title: Effects of heterosis on maternal performance and milk production in Hereford, Angus and Shorthorn cattle.
mesh_terms: D000367:Age Factors; D000818:Animals; D001724:Birth Weight; D001835:Body Weight; D001947:Breeding; D002417:Cattle / Q000254:growth & development / Q000502:physiology*; D003433:Crosses, Genetic; D005260:Female; D006823:Hybrid Vigor; D006824:Hybridization, Genetic; D007774:Lactation; D008297:Male; D049590:Postpartum Period; D011247:Pregnancy; D012737:Sex Factors; D014886:Weaning