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Table 2 Percentages of alleles correctly (%correct) or incorrectly (%incorrect) assigned a breed origin or unassigned (%unknown) for a crossbred animal, and percentages of crossbred animals having at least 80 % assigned alleles using simulated data

From: Assigning breed origin to alleles in crossbred animals

Scenarios

f ar

%correct

%incorrect

%unknown

>80 %assigned

Average

Max

Average

Max

Average

Max

Chromosome 1 of BC animals

        

 Closely-related breeds

20

95.15 (0.37)

99.99 (0.03)

0.39 (0.02)

2.99 (0.86)

4.46 (0.37)

22.38 (5.20)

99.76 (0.22)

 

0

92.42 (0.57)

99.92 (0.12)

0.36 (0.02)

2.49 (0.36)

7.22 (0.56)

26.69 (4.16)

98.43 (0.93)

 Distantly-related breeds

20

98.09 (0.09)

100.00 (0.00)

0.32 (0.02)

2.12 (0.43)

1.60 (0.08)

9.56 (1.12)

100.00 (0.00)

 

0

97.92 (0.22)

100.00 (0.00)

0.30 (0.02)

2.05 (0.46)

1.77 (0.21)

10.30 (1.27)

100.00 (0.00)

 Unrelated-breeds

20

98.58 (0.13)

100.00 (0.00)

0.28 (0.04)

1.59 (0.32)

1.14 (0.11)

7.56 (1.36)

100.00 (0.00)

 

0

98.58 (0.14)

100.00 (0.00)

0.28 (0.04)

1.59 (0.32)

1.14 (0.11)

7.56 (1.36)

100.00 (0.00)

Chromosome 2 of BC animals

        

 Closely-related breeds

20

94.05 (0.71)

100.00 (0.00)

0.47 (0.07)

8.90 (3.33)

5.48 (0.68)

53.47 (8.84)

93.33 (2.19)

 

0

90.72 (1.32)

100.00 (0.00)

0.45 (0.05)

8.91 (2.85)

8.83 (1.31)

66.96 (15.52)

85.00 (2.75)

 Distantly-related breeds

20

97.62 (0.39)

100.00 (0.00)

0.38 (0.06)

6.60 (1.68)

2.00 (0.35)

26.16 (5.80)

99.32 (0.70)

 

0

97.44 (0.39)

100.00 (0.00)

0.37 (0.06)

6.33 (1.83)

2.19 (0.35)

29.22 (5.91)

98.94 (0.73)

 Unrelated breeds

20

98.00 (0.48)

100.00 (0.00)

0.36 (0.11)

4.25 (1.07)

1.64 (0.42)

26.03 (10.98)

99.59 (0.53)

 

0

98.00 (0.49)

100.00 (0.00)

0.35 (0.11)

3.95 (0.74)

1.65 (0.43)

26.03 (10.98)

99.57 (0.56)

Chromosome 1 of A(BC) animals

        

 Closely-related breeds

20

93.18 (0.43)

99.77 (0.21)

1.69 (0.10)

8.96 (1.56)

5.13 (0.41)

19.71 (3.23)

99.81 (0.24)

 

0

88.91 (0.63)

99.18 (0.58)

1.58 (0.10)

8.47 (1.33)

9.51 (0.59)

31.48 (3.78)

96.14 (1.02)

 Distantly-related breeds

20

96.21 (0.16)

99.93 (0.06)

0.96 (0.09)

4.98 (0.84)

2.83 (0.11)

11.46 (1.07)

100.00 (0.00)

 

0

95.92 (0.23)

99.92 (0.05)

0.95 (0.10)

4.78 (0.67)

3.13 (0.18)

12.09 (0.96)

100.00 (0.00)

 Unrelated breeds

20

96.99 (0.15)

99.97 (0.03)

0.68 (0.04)

3.19 (0.72)

2.33 (0.14)

9.99 (1.83)

100.00 (0.00)

 

0

96.97 (0.15)

99.97 (0.03)

0.69 (0.04)

3.21 (0.70)

2.34 (0.14)

10.14 (1.69)

100.00 (0.00)

Chromosome 2 of A(BC) animals

        

 Closely-related breeds

20

91.64 (0.95)

100.00 (0.00)

1.99 (0.17)

27.62 (6.67)

6.37 (0.91)

54.24 (10.13)

92.45 (2.49)

 

0

87.37 (1.55)

100.00 (0.00)

1.83 (0.17)

24.18 (4.61)

10.80 (1.47)

66.40 (9.10)

80.89 (4.28)

 Distantly-related breeds

20

95.51 (0.50)

100.00 (0.00)

1.14 (0.15)

15.66 (4.72)

3.35 (0.42)

32.28 (8.57)

98.57 (1.08)

 

0

95.11 (0.48)

100.00 (0.00)

1.09 (0.15)

16.16 (4.55)

3.79 (0.39)

33.51 (8.69)

97.94 (1.06)

 Unrelated breeds

20

95.83 (0.65)

100.00 (0.00)

0.87 (0.14)

11.28 (1.77)

3.30 (0.59)

32.24 (11.40)

98.04 (1.16)

 

0

95.78 (0.66)

100.00 (0.00)

0.87 (0.14)

11.58 (1.62)

3.35 (0.60)

32.83 (11.53)

98.00 (1.19)

  1. Results are averages (SD) across the 10 replicates
  2. afr = relaxation factor