Waterborne zoonotic helminthiases

Nithiuthai, Suwannee; Anantaphruti, Malinee T; Waikagul, Jitra; Gajadhar, Alvin A.

doi:10.1016/j.vetpar.2004.09.018

Cited by 84 publications

(53 citation statements)

References 60 publications

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“…A number of factors could be responsible for the level of condemnation recorded in this study including, the presence of parasite (F. hepatica, F. gigantica, C. bovis, and T. saginata), changes in seasonal rainfall pattern, or animal ingesting metacercaria through ingestion of raw contaminated aquatic plants or drinking contaminated stagnant water or effluent from sewage treatment plant [47][48][49][50][51]. The presence of various Fasciola spp.…”

Section: Factor Responsible For Bovine Liver Condemnationsmentioning

confidence: 90%

A Quantitative Assessment of Causes of Bovine Liver Condemnation and Its Implication for Food Security in the Eastern Cape Province South Africa

et al. 2017

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Food production needs to double, with minimum waste, if hunger and poverty is to be alleviated in South Africa. The condemnation of liver during meat inspection represents a huge waste of a protein food resource. This paper measures the quantity of liver condemned in three abattoirs in the Eastern Cape Province of South Africa and assesses the causes and the monetary loss associated with these condemnations. A retrospective study (RS) (n = 51 302) involving the use of abattoir slaughter records from 2010-2012 and a post-mortem meat inspection (PMMI) (n = 1374) was conducted from July to December 2013. The RS revealed the leading cause of liver wastage as fasciolosis (5.95%, 4.48%, and 2.7%), fibrosis (2.74%, 2.37%, and 1.0%), and abscessation (1.11%, 2.78%, and 1.5%) for the 2010, 2011, and 2012 respectively. During the PMMI, the same factors caused liver condemnation in addition to calcification (8.3%, 6.8%, and 3.2%), Cysticercosis bovis (1.7%, 2.4%, and 1.3%) and improper evisceration (4.8%, 12.4%, and 27.1%) for the abattoirs X, Y, and Z respectively. A total of R 343, 330 (USD 45,271.07) was lost due to the condemnation of liver between 2010 and 2012. The further loss of 3290.4 kg of liver was calculated for the six month in 2013, and its financial value was R 59, 227.2 (USD 5889.82). The result of this study provide baseline information on major causes of liver wastage in cattle slaughtered in South Africa as well as the direct financial losses and demonstrate the huge waste of ideal protein food source.

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Section: Factor Responsible For Bovine Liver Condemnationsmentioning

confidence: 90%

A Quantitative Assessment of Causes of Bovine Liver Condemnation and Its Implication for Food Security in the Eastern Cape Province South Africa

et al. 2017

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“…The defi nitive host of Alaria fl uke are dogs and cats, while the known intermediate hosts are fresh water snails (helisomid) and frogs. In helisomid snails, sporocyst develop into cercariae (Nithiuthai et al, 2004) and then released to actively penetrate the second intermediate host (tadpoles) which then develop to infective mesocercariae. Mesocercariae accumulate and may be ingested by a number of paratenic hosts (e.g., other frogs, snakes) or directly by the defi nitive host.…”

Section: Discussionmentioning

confidence: 99%

Parasites of edible land snails in Edo State, Nigeria

et al. 2016

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SummaryLand snails are sources of protein to man and are hosts to a number of parasites. It is imperative that the roles of the snail hosts and parasites are clearly defi ned. Before then however, the parasites of the different land snails collected in any locality should be identifi ed. Land snails were collected in the wild in both dry and wet seasons. The internal organs and the faeces were examined for the presence of parasite. In the rainy season of 2015, a total of 272 snails were collected across four major towns (Benin, Uromi, Ekpoma and Auchi) in Edo State, Nigeria, while in the dry season, fewer snails (n=91) were handpicked. The snail species seen are: Achatina achatina (Linnaeus, 1758), Achatina fulica (Férussac, 1821), Acharchatina marginata (Swainson, 1982), Limicolaria aurora (Jay, 1839), L. fl ammea (Müller, 1774) and Limicolariopsis spp. The larvae of Strongyloides stercoralis were isolated from the various snail species with overall prevalence of 54.04 %. Snails positive with Alaria mesocercariae were L. aurora, L. fl ammea and Limicolariopsis spp. Additionally, few L. fl ammea were positive of the cercariae of Drocoelium dedriticum. Meanwhile, some samples of A. fulica harboured larvae of Angiostrongylus cantonesis, sporocysts of Fasciola gigantica and Schistosoma mansoni. Therefore, these edible snails could pose serious health hazard to man and animals by serving as a possible alternative parasite transmission route.

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“…Indeed, I. exustus has been implicated in outbreaks of cercarial dermatitis in human populations in India (Narain et al, 1998;Narain & Mahanta, 2000), the Lao PDR (Ditrich et al, 1992), Malaysia (Palmieri et al, 1977) and Thailand (Kullavanijaya & Wongwaisaya, 1993;Nithiuthai et al, 2004). Other schistosomes likely to be implicated in an outbreak of cercarial dermatitis are Schistosoma spindale (Ditrich et al, 1992) and species of Trichobilharzia such as T. maegraithi (known from Thailand; Kruatrachue et al, 1968), T. brevis (Malay Peninsula), T. jianensis (Manchuria, China; Liu et al, 1977), and T. paoi (common across China; Tang & Tang, 1962).…”

Section: Introductionmentioning

confidence: 99%

Malacological and parasitological surveys along the Xe Bangfai and its tributaries in Khammouane Province, Lao PDR

Attwood

Cottet

2015

Hydroécol. Appl.

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-Malacological and parasitological observations were conducted along the Xe Bangfai River between 2010 and 2012 after a dermatitis outbreak. Mollusc populations were surveyed at 28 stations. Mollusc family and species lists were compiled. A sub-sample of 4033 snails from 10 gastropod families was screened for the presence of trematode cercariae. The findings demonstrated that mollusc populations declined after the initial operation of the Nam Theun 2 hydropower project. The species composition of the snail populations also underlined ecological changes. No definitive cause of cercarial dermatitis was found. However, cercariae resembling echinostome and xiphidiocercariae were respectively observed in one population of Bithyniidae and one population of Neotricula aperta. Further hydrobiological studies are thought to be necessary to study the succession of the molluscan community in the Xe Bangfai River until populations become stable.

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Waterborne zoonotic helminthiases

Cited by 84 publications

References 60 publications

A Quantitative Assessment of Causes of Bovine Liver Condemnation and Its Implication for Food Security in the Eastern Cape Province South Africa

A Quantitative Assessment of Causes of Bovine Liver Condemnation and Its Implication for Food Security in the Eastern Cape Province South Africa

Parasites of edible land snails in Edo State, Nigeria

Malacological and parasitological surveys along the Xe Bangfai and its tributaries in Khammouane Province, Lao PDR

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