Prevalence and geographical distribution of amphistomes of African wild ruminants: A scoping review

Sibula, Madeline Siyazisiwe; Nyagura, Ignore; Malatji, Mokgadi Pulane; Mukaratirwa, Samson

doi:10.1016/j.ijppaw.2024.100906

Cited by 4 publications

(13 citation statements)

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“…Data from previous research in sub-Saharan Africa have indicated that majority of amphistomes species occurring in wild ruminants are also common in domestic ruminants, except Bilatorchis papillogenitalis, Carmyerius bubalis, and Cotylophoron macrosphinctris, which have only been documented in wild ruminants to date [4,18]. These three species are amongst those with unknown intermediate snail hosts.…”

Section: Introductionmentioning

confidence: 96%

Amphistome Infection and Species Diversity of Freshwater Snails Collected from Selected Wildlife Drinking Water Sources in Matebeleland Region of Zimbabwe

Sibula,

Malatji,

Nyahunda

et al. 2024

Veterinary Sciences

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This study aimed at determining the identity of freshwater snails collected from selected water habitats frequented by wildlife as source of drinking water in the Matebeleland region of Zimbabwe and further screening the identified snails for natural infections with amphistomes using PCR. A total of 487 freshwater snails were collected from six areas in the Matebeleland region of Zimbabwe for identification and screening of amphistome infection. Eight freshwater snail species were morphologically identified and Biomphalaria pfeifferi, Bul. tropicus, Bul. truncatus, Bul. globosus, and L. (R.) natalensis were confirmed using the COI gene. Bulinus tropicus and Phy. acuta were the most abundant species at 33.9% (165/487) and 31.2% (155/487), respectively. DNA of amphistome was detected in 11.9% (58/487) of the collected snails. The highest infection rate was detected in Bul. globosus (44.4%). West Nicholson recorded the highest infection rate (33.9%), and infection was not detected in L. (R.) natalensis, Phy. acuta, and Bellamya spp. Amphistome DNA from M. tuberculata was successfully sequenced and identified as Calicophoron microbothrium. An additional band was detected in M. tuberculata, Bul. tropicus, and Bul. trancatus, which showed a 96.42% similarity to Paragonimus sp. sequence in the GenBank.

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Section: Introductionmentioning

confidence: 96%

Amphistome Infection and Species Diversity of Freshwater Snails Collected from Selected Wildlife Drinking Water Sources in Matebeleland Region of Zimbabwe

Sibula,

Malatji,

Nyahunda

et al. 2024

Veterinary Sciences

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“…Intestinal amphistomosis, otherwise known as amphistomiasis (1), paramphistomiasis (2,3), or paramphistomosis (4), is a neglected trematode disease of domestic and wild ruminants (1,5,6). The disease is caused by a heavy infection with immature flukes, resulting in acute gastroenteritis with significant morbidity and mortality, particularly in young animals (1).…”

Section: Introductionmentioning

confidence: 99%

“…The disease is spread worldwide, with the highest infection rates reported in the tropical and subtropical regions of Asia (2, 7), Africa (2,6,8), Australia (2), Europe (2,4), and Russia (2). The causative amphistome species are commonly known as rumen flukes or conical flukes, belonging to the class Trematoda under the superfamily Paramphistomoidea Fischoeder, 1901 (9, 10).…”

Section: Introductionmentioning

confidence: 99%

“…Adult flukes located in the rumen and reticulum produce eggs, which are then passed through feces (1,2). The eggs that need an aquatic environment hatch into miracidia, which is the infective stage for the intermediate hosts, and the miracidia will infect various intermediate host snails (6).…”

Section: Introductionmentioning

confidence: 99%

“…To date, there are more than 70 amphistome species reported in both domestic and wild ruminants worldwide (1,6,12). The IHs belonging to the taxa Caenogastropoda Cox, 1960; Stylommatophora Schmidt, 1855; and Basommatophora Keferstein, 1864, involving many genera and species within the families Planorbidae Rafinesque, 1815, and Lymnaeidae Rafinesque, 1815 (13) have been implicated in the transmission of various amphistome species.…”

Section: Introductionmentioning

confidence: 99%

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The prevalence and infection rates of amphistome species in intermediate snail hosts: a systematic review and meta-analysis

Nyagura,

Malatji,

Mukaratirwa

2024

Front. Vet. Sci.

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The systematic review and meta-analysis were conducted to determine the estimates of the prevalence and infection rates of natural and experimental infections of amphistome species in intermediate host snails (IHs) across different continents. A search of peer-reviewed literature on natural and experimental infections of freshwater snails with amphistome species was conducted from four electronic databases from 1984 to 2023. The estimates of the prevalence and/or infection rates were based on 36 eligible peer-reviewed articles, which met the inclusion criteria and reported on natural and experimental infections of amphistome species in freshwater snails. The results showed that a total of 1,67,081 snail species from the peer-reviewed articles were examined for natural infections and 7,659 snail species for experimental infections. The overall pooled prevalence of amphistome infections from naturally infected snails was 2% (95% CI: 0–4), while the overall pooled prevalence of amphistome infections from infections was 40% (95% CI: 18–64). The highest pooled prevalence of natural infection was 3%, which was recorded in Europe (95% CI: 1–7%). The highest overall prevalence of naturally infected amphistome was 6% (95% CI: 0–20%) for Paramphistomum epiclitum. The Americas had the highest pooled prevalence of experimental amphistome infection among freshwater snails (66%; 95% CI: 26–96%). The highest pooled infection rate of 65% (95% CI: 12–100%) was recorded for Paramphistomum cervi in experimental infections. Galba truncatula was the only snail that qualified for meta-analysis for natural infection with Calicophoron daubneyi, with a pooled prevalence of 3% (95% CI: 1–8%). Galba truncatula infected with C. daubneyi and P. cervi, and Bulinus tropicus infected with Calicophoron microbothrium in the experimental infection qualified for the meta-analysis, with an overall infection rate of 66% (95% CI: 34–92%) and 30% (95% CI: 0–74%), respectively. The pooled prevalence of amphistome species infection in the intermediate host (IH) snails based on detection techniques was higher with PCR compared to the dissection and shedding of cercariae. The results from the quality effects model revealed a high heterogeneity and publication bias between studies. This meta-analysis provided valuable insights into the prevalence and infection rates of amphistome species in snail IHs across different geographical regions.

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Prevalence and geographical distribution of amphistomes of African wild ruminants: A scoping review

Cited by 4 publications

References 86 publications

Amphistome Infection and Species Diversity of Freshwater Snails Collected from Selected Wildlife Drinking Water Sources in Matebeleland Region of Zimbabwe

Amphistome Infection and Species Diversity of Freshwater Snails Collected from Selected Wildlife Drinking Water Sources in Matebeleland Region of Zimbabwe

Table_1.docx

The prevalence and infection rates of amphistome species in intermediate snail hosts: a systematic review and meta-analysis

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