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Table 1 Information on the breeds

From: Evaluation of approaches for identifying population informative markers from high density SNP Chips

  Breed N Animal resources of N n Purpose Origin Distribution Sampling Locality
1 Angus - British 23 several Scottish farms; majority different sires 23 Beef Scotland (UK) Global UK
2 Angus - American 6124 Registered bulls and steers 25 Beef Scotland (UK) Global USA
3 Brown Swiss 74 24 HapMap1 (3 trios); remaining no pedigree 24 Dairy Switzerland Alpine Europe, Americas USA
4 Charolais 135 26 HapMap1 (3 trios); remaining registered 25 Beef France France, USA, Brazil, RSA USA
5 Finnish Ayrshire 444 215 unrelated; 17 paternal half-sib families with average of 13 progeny per sire 10 Dairy Scotland (UK) Global Finland
6 Guernsey 23 21 HapMap1; remaining unrelated 21 Dairy Island of Guernsey (UK) USA, UK, Oceania, RSA UK
7 Hereford 143 32 HapMap1 (4 trios); remaining registered 25 Beef UK Global USA
8 Holstein 18904 Registered 25 Dairy Netherlands Global USA
9 Jersey 93 28 HapMap1 (3 trios); remaining registered 28 Dairy Island of Jersey (UK) Global USA
10 Limousin 1621 All registered 25 Beef France France, UK, USA USA
11 Norwegian Red 21 HapMap1 (1 trio) 21 Dual Purpose Norway Norway Norway
12 Piedmontese 29 24 HapMap1 (3 trios); remaining unrelated 19 Beef Italy Italy Italy
13 Red Angus 15 Registered 15 Beef Scotland (UK) USA, Australia USA
14 Red Poll 23 Registered, a few shared sires and dams 23 Beef UK   UK
15 Shorthorn 108 Registered (7 trios) 25 Dual Purpose UK Global USA
16 Simmental 777 104 sires; 673 steers from 24 sires 25 Beef Switzerland Global USA
17 Welsh Black 32 several Welsh farms; unrelated 25 Beef Wales (UK)   UK
  Total: 28589   384     
  1. N, reference sample size (used to estimate the allele frequencies), 1 HapMap individuals are unrelated except where indicated by 'trio' [45], and, n, number of individuals used in assignment testing.