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Table 9 Effects of supplementing branched-chain amino acids (BCAAs) to the diets of sows on the composition of free amino acids in their milk during lactation

From: Dietary supplementation with branched-chain amino acids enhances milk production by lactating sows and the growth of suckling piglets

Variable

Control

1.535% BCAA

3.07% BCAA

Pooled SEM

P-value

d 3

d 15

d 29

d 3

d 15

d 29

d 3

d 15

d 29

Treatment

Day

T × D1

Ala

235

511

635

279

597

730

301

609

663

50

0.025

< 0.01

0.682

Arg

36

64

72

52

73

91

54

87

109

6.7

< 0.01

< 0.01

0.220

Asn

29

108

227

46

132

259

51

141

267

11

< 0.01

< 0.01

0.829

Asp

158

462

480

192

526

593

313

546

639

30

< 0.01

< 0.01

0.075

β-Ala

15

30

41

15

30

45

15

28

41

2.6

0.534

< 0.01

0.634

Cit

6.8

38

46

18

49

68

31

59

78

4.7

< 0.01

< 0.01

0.302

Cys2

116

192

362

120

199

358

123

204

370

19

0.706

< 0.01

0.994

Gln

326

1060

3517

439

1170

4025

472

1210

4196

112

< 0.01

< 0.01

0.024

Glu

366

1010

991

419

1140

1070

447

1200

1190

43

< 0.01

< 0.01

0.261

Gly

294

812

1180

307

830

1240

358

843

1300

57

0.096

< 0.01

0.844

His

787

682

436

769

689

465

824

688

486

35

0.269

< 0.01

0.737

Ile

5.2

17

21

14

31

38

29

43

52

3.7

< 0.01

< 0.01

0.546

Leu

23

43

51

52

77

93

64

85

103

8.1

< 0.01

< 0.01

0.772

Lys

32

52

68

35

66

86

50

66

85

4.5

< 0.01

< 0.01

0.063

Met

2.9

20

23

4.2

21

28

4.2

22

28

2.2

0.059

< 0.01

0.448

Orn

29

45

64

30

48

67

30

52

58

3.9

0.548

< 0.01

0.178

Phe

20

35

38

25

36

39

27

38

40

2.8

0.040

< 0.01

0.776

Pro

34

82

114

46

115

147

49

123

168

12

< 0.01

< 0.01

0.195

Ser

45

221

403

51

231

474

63

238

381

18

0.012

< 0.01

< 0.001

Tau

1020

1280

1410

1110

1290

1430

1230

1290

1490

99

0.212

< 0.01

0.722

Thr

86

133

426

89

140

437

85

145

420

23

0.862

< 0.01

0.962

Trp

3.6

11

17

5.3

12

21

5.7

12

19

1.1

0.012

< 0.01

0.378

Tyr

35

63

75

42

63

76

49

66

79

5.7

0.114

< 0.01

0.690

Val

54

108

134

96

132

160

149

166

229

13

< 0.01

< 0.01

0.150

  1. Values, expressed as μmol/L of whole milk, are means with pooled SEM, n = 10 sows/treatment group
  2. Data were analyzed by two-way ANOVA
  3. 1Treatment (T), Day (D), and Treatment × Day (T × D) interaction; 2cysteine + 1/2 cystine