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
5	July 2005 - June 2006	Australia	701,852	316	6,626	6,626	4.0	3.3			dabernethy@adhis.com.au
4	July 2004 - June 2005	Australia	725,374	314	6,476	6,476	4.0	3.3			dabernethy@adhis.com.au
3	July 2003 - June 2004	Australia	722,074	310	6,260	6,260	4.0	3.3			dabernethy@adhis.com.au
2	July 2002 - June 2003	Australia	842,113	303	6,082	6,082	4.01	3.28			dabernethy@adhis.com.au
7	2008	Australia	578,263	321	6,827	6,827	4.0	3.3			dabernethy@adhis.com.au
6	2007	Australia	655,212	312	6,678	6,678	4.0	3.3			dabernethy@adhis.com.au