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
11	2010	Latvia	24670	361		6880	4,36	3,32			ldc@ldc.gov.lv
10	2009	Latvia	24276	358		6667	4.39	3.32			ldc@ldc.gov.lv
9	2008	Latvia	18203	355		6540	4.40	3.33			ldc@ldc.gov.lv
8	2007	Latvia	10454	351		6565	4,46	3,29			ldc@ldc.gov.lv
7	2006	Latvia	5319	339		6435	4,52	3,33			Erna.Galvanovska@ldc.gov.lv
6	2005	Latvia	3169	341		6543	4,47	3,34	406		ldc@ldc.gov.lv
5	2004	Latvia	3383	343	6228	6332	4,49	3,27	409		ldc@ldc.gov.lv
4	2003	Latvia	3439			5481	4,45	3,21			Leonids.Cemms@vcidac.lv
3	2002	Latvia	3633			5318	4,51	3,24			Leonids.Cemms@vcidac.lv
2	2001	Latvia	3339			5168	4,50	3,25			Leonids.Cemms@vcidac.lv
1	2000	Latvia	2981			4913	4,43	3,29			Leonids.Cemms@vcidac.lv