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Table 1 Number of genotyped animals with records, number of non-genotyped animals with records, number of records, mean and standard deviation (SD) of group- and individual-level feed intake (FI) over the test period and for different days on test (DOT) classes

From: Genetic parameters and genomic prediction for feed intake recorded at the group and individual level in different production systems for growing pigs

DOT classa

Number of animals with recordsc

Number of records

Mean

SD

Genotyped

Non-genotyped

Group FIb

6047

348

646

47.77

9.782

 ~ 30

6047

348

323

38.92

3.483

 ~ 60

5960

336

323

56.63

4.710

Individual FI

3962

564

271,001

2.28

0.704

 \(\le\)10

3962

564

49,472

1.52

0.327

 11–20

3962

563

44,971

1.86

0.352

 21–30

3944

556

44,713

2.16

0.397

 31–40

3929

551

44,341

2.43

0.468

 41–50

3881

530

42,695

2.73

0.537

 51–60

3423

458

32,669

3.04

0.583

 61–70

2255

315

11,651

3.25

0.659

 \(\ge\) 71

86

11

489

3.43

0.674

  1. aFor group-level FI, ~ 30 and ~ 60 represent two recording time points at which animals have been approximately on test during 30 and 60 days, respectively
  2. bAverage group size = 19.6
  3. cAnimals with group-level records were also considered