La prévalence de la toxoplasmose chez les animaux familiers dans le Sud-Ouest de la France

Cabannes, A.; Lucchese, Fernando; Pelse, H.; Biesel, N.; Eymonnot, M.; Appriou, M.; Tribouley-Duret, J

doi:10.1016/s0399-077x(98)80037-1

Cited by 7 publications

(2 citation statements)

References 7 publications

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“…In the present survey, 5.7% of the dogs were found seropositive, which is lower than the 14.1% reported in France (Cabannes et al 2002). Other studies, for instance, carried out in Italy, showed prevalence rates between 0.8 and 17% (Traldi et al 1988;TrotzWilliams and Trees 2002).…”

Section: Discussioncontrasting

confidence: 67%

“…Predominantly higher titers observed in the present study than those detected after experimental or natural infections (Schindler et al 1966;Weiland and Kratzer 1979;Cabannes et al 2002) may reflect repeated exposure and/or the previously documented high immunogenicity of the Hungarian isolate of B. canis when compared to others (Hauschild et al 1995). Antibodies were most prevalent in the age group of 3.1 to 5 years, which is in contrast with the findings of Cabannes et al (2002) who demonstrated a peak rate of infection between 6 and 10 years of age. However, both results are in accordance with the observations that dogs 3 years of age or older may have a significantly higher risk of being seropositive to B. canis than dogs below 1 year of age (Yamane et al 1994).…”

Section: Discussionsupporting

confidence: 41%

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Seroprevalence of canine babesiosis in Hungary suggesting breed predisposition

2006

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Six hundred fifty-one blood samples were collected from urban and rural dogs in various parts of Hungary to measure antibody levels to Babesia canis with indirect fluorescent antibody test. Thirty-seven (5.7%) of the sera showed positivity with titers between 1:80 and 1:10,240. Seroconverted dogs were found in 13 locations of the country. It is concluded that canine babesiosis is becoming more prevalent in Eastern Hungary. Seropositivity increased then declined with age, reaching a maximum in case of 3.1- to 5-year-old dogs. Prevalence of antibodies to B. canis was significantly higher among german shepherds and komondors. This suggests a genetic predisposition of german shepherd dogs to chronic babesiosis (carrier status) with long-term maintenance of their seropositivity. On the other hand, heavy-coated komondors are phenotypically more suitable for repeated exposure to ticks, potentially infected with B. canis. This is the first report on the seroprevalence of canine babesiosis in Hungary.

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Section: Discussioncontrasting

confidence: 67%

Section: Discussionsupporting

confidence: 41%

Seroprevalence of canine babesiosis in Hungary suggesting breed predisposition

2006

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Enquête de séroprévalence de la toxoplasmose animale au Sénégal

Davoust

Mediannikov

Roqueplo

et al. 2014

Bull. Soc. Pathol. Exot.

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Toxoplasma gondii is an obligate, intracellular, parasitic protozoan within the phylum Apicomplexa that causes toxoplasmosis in mammalian hosts (including humans) and birds. We used modified direct agglutination test for the screening of the animals' sera collected in Senegal. In total, 419 animals' sera have been studied: 103 bovines, 43 sheep, 52 goats, 63 horses, 13 donkeys and 145 dogs. The collection of sera was performed in four different regions of Senegal: Dakar, Sine Saloum, Kedougou and Basse Casamance from 2011 to 2013. We have revealed antibodies in 13% of bovines, 16% of sheep, 15% of goats, 30% of horses, 23% of donkeys and 67% of dogs. Private dogs from villages were more often to have the anti-Toxoplasma antibodies compared to security society-owned dogs from Dakar. It may be explained by different meal consumed by dogs (factory-produced meal for dogs from Dakar vs. irregular sources for village dogs). Intense circulation of T. gondii in the studied zone may explain the unusually high seroprevalence among horses and donkeys. Tropical climate with high temperature and humidity is favorable for the conservation of oocysts of T. gondii. Results presented here may contribute to the evaluation of the risks of toxoplasmosis in humans in Senegal.

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Toxoplasma gondii: from animals to humans

Tenter

Heckeroth

Weiss

2000

International Journal for Parasitology

3,011

2,476

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Toxoplasmosis is one of the more common parasitic zoonoses world-wide. Its causative agent, Toxoplasma gondii, is a facultatively heteroxenous, polyxenous protozoon that has developed several potential routes of transmission within and between different host species. If first contracted during pregnancy, T. gondii may be transmitted vertically by tachyzoites that are passed to the foetus via the placenta. Horizontal transmission of T. gondii may involve three lifecycle stages, i.e. ingesting infectious oocysts from the environment or ingesting tissue cysts or tachyzoites which are contained in meat or primary offal (viscera) of many different animals. Transmission may also occur via tachyzoites contained in blood products, tissue transplants, or unpasteurised milk. However, it is not known which of these routes is more important epidemiologically. In the past, the consumption of raw or undercooked meat, in particular of pigs and sheep, has been regarded as a major route of transmission to humans. However, recent studies showed that the prevalence of T. gondii in meat-producing animals decreased considerably over the past 20 years in areas with intensive farm management. For example, in several countries of the European Union prevalences of T. gondii in fattening pigs are now <1%. Considering these data it is unlikely that pork is still a major source of infection for humans in these countries. However, it is likely that the major routes of transmission are different in human populations with differences in culture and eating habits. In the Americas, recent outbreaks of acute toxoplasmosis in humans have been associated with oocyst contamination of the environment. Therefore, future epidemiological studies on T. gondii infections should consider the role of oocysts as potential sources of infection for humans, and methods to monitor these are currently being developed. This review presents recent epidemiological data on T. gondii, hypotheses on the major routes of transmission to humans in different populations, and preventive measures that may reduce the risk of contracting a primary infection during pregnancy.

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La prévalence de la toxoplasmose chez les animaux familiers dans le Sud-Ouest de la France

Cited by 7 publications

References 7 publications

Seroprevalence of canine babesiosis in Hungary suggesting breed predisposition

Seroprevalence of canine babesiosis in Hungary suggesting breed predisposition

Enquête de séroprévalence de la toxoplasmose animale au Sénégal

Toxoplasma gondii: from animals to humans

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