Veterinary and public health aspects of Toxocara spp

Overgaauw, Paul; Knapen, F. van

doi:10.1016/j.vetpar.2012.12.035

Cited by 285 publications

(241 citation statements)

References 59 publications

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“…41 However, some species and serotypes of Leptospira and rabies can be maintained by native mammal species in islands. 42,43 For these two diseases, we only included cases of species or serotypes associated with rodents or dogs, respectively.…”

Section: Methodsmentioning

confidence: 99%

Estimating Burdens of Neglected Tropical Zoonotic Diseases on Islands with Introduced Mammals

Wit

Croll

Tershy

et al. 2017

The American Society of Tropical Medicine and Hygiene

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Abstract. Many neglected tropical zoonotic pathogens are maintained by introduced mammals, and on islands the most common introduced species are rodents, cats, and dogs. Management of introduced mammals, including control or eradication of feral populations, which is frequently done for ecological restoration, could also reduce or eliminate the pathogens these animals carry. Understanding the burden of these zoonotic diseases is crucial for quantifying the potential public health benefits of introduced mammal management. However, epidemiological data are only available from a small subset of islands where these introduced mammals co-occur with people. We examined socioeconomic and climatic variables as predictors for disease burdens of angiostrongyliasis, leptospirosis, toxoplasmosis, toxocariasis, and rabies from 57 islands or island countries. We found strong correlates of disease burden for leptospirosis, Toxoplasma gondii infection, angiostrongyliasis, and toxocariasis with more than 50% of the variance explained, and an average of 57% (range = 32-95%) predictive accuracy on out-of-sample data. We used these relationships to provide estimates of leptospirosis incidence and T. gondii seroprevalence infection on islands where nonnative rodents and cats are present. These predicted estimates of disease burden could be used in an initial assessment of whether the costs of managing introduced mammal reservoirs might be less than the costs of perpetual treatment of these diseases on islands.

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Section: Methodsmentioning

confidence: 99%

Estimating Burdens of Neglected Tropical Zoonotic Diseases on Islands with Introduced Mammals

Wit

Croll

Tershy

et al. 2017

The American Society of Tropical Medicine and Hygiene

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“…Eggs and larvae of geohelminths are a severe threat to children [9,12,14]. This threat is the greatest in parks and in playgrounds [4,10,12,14,15,16].…”

Section: Introductionmentioning

confidence: 99%

“…Removal of canine faeces from lawns and green areas is still uncommon among dog owners. The life cycle of many intestinal parasites, especially those of the Ascaris genus, require that the roundworm eggs get into soil [10,12,14,15,16]. This characteristic of some geohelminths makes them dangerous to humans in this developmental stage [17].…”

Section: Introductionmentioning

confidence: 99%

“…These threats occur as a result of child mobility, especially in parks and in playgrounds where children often touch the ground with their hands, which, when lacking hygienic habits, may facilitate the transmission of contamination from the hand to the mouth [15,16,17,21]. In this context, a negative role is played by habits acquired in early childhood, namely geophagia (soil eating) and onychophagia (compulsive nail biting) [15,17,21].…”

Section: Introductionmentioning

confidence: 99%

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Invasive forms of canine endoparasites as a potential threat to public health – A review and own studies

Michalski¹,

Felsmann²,

Sokół³

et al. 2017

Ann Agric Environ Med.

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Felsmann MZ, Michalski MM, Felsmann M, Sokół R, Szarek J, Strzyżewska-Worotyńska E. Invasive forms of canine endoparasites as a potential threat to public health -A review and own studies. Ann Agric Environ Med. 2017; 24(2): 245-249. doi: 10.5604/12321966.1235019 AbstractDogs serve as the vectors of serious zoonotic parasitic diseases. In the month of May 2012 -2014, 339 dog faeces samples from seven public sites in Chełmno, a town in northern Poland, were collected and examined to determine the gastrointestinal parasite fauna of dogs. Each faecal sample was dissected with a needle, checked for tapeworm segments and examined for parasite eggs and oocysts using the flotation and decantation method and a modified Baermann technique. Differences were observed in the degree of parasite species occurrence. The most dominant were Toxocara canis and Ancylostomatidae. The detected species included: T. canis and Toxascaris leonina eggs (23.4% and 10.2%, respectively), as well as eggs from the Ancylostomatidae family (16.2%), Trichuris vulpis eggs (6.6%), Taenia type eggs (4.6%), Dipylidium caninum (5.2%) and Cystoisospora (Isospora) spp. oocysts (10.9%).

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“…Köy ve çiftliklerdeki yaşam tarzında, evcil hayvanların hem kendi aralarında hem de insanlarla yakın temas halinde bulunması ile yaban hayvanlarının bu bölgelerde sıklıkla biyolojik döngüye dahil olması, parazitin daha da yaygın olarak görülmesine neden olabilir (1,2). Paraziter hastalıklardan özellikle helmintler, hayvan ve halk sağlığı açısından ciddi sorunlara sebep olmaktadır (3,4). Türkiye'de köpekler, kist hidatik etkeni E. granulosus ile Visceral Larva Migrans (VLM) ve Ocular Larva Migrans'a (OLM) neden olan T. canis'i insanlara taşımasıyla ayrı bir öneme sahiptir.…”

Section: Introductionunclassified

Helminth Infections by Coprological Examination in Sheep-Dogs and Their Zoonotic Importance

Öge

Öge²,

Özbakış³

et al. 2017

TurkiyeParazitolDerg

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ÖZAmaç: Bu çalışma, çoban köpeklerinde sindirim sistemi helmintlerinin yaygınlığını ve zoonoz öneme sahip türlerin varlığını belirlemek amacıyla yapılmıştır. Yöntemler: Dışkı örnekleri önce makroskobik olarak incelenmiş, daha sonra helmint yumurtaları yönünden formalin ethyl-acetat sedimentasyon ve ZnSO 4 flotasyon yöntemleri ile bakılmıştır. Results: Helminth infection was detected in 35.26% of sheep dogs. Taenia spp. was the most common helminth (12.05%), followed by Toxocara spp. (9.38%), Toxascaris leonina (6.25%), and Trichuris spp. (4.2%). The positive results in the E. granulosus and T. canis-specific PCRbased molecular tests were obtained in 14 of the Taenia egg-positive samples and in 5 of the Toxocara egg-positive samples from dogs. This study has suggested that coprophagy and feed raw offal and meat to dogs may be responsible for finding atypical helminth eggs in fecal samples from dogs in the absence of an actual infection. Conclusion: To make the diagnosis of their owned parasites of dogs, E. granulosus and T. canis which have zoonotic importance, feces must be examined by both conventional and copro-PCR techniques. In addition to dogs' feeding habits, other related factors must be taken into account in the epidemiology of helminth infection; thus, precaution and control measures will be more reliable.

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Veterinary and public health aspects of Toxocara spp

Cited by 285 publications

References 59 publications

Estimating Burdens of Neglected Tropical Zoonotic Diseases on Islands with Introduced Mammals

Estimating Burdens of Neglected Tropical Zoonotic Diseases on Islands with Introduced Mammals

Invasive forms of canine endoparasites as a potential threat to public health – A review and own studies

Helminth Infections by Coprological Examination in Sheep-Dogs and Their Zoonotic Importance

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