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
2	2003	Egypt	Buffalo	3300	310	1900	1880	8.0%	NA	420		cise@main-scc.cairo.eun.eg
1	2003	Egypt	Holstein	4150	350	8100	7190	NA	NA	460		cise@main-scc.cairo.eun.eg