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. 2016 Sep 23;48:71. doi: 10.1186/s12711-016-0244-7

Table 2.

Imputation scenarios with 50K genotypes using different groups of purebred and crossbred animals

Scenarioa Number of reference animalsb Number of imputed animals Description of reference animals Imputed group breedc
7_5K50K 466 500 Romney Romney
8_5K50K 933 500 Romney Romney
9_5K50K 1860 500 Romney Romney
10_5K50K 2860 500 Romney Romney
11_5K50K 4862 500 Romney Romney
12_5K50K 933 200 Romney Composite
13_5K50K 1000 (R) + 893 (C) 200 Romney + Coopworth Composite
14_5K50K 1000 (R) + 893 (C) + 500 (P) + 500 (T) 200 Romney + Coopworth + Perendale + Texel Composite
15_5K50K 710 500 Primera Romney
16_5K50K 710 (P) + 933 (R) 500 Primera + Romney Scenario 8 Romney
17_5K50K 710 (P) + 1860 (R) 500 Primera + Romney Scenario 9 Romney
18_5K50K 350 200 Primera Primera
19_5K50K 506 200 Primera Primera
20_5K50K 350 (P) + 77 (S,PD) 200 Primera + Suffolk + Poll Dorset Primera
21_5K50K 506 (P) + 77 (S,PD) 200 Primera + Suffolk + Poll Dorset Primera
22_5K50K 470 300 Coopworth Coopworth
23_5K50K 951 300 Coopworth Coopworth
24_5K50K 951 (C) + 933 (R) 300 Coopworth + Romney Coopworth

aImputation scenarios were from 5K to 50K (original 50K panel)

bThe oldest animals in each scenario were used as the reference population

cThe youngest animals in each scenario were imputed