title: [Twins in cattle. Freemartin or not? Current aspects].
abstract: Methods are described for the detection of freemartins. The first step is to measure the length of the vagina, followed, if necessary, by laboratory investigations--blood group, chromosome, or DNA typing.
authors.affiliation: Laboratorium B.V. Wageningen.
authors.forename: H
authors.initials: H
authors.lastname: van Haeringen
authors.forename: R
authors.initials: R
authors.lastname: Hradil
mesh_terms: D000818:Animals; D001789:Blood Group Antigens; D002417:Cattle; D002875:Chromosomes / Q000648:ultrastructure; D005260:Female; D005611:Freemartinism / Q000175:diagnosis* / Q000235:genetics; D007621:Karyotyping / Q000662:veterinary; D016133:Polymerase Chain Reaction / Q000662:veterinary; D011247:Pregnancy; D011270:Pregnancy, Animal; D011272:Pregnancy, Multiple
chemical_list: D001789:Blood Group Antigens
vernacular_title: Tweelingen bij runderen. Wel of geen kwee? Actuele informatie.