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Table 3 Growth performance of pigs fed experimental diets

From: Amino acid fortified diets for weanling pigs replacing fish meal and whey protein concentrate: Effects on growth, immune status, and gut health

Items

FM-WPC1

FM-AA2

WPC-AA3

AA4

SEM

P value

n

8

8

8

8

  

Age, d

22.1

22.7

23.3

22.5

0.6

NS5

Body weight, kg

      

Initial

6.50

6.53

6.54

6.38

0.57

NS

Wk 1

7.30

7.74

7.96

7.65

0.58

NS

Wk 2

8.70

9.46

9.52

9.20

0.66

NS

Wk 3

11.07

11.83

11.87

11.50

0.66

NS

Wk 4

15.11

15.85

15.69

16.04

0.87

NS

ADG, g

      

Wk 1

114.3b

172.6a

202.7a

182.0a

15.2

0.031

Wk 2

200.1

246.5

223.3

221.4

19.9

NS

Wk 3

338.8

338.3

336.3

328.1

26.1

NS

Wk 4

576.1

574.6

545.4

648.0

44.1

NS

Wk 1 to 4

307.3

333.0

326.9

344.9

14.1

NS

ADFI, g

      

Wk 1

198.5

235.0

240.4

237.2

15.4

NS

Wk 2

303.0

318.5

326.4

325.0

16.7

NS

Wk 3

539.9

538.7

566.1

524.4

22.9

NS

Wk 4

1,106.1

1,106.6

1,109.1

1,168.2

33.5

NS

Wk 1 to 4

525.6

539.5

556.0

563.7

11.5

NS

Gain:feed

      

Wk 1

0.562b

0.730a

0.836a

0.774a

0.045

0.008

Wk 2

0.664

0.766

0.681

0.684

0.044

NS

Wk 3

0.634

0.625

0.595

0.625

0.044

NS

Wk 4

0.566

0.551

0.514

0.565

0.055

NS

Wk 1 to 4

0.592

0.618

0.590

0.614

0.026

NS

  1. 1FM-WPC: a control diet with fish meal and whey protein concentrate.
  2. 2FM-AA: a diet with fish meal and amino acids replacing whey protein concentrate.
  3. 3WPC-AA: a diet with whey protein concentrate and amino acids replacing fish meal.
  4. 4AA: a diet with amino acids replacing both fish meal and whey protein concentrate.
  5. 5NS: not significant (P > 0.10).
  6. a-bMeans lacking a common superscript are differ within a row (P < 0.05).