Key	Year	Country	Total number of dairy cows	Total number of dairy herds	Average of cows per herd	Average milk production per cow per year (kg)	Percent of fat production per cow per year (%)	Percent of protein production per cow per year (%)	Others	E-mail address of the responsible
5	July 2005 - June 2006	Australia	1,985,000	8,844	224	5,210	4.05	3.31		dabernethy@adhis.com.au
4	July 2004 - June 2005	Australia	2,010,000	9,256	217	5,157	4.07	3.29		dabernethy@adhis.com.au
3	July 2003 - June 2004	Australia	2,028,000	9,611	211	5,072	4.10%	3.31%		dabernethy@adhis.com.au
2	July 2002 - June 2003	Australia	2,095,000	10,654	196.6	4,968	4.06%	3.22%		dabernethy@adhis.com.au
7	2008	Australia	1,700,000	7,953	214	5,414	4.1	3.32		dabernethy@adhis.com.au
6	2007	Australia	1,810,000	8,055	225	5,343	4.05	3.30		dabernethy@adhis.com.au