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	2009	Italy	838341	305	8423	8423	3.67	3.34		Period oct 1st,2008-sep 30th, 2009.Closed lactations having length greater than 200 d; conventional 305 d yields	fioretti.m@aia.it
9	2008	Italy	838.369	305	8.579	8.579	3.67	3.32		Period oct 1st. 2007 - sept 30th. 2008.Closed lactations having length greater than 200 d;conventional 305 d yields	fioretti.m@aia.it
8	2007	Italy	829975	305	8484	8484	3,68	3,30
7	2006	Italy	841190	305	8356	8356	3.69	3.29
6	2005	ITALY	833510	305	8206	8206	3.70	3.28		Period oct 1st,2004-sep 30th, 2005.Closed lactations having length greater than 200 d; conventional 305 d yields	fioretti.m@aia.it
5	2004	Italy	855406	305	8097	8097	3.63	3.27		Period oct 1st,2003-sep 30th, 2004.Closed lactations having length greater than 200 d; conventional 305 d yields	fioretti.m@aia.it
3	2003	ITALY	862488	305	8052	8052	3.59	3.28		Period oct 1st,2002-sep 30th, 2003.Closed lactations having length greater than 200 d; conventional 305 d yields	fioretti.m@aia.it
2	2002	ITALY	854729	305	7986	7986	3.60	3.27		Period oct 1st,2001-sep 30th, 2002. Closed lactations having length greater than 200 d; conventional 305 d yields	fioretti.m@aia.it
1	2001	Italy	821531	305	7925	7925	3.58	3.24		Period oct 1st,2000-sep 30th, 2001.Closed lactations having length greater than 200 d; conventional 305 d yields	fioretti.m@aia.it