Serological surveillance on South American wild canids for Neospora caninum

Melo, C. B. de; Leite, Rômulo Cerqueira; Leite, Freitas

doi:10.1590/s0102-09352002000400018

Cited by 9 publications

(2 citation statements)

References 15 publications

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“…Similarly, the lack of N. caninum infection observed in pine martens and badgers may be linked to their omnivorous diet in Ireland (Fairley, 1967; Boyle and Whelan, 1990; Fairley 2001; Cleary et al . 2009), thus limiting their exposure to N. caninum (Melo et al 2002). Hůrkova and Modry (2006) also did not detect N. caninum DNA in badgers or pine martens.…”

Section: Discussionmentioning

confidence: 99%

Investigating the role of wild carnivores in the epidemiology of bovine neosporosis

et al. 2012

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Neospora caninum is a protozoan parasite, primarily associated with bovine abortion. The only definitive hosts discovered to date are carnivores. This study aimed to identify the role of mammalian carnivores in the epidemiology of bovine neosporosis. A sample bank of serum, fecal and brain samples was established: American mink (Mustela vison), red foxes (Vulpes vulpes), pine martens (Martes martes), badgers (Meles meles), stoats (Mustela erminea), otters (Lutra lutra) and feral ferrets (Mustela putorius). Approximately 1% of mink and 1% of fox samples were positive by IFAT. According to PCR analysis of DNA extracted from brain tissue, 3% of the mink, 4% of the otters and 6% of the foxes examined were infected with N. caninum. All fecal samples tested negative for N. caninum DNA (n = 311), suggesting that the species that tested positive were intermediate not definitive hosts. This is the first time that tissues from mustelids have tested positive for N. caninum. The need to test 2 relatively large (~200 mg) targeted parts of the brain to avoid false negatives was also identified. The relatively low prevalence of N. caninum in Irish carnivores suggests that the local ecology of a species has an important influence on its epidemiological role.

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Section: Discussionmentioning

confidence: 99%

Investigating the role of wild carnivores in the epidemiology of bovine neosporosis

et al. 2012

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“…Maned wolves are the largest canids in South America and according to the IUCN list [ 72 ] are a near-threatened species. Several studies reported negative results in this species in Brazil [ 73 – 75 ].…”

Section: Seroprevalence Prevalence and Isolation Studies Of mentioning

confidence: 99%

Neospora caninumand Wildlife

Almerı́a

2013

ISRN Parasitology

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Bovine neosporosis caused by Neospora caninum is among the main causes of abortion in cattle nowadays. At present there is no effective treatment or vaccine. Serological evidence in domestic, wild, and zoo animals indicates that many species have been exposed to this parasite. However, many aspects of the life cycle of N. caninum are unknown and the role of wildlife in the life cycle of N. caninum is still not completely elucidated. In North America, there are data consistent with a sylvatic cycle involving white tailed-deer and canids and in Australia a plausible sylvatic cycle could be occurring between wild dogs and their macropod preys. In Europe, a similar sylvatic cycle has not been established but is very likely. The present review is a comprehensive and up to date summary of the current knowledge on the sylvatic cycle of N. caninum, species affected and their geographical distribution. These findings could have important implications in both sylvatic and domestic cycles since infected wildlife may influence the prevalence of infection in cattle farms in the same areas. Wildlife will need to be taken into account in the control measures to reduce the economical losses associated with this important disease in cattle farms.

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