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Table 1 Structure of the datasets for protein yield and somatic cell count (SCC).

From: Principal component approach in variance component estimation for international sire evaluation

   Protein yield SCC
Country Code Number of bulls Common bullsa Number of bulls Common bullsa
   Total Foreign bulls, % c Minb Maxb Mean Total Foreign bullsc , % Minb Maxb Mean
Canada CAN 7028 33 2 1044 267 7730 34 4 1191 331
Germany DEU 16734 23 56 1194 370 18624 25 49 1526 469
Dnk-Fin-Swed DFS 8900 13 12 590 248 9459 13 19 731 314
France FRA 11127 20 3 568 220 12254 19 7 622 274
Italy ITA 6322 20 8 607 253 7254 23 11 777 338
The Netherlands NLD 9696 24 26 1194 346 10935 26 37 1526 481
USA USA 23380 6 6 1044 410 25281 6 10 1191 507
Switzerland CHE 715 37 4 209 118 946 45 9 325 182
Great Britain GBR 4361 51 7 873 316 4017 55 12 855 377
New Zealand NZL 4253 24 3 560 209 4886 22 6 725 255
Australia AUS 4950 26 5 681 216 5404 31 12 895 325
Belgium BEL 634 97 12 425 143 665 97 14 466 166
Ireland IRL 1260 79 0 354 153 1337 96 3 388 183
Spain ESP 1499 48 2 408 203 1720 45 3 455 246
Czech Republic CZE 2036 75 12 590 202 2453 75 17 768 279
Slovenia SVN 196 55 5 68 32 -e - - - -
Estonia EST 472 46 2 93 30 556 49 6 117 40
Israel ISR 773 11 0 59 27 853 11 1 68 33
Swiss Red Holf CHR 1162 45 3 256 103 1359 42 10 327 147
French Red Holf FRR 145 72 0 73 9 168 71 1 84 15
Hungary HUN 1898 46 2 502 192 1638 63 5 573 246
Poland POL 5071 16 0 295 118 -e - - - -
South Africa ZAF 920 48 1 372 148 882 54 3 402 180
Japan JPN 3177 67 1 226 97 3562 63 1 272 123
Latvia LVA 232 71 6 71 29 -e - - - -
Danish Red Holf DNR -e - - - - 232 38 1 83 16
Total number of bulls 116941      122215     
  1. a With other countries
  2. b Minimum (min) and maximum (max) values
  3. c Bull's country of first registration is embedded in its international identity and was extracted from it
  4. d Denmark, Finland and Sweden
  5. e Country does not participate in international evaluation for this trait
  6. f Holstein