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Table 3 Effect of mixing at weaning or keeping pigs in litter groups and two dietary regimens fed in the nursery period on the productive performance of pigs from weaning to slaughter

From: Effect of mixing at weaning and nutrient density of the weaner diet on growth performance and welfare of pigs to slaughter

 

Dietary regimen 2

  
 

CON

LOW

 

p value

Trait 1

Litter

Mixed

Litter

Mixed

SEM3

Mixing

Diet

Mixing × Diet

Productive performance

        

 BW d28, kg

8.38

8.43

8.43

8.43

0.294

0.932

0.936

0.926

 BW d74, kg

33.1

32.8

30.1

30.4

0.98

0.832

< 0.001

0.485

 BW d151, kg

118.8

117.3

114.6

116.2

2.17

0.933

0.025

0.176

 ADFI d28 - d74, kg

0.772

0.791

0.757

0.785

0.0193

0.215

0.534

0.760

 ADFI d74 - d151, kg

2.503

2.452

2.410

2.428

0.0512

0.595

0.093

0.300

 ADFI d28 – d151, kg

1.855

1.831

1.792

1.814

0.0392

0.970

0.291

0.543

 ADG d28 - d74, kg

0.538

0.527

0.475

0.477

0.0128

0.637

< 0.001

0.496

 ADG d74 - d151, kg

1.113

1.097

1.097

1.114

0.0188

0.999

0.998

0.204

 ADG d28 – d151, kg

0.898

0.884

0.864

0.876

0.016

0.950

0.182

0.416

 FCR d28 - d74

1.43

1.51

1.60

1.65

0.033

0.003

< 0.001

0.580

 FCR d74 - d151

2.25

2.23

2.20

2.18

0.023

0.367

0.008

0.950

 FCR d28 – d151

1.94

1.96

1.97

1.98

0.016

0.442

0.127

0.725

  1. 1 BW: Body weight; ADG: average daily gain; ADFI: average daily feed intake; FCR: feed conversion ratio.
  2. 2 CON: dietary regimen meeting pigs’ nutritional requirements; LOW: low-density dietary regime with − 10% of energy and protein of CON during the nursery period, but with the same dietary regimen as CON during the growing-finishing period.
  3. 3 Standard error of the mean.
  4. a,b,c Within rows, significant differences between groups (P < 0.05).
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Porcine Health Management

ISSN: 2055-5660

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