Journal
REVISTA BRASILEIRA DE PARASITOLOGIA VETERINARIA
Volume 21, Issue 3, Pages 294-297Publisher
BRAZILIAN COLL VETERINARY PARASITOLOGY
DOI: 10.1590/S1984-29612012000300021
Keywords
Neosporosis; horizontal infection; reproductive abnormalities; IFAT
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Funding
- Research Support Foundation of the State of Minas Gerais (Fundacao de Apoio a Pesquisa do Estado de Minas Gerais, FAPEMIG) [CVZ APQ-7963-5.04/07]
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The objective of this cross-sectional study was to estimate the rate of vertical transmission and to investigate horizontal transmission of Neospora caninum and occurrences of reproductive abnormalities in seropositive dairy cows on two farms in the state of Minas Gerais, Brazil. The frequency of cows seropositive for N caninum according to the indirect fluorescent antibody test (IFAT) was 39.4% (93/236) for Farm A and 31.4% (32/102) for the Farm B (p > 0.05). The mean vertical transmission rates for N caninum were 29% and 9% for the herds of Farms A and B, respectively. No negative effects (p > 0.05) from infection by N. caninum were observed regarding milk production and occurrences of reproductive abnormalities in herds A and B.
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