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
10	2008	Portugal	Holstein Frisia	80089	365	10330	8920	3,66%	3,27%	436		jaimemachado2007@gmail.com
9	2007	Portugal	Holstein Frisia	80116	366	10134	8688	3,61%	3,21%	439		eabl@mail.telepac.pt
8	2006	Portugal	Holstein Frisia	84880	361	10014	8659	3,57%	3,21%	432		eabl@mail.telepac.pt
7	2005	Portugal	Holstein Frísia	88527	358	9733	8453	3,59%	3,26%	428		eabl@mail.telepac.pt
6	2004	Portugal	Holstein Frisia	90254	361	9439	8166	3,62%	3,25%	431		jmachado@anable.pt
5	2003	Portugal	Holstein Frísia	91281	354	9065	7940	3,64%	3,21%	426		jmachado@anable.pt
4	2002	Portugal	Holstein Frisia	94623	350	8760	7727	3,68%	3,22%	421		jmachado@anable.pt
3	2001	Portugal	Holstein Frisia	90382	348	8367	7427	3,66%	3,20%			jmachado@anable.pt