title: [Heifer age and the reproductive function].
mesh_terms: D000367:Age Factors; D000818:Animals; D002417:Cattle / Q000502:physiology*; D005260:Female; D007774:Lactation; D011247:Pregnancy; D012098:Reproduction; D012741:Sexual Maturation
vernacular_title: Vozrast telok i vosproizvoditel'naia funktsiia.