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Title:   Author  item
                                            DE SOUZA, A - UNIVERSIDAD DE SAO PAULOitem
                                            GUIMARAES, J - UNI. ESTAU. DE LONDRINAitem
                                            FERREIRA, F - UNIVERSIDAD DE SAO PAULOitem
                                            Dubey, Jitenderitem
                                            GENNARI, S - UNIVERSIDAD DE SAO PAULO
  Submitted to: Journal of Parasitology
                                    Publication Type: Peer Reviewed Journal
                                    Publication Acceptance Date: 3/2/2002
                                    Publication  Date: 4/6/2002
                                    Citation: De Souza, A.L., Guimaraes, J.S., Ferreira, F., Dubey, J.P., Gennari, S.M. 2002. Prevalence of neospora caninum antibodies in dogs from dairy cattle farms  in parana, brazil. Journal of Parasitology 88:408-409.Interpretive Summary: Neospora caninum is a single-celled parasite of livestock and companion animals.  It causes abortion in cattle and paralysis in companion animals. Dogs are the main reservoir of its infection.  Scientists at the Beltsville Agricultural Research Center and the University of Sao Paulo found antibodies to N. caninum in 21.6% of 134 dogs from 22 dairy cattle farms in nParana State of Brazil.  These results will be of interest to parasitologists veterinarians and dairy farmers.
                                Technical Abstract: Serum samples from 134 dogs from 22 cattle dairy farms in the northern region of Parana State, Brazil, were tested for antibodies to Neospora caninum in an indirect fluorescent antibody test.  Antibodies (ò1:50) to N. caninum were found in 29 (21.6%) of 134 dogs and seropositive dogs were present on 14 (63.6%) of 22 dairy cattle farms.  The antibody titers of  dogs were 1:50 (3 dogs), 1:100 (7 dogs), 1:200 (7 dogs), 1:400 (6 dogs) an ò1:800 (6 dogs).  The low prevalence (9%) in <1-yr-old versus 2 to 3-fold higher prevalence in older dogs (17-29%) suggests post-natal exposure to N. caninum infection.


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