1.0

< 0.001

< 0.001

0.01

 Gln

12.4^a

12.2^a

(4.6^b)

17.2^a

2.9

(1.1^c)

12.2^b

21.7^a

18.2^ab

14.9^ab

15.6^ab

7.5^c

(1.4)

3.7

0.03

< 0.001

0.85