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
18	2011	The Slovak Republic	89127	296	6769	6923	3,95	3,29	426		martadianova@pssr.sk
17	2010	The Slovak Republic	95111	296	6739	6892	3,97	3,29	429		stefanryba@pssr.sk
16	2009	The Slovak Republic	99122	296	6858	7014	4,09	3,24	428		stefanryba@pssr.sk
15	2008	The Slovak Republic	109556	296	6759	6913	4,13	3,23	428		stefanryba@pssr.sk
13	2007	THE SLOVAK REPUBLIC	113175	296	6517	6665	4,02	3,22	424		stefanryba@pssr.sk
12	2006	THE SLOVAK REPUBLIC	117778	295	6267	6426	3,97	3,25	426		stefanryba@spusr.sk
11	2005	THE SLOVAK REPUBLIC	118884	295	5927	6077	3,99	3,24	422		stefanryba@spusr.sk
10	2004	THE SLOVAK REPUBLIC	127254	294	5724	5883	4,00	3,23	421		stefanryba@spusr.sk
3	2003	THE SLOVAK REPUBLIC	148604	294	5246	5392	3,97	3,29	414		stefanryba@spusr.sk
2	2002	THE SLOVAK REPUBLIC	149325	293	4940	5090	3,93	3,27	411		stefanryba@spusr.sk
1	2001	THE SLOVAK REPUBLIC	150394	293	4624	4765	4,09	3,30	411		stefanryba@spusr.sk