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
2	2010	Portugal	76849	1658	46.35	9246	3.63	3.32		filomena_afonso@dgv.min-agricultura.pt
1	2009	Portugal	75030	1681	44.63	8980	3.65	3.30		filomena_afonso@dgv.min-agricultura.pt