Key	Year	Country	Breed	Number of lactations	Lengthh 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
5	2007	GREECE	H-F	19.332	325	8.718,51	7.580,35	3,89%		472		ve46u038@minagric.gr
4	2006	GREECE	H-F	17.850	324	8.440,90	7.461,26	3,94%		423		ve46u038@minagric.gr
3	2005	GREECE	H-F	14.515	323	8.676,32	7.292,72	3,80%		427		ve46u038@minagric.gr
2	2004	GREECE	H-F	5.968	318	7.277,47	6.803,86	3,84%		439		ve46u038@minagric.gr
1	2003	GREECE	H-F	2.648	311	6.937,61	6.471,69	3,84%		438		ve46u038@minagric.gr