Johnson, M H Simulation of genetic control of reproduction in beef cows. II. Derived genetic parameters. [electronic resource] - Journal of animal science Jul 1987 - 76-87 p. digital Publication Type: Journal Article ISSN: 0021-8812 Standard No.: 10.2527/jas1987.65176x doi Subjects--Topical Terms: AnimalsCattle--geneticsFemaleGenetic VariationModels, TheoreticalPregnancyPregnancy, Animal