title: Twinning in the karyotype I night monkey (Aotus nancymai).
abstract: A case of successful survival of twins in a Karyotype I (2n = 54) night monkey (Aotus nancymai) is described. Monthly weights of the pregnant female, and of the twins, are compared to those of pregnant females and their single birth offspring of the same sex and karyotype.
authors.affiliation: Animal Resources Center, University of Puerto Rico, San Juan 00936.
authors.forename: C A
authors.initials: CA
authors.lastname: Málaga
authors.forename: R E
authors.initials: RE
authors.lastname: Weller
authors.forename: R L
authors.initials: RL
authors.lastname: Buschbom
mesh_terms: D000818:Animals; D001029:Aotus trivirgatus / Q000235:genetics*; D001522:Behavior, Animal; D005260:Female; D007621:Karyotyping; D008124:Locomotion; D011247:Pregnancy; D011256:Pregnancy Outcome / Q000662:veterinary*; D011270:Pregnancy, Animal; D014427:Twins; D015430:Weight Gain