Key	Year	Country	Number of  lactations	Length of the lactations (days)	Milk yield per recorded cow (kg)	Milk per cow in 305 days (kg)	Percent fat content (%)	Percent protein content (%)	Calving interval (days)	Others	E-mail address of the responsible
10	2010	Czech Republic	275 959	297	7 810	7 967	3,85	3,35	409		bucek@cmsch.cz
9	2009	Czech Republic	287 559	297	7 752	7 908	3,88	3,33	411		bucpav@centrum.cz
8	2008	Czech Republic	296 772	297	7 632	7 786	3,88	3,34	412		bucpav@centrum.cz
7	2007	Czech Republic	299 087	297	7 467	7 617	3,90	3,34	409		bucpav@centrum.cz
6	2006	Czech Republic	303 253	297	7 270	7 416	3,95	3,36	410		bucpav@centrum.cz
5	2005	Czech Republic	291 863	297	7 024	7 166	3,97	3,30	412		bucpav@centrum.cz
4	2004	Czech Republic	297 420	296	6 744	6 897	4,05	3,34	400		bucpav@centrum.cz
3	2003	Czech Republic	311 365	296	6 555	6 700	4,10	3,39	408		bucpav@centrum.cz
2	2002	Czech Republic	321 165	296	6 473	6 555	4,13	3,41	404		bucpav@centrum.cz
1	2001	Czech Republic	329 565	295	6 266	6 416	4,14	3,35	401		bucpav@centrum.cz