Genetics Selection Evolution

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 bulls^a			Number of bulls		Common bulls^a
		Total	Foreign bulls, % ^c	Min^b	Max^b	Mean	Total	Foreign bulls^c , %	Min^b	Max^b	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-Swe^d	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 Hol^f	CHR	1162	45	3	256	103	1359	42	10	327	147
French Red Hol^f	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 Hol^f	DNR	-^e	-	-	-	-	232	38	1	83	16
Total number of bulls		116941					122215

^a With other countries
^b Minimum (min) and maximum (max) values
^c Bull's country of first registration is embedded in its international identity and was extracted from it
^d Denmark, Finland and Sweden
^e Country does not participate in international evaluation for this trait
^f Holstein

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ISSN: 1297-9686

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