Landrace - Adjustments to the Data


Number Born Alive - Additive adjustment for Parity and Age at Breeding:

Class

Parity

Age at Breeding

Factor

1

1

<240

1.10

2

1

240-329

0.73

3

1

330-359

0.45

4

1

greater than or equal to360

0.81

5

2

<395

1.04

6

2

395-424

0.71

7

2

425-484

0.53

8

2

greater than or equal to485

0.23

9

3,4,5

 

0.00

10

6

 

0.09

11

7

 

0.42

12

>7

 

0.97


Litter Weight - Multiplicative adjustment for Age Weighed:

Age

Factor

 

Age

Factor

 

10

1.35

 

23

0.93

 

11

1.32

 

24

0.90

 

12

1.29

 

25

0.87

 

13

1.26

 

26

0.84

 

14

1.24

 

27

0.83

 

15

1.20

 

28

0.79

 

16

1.15

 

29

0.75

 

17

1.13

 

30

0.72

 

18

1.09

 

31

0.69

 

19

1.07

 

32

0.65

 

20

1.03

 

33

0.62

 

21

1.00

 

34

0.59

 

22

0.96

 

35

0.56

 

 

Litter Weght - Additive adjustment for Parity and Age at Breeding:

Class

Parity

Age at Breeding

Factor

1

1

<240

14.0

2

1

240-299

10.9

3

1

greater than or equal to300

 7.6

4

2,3

 

 0.0

5

4,5

 

 1.2

6

6

 

 5.7

7

7

 

 7.0

8

>7

 

10.0

 

Litter Weight - Additive adjustment for Number After Transfer:

NAT

Factor

 

NAT

Factor

 

1,2

94.3

 

7

26.3

 

3

74.2

 

8

16.0

 

4

58.4

 

9

 6.4

 

5

48.4

 

greater than or equal to10

 0.0

 

6

37.6

 

 

 

 


Number Weaned - Additive adjustments for Parity and Age at Breeding:

Class

Parity

Age at Breeding

Factor

1

1

 

0.15

2

2

 

0.00

3

3,4,5

 

0.15

4

6

 

0.28

5

7

 

0.33

6

>7

 

0.39

 

Number Weaned - Additive adjustments for Number After Transfer:

NAT

Factor

 

NAT

Factor

 

1,2

9.2

 

8

3.7

 

3

8.2

 

9

2.7

 

4

7.3

 

10

1.9

 

5

6.4

 

11

1.2

 

6

5.5

 

12

0.5

 

7

4.6

 

greater than or equal to13

0.0

 


Duroc Adjustment Factors
Hampshire Adjustment Factors
Yorkshire Adjustment Factors

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