[Attempts at sex determination on 6- and 7- day old cattle embyros].
D000818:Animals; D002417:Cattle / Q000196:embryology*; D004622:Embryo, Mammalian; D005260:Female; D005865:Gestational Age; D011247:Pregnancy; D012732:Sex Determination Analysis
Versuche zur Geschlechtsbestimmung an Tag  6 und 7 alten Rinderembryonen.