Key	Year	Country	Breed	Number of lactations	Length of the lactations (days)	Milk yield per recorded cow (kg)	Milk per cow in 305 days (kg)	Percent of fat content (%)	Percent of protein content (%)	Calving interval (days)	Others	E-mail address of the responsible
17	2009	Japan	Holstein	384100	365	10241	9256	3.99	3.3	433		webmaster@liaj.or.jp
18	2009	Japan	Jersey	2616	338	6309	6069	4.97	3.84	411		webmaster@liaj.or.jp
15	2008	Japan	Holstein	388195	360	10024	9172	4.00	3.30	430		webmaster@liaj.or.jp
16	2008	Japan	Jersey	2634	343	6291	5942	4.98	3.87	414		webmaster@liaj.or.jp
13	2007	Japan	Holstein	383851	361	10011	9161	4.01	3.30	428		webmaster@liaj.or.jp
14	2007	Japan	Jersey	2709	343	6304	5969	4.98	3.89	408		webmaster@liaj.or.jp
11	2006	Japan	Holstein	377522	360	10058	9180	4.01	3.32	432		webmaster@liaj.or.jp
12	2006	Japan	Jersey	2568	340	6330	6002	4.93	3.89	411		webmaster@liaj.or.jp
9	2005	Japan	Holstein	376690	363	10066	9121	4.01	3.31	434		webmaster@liaj.or.jp
10	2005	Japan	Jersey	2412	340	6255	5918	4.93	3.91	411		webmaster@liaj.or.jp
7	2004	Japan	Holstein	368607	362	10104	9196	4.01	3.30	433		webmaster@liaj.or.jp
8	2004	Japan	Jersey	2418	337	6159	5954	4.92	3.86	411		webmaster@liaj.or.jp
5	2003	Japan	Holstein	365488	359	9917	9091	4.01	3.30	432		webmaster@liaj.or.jp
6	2003	Japan	Jersey	2519	340	6150	5855	4.95	3.89	410		webmaster@liaj.or.jp
3	2002	Japan	Holstein	366513	358	9786	9013	3.97	3.27	431		webmaster@liaj.or.jp
4	2002	Japan	Jersey	2368	345	6248	5750	4.90	3.87	414		webmaster@liaj.or.jp
1	2001	Japan	Holstein	355177	357	9633	8869	3.94	3.26	430		webmaster@liaj.or.jp
2	2001	Japan	Jersey	2266	339	6145	5840	4.88	3.84	410		webmaster@liaj.or.jp