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- In the special issue: Animal reproduction: Research and practice II / edited by M. Forsberg, T. Greve, H. Gustafsson, T. Katila, H. Kindahl and E. Ropstad. Paper presented at the 14th International Congress on Animal Reproduction, July 2-6, 2000, Stockholm, Sweden.
- Mengeling, W.L. , Lager, K.M. , Vorwald, A.C.
- reproduction , infection , disease diagnosis , swine , sexual reproduction , Porcine parvovirus , porcine reproductive and respiratory syndrome , viruses , reproductive disorders , disease outbreaks , embryonic mortality , pregnancy , developmental stages , fetal death , virulence , vaccination , vaccines , epidemiology , literature reviews
- Journal Articles, USDA Authors, Peer-Reviewed