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	46528	367	10658	9180	3,67%	3,28%			jaimemachado2007@gmail.com
9	2007	Portugal	Holstein Frisia	46481	369	10456	8928	3,61%	3,23%			eabl@mail.telepac.pt
8	2006	Portugal	Holstein Frisia	48289	363	10355	8926	3,56%	3,22%			eabl@mail.telepac.pt
7	2005	Portugal	Holstein Frisia	49197	361	10141	8759	3,60%	3,27%			eabl@mail.telepac.pt
6	2004	Portugal	Holstein Frisia	48369	364	9854	8474	3,63%	3,26%			jmachado@anable.pt
5	2003	Portugal	Holstein Frísia	41776	358	9496	8263	3,65%	3,22%			jmachado@anable.pt
4	2002	Portugal	Holstein Frisia	38174	355	9165	8037	3,67%	3,22%			jmachado@anable.pt
3	2001	Portugal	Holstein Frisia	33780	351	8749	7733	3,66%	3,19%			jmachado@anable.pt