Table 5. Nutriregulated miRNA which bovine equivalent is located in QTL associated with milk production and composition.

QTL	Associated with milk components		Associated with mammary tissue health
Bovine chromosome	Fat percentage and content	Protein yield	Somatic cell score
BTA 4	mir-671	mir-671	mir-671
BTA 18			mir-140
BTA 21	mir-494, mir-541, mir-409a

Conservation between nutriregulated and bovine miRNA was checked and their localization in QTL (CattleQTLdb, http://www.animalgenome.org/cgi-bin/QTLdb/BT/) associated with milk was investigated.