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Polycyclic aromatic hydrocarbons (PAHS) accumulation and histopathological biomarkers in gills and mantle of Lanistes carinatus (Molluscs, Ampullariidae) to assess crude oil toxicity

Gamalat Osman1, Mansour Galal1, Abbas Abul-Ezz2, Ahmad Mohammed1, Mohammed Abul-Ela3 and Asmaa Mostafa Hegazy2

...justify;">The freshwater snail Lanistes carinatus was tested as bioindicator to assess water quality and identify exposure to oil contaminants. L. carinatus was chronically exposed to crude oil at intervals of 24 hours, 15 days and 30 days. The LC50 of crude oil for L. carinatus was 700 ppm. HPLC analysis of 16 polycyclic aromatic hydrocarbons (PAHs) in the flesh demonstrated that PAHs accumulation in the treated snails was ...

Terrestrial Snail Fauna and Associated Helminth Parasites in a Tropical Semi-Urban Zone, Enugu State, Nigeria

Grace Chinenye Onyishi, Ifeanyi Oscar Aguzie, Joseph O. Okoro, Christopher Didigwu Nwani*, Ngozi Ezenwaji, Ndubisi Stanley Oluah and Fabian C. Okafor

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The productivity of snails consumed in Nigeria is affected by parasites they harbour. Some of these parasites endanger humans as well. This study was conducted to determine the terrestrial snail species and associated helminth parasites in Ugwueme agricultural zone of Enugu State, Nigeria. The snails were collected from two communities. Light and teasing methods were used for recovery...

Molecular Identification of Two Larval Trematodes in Melanopsis praemorsa (L., 1758) Intermediate Host from the West Bank-Palestine

Ghaleb Adwan*, Sami Bdir and Kamel Adwan

...>Melanopsis praemorsasnails are considered one of the intermediate hosts for digenetic trematode cercariae. Digenean larvae were obtained from M. praemorsa snails that were collected from Palestine. Cercaria melanopsi palestinia I and III were identified as a xiphidiocercaria belonging to the microcotylae sub-group and as a microcercous cercaria, respectively. Phylogenetic analyses based on sequences of the...

Morpho-Ecological Study of Freshwater Mollusks of Margalla Foothills, Pakistan

Muhammad Asif Gondal, Qazal Waheed, Sana Tariq, Waseem Haider, Aisha Khan, Qudsia Rasib and Haroon Ahmed*

... a long time, freshwater snails have attracted the attention of biologists. The ecological attributes like diversity, species richness and equitability of freshwater gastropods are important due to various reasons like intermediate hosts for many trematodes and bio-indicator. Snails are cosmopolitan in distribution and diversity of habitat to perform ecological performance is abosolute. The freshwater malacological informati...

Occurrence of Larval Dicrocoelium dendriticum and Brachylaima sp. in Gastropod Intermediate Hosts from Fergana Valley, Uzbekistan

Abdurakhim Kuchboev¹, Mehmonjon Egamberdiev², Rokhatoy Karimova¹, Oybek Amirov¹ and Mitsuhiko Asakawa^3,*

...tal number of larvae per snail varied from 8 to 110 individuals. Alignment of the first four sequences of 28S rDNA was revealed a 99-100% similarity to D. dendriticum. Larvae from P. sogdiana snails were 98% similar to Brachylaima sp. In this study, it was confirmed that 2 species of terrestrial snail, X. candacharica and A. gereliana, act as the first in...

Molluscicidal Activity and Biochemical Interactions of Copper Sulfate against Theba pisana (Müller)

Emtiaz Ibrahim Ghoniem, Gaber Mamdouh Abdelgalil, Amira Farouk Gad* and El-Sayed Hassan Eshra

...tract | The white garden snail, Theba pisana is one of the widely distributed gastropods and is a dangerous agricultural pest for many plants. Copper sulfate (CuSO4) is extensively used for controlling a number of molluscs in many areas. In this study, CuSO4 toxicity indices against T. pisana after 24, 48 and 72 h using the topical application technique were estimated. Additionally, in vivo evaluation of acetylcholinesterase (AChE), alkaline phosphatase (ALP),...

Morphological and Molecular Identification of Land Molluscs as Intermediate Hosts of Lungworms

Abdurakhim E. Kuchboev1*, Mehmonjon Kh. Egamberdiyev2

...ection rate of Pulmonata snails by protostrongilids larvae was 28.2% and that of slugs - 6.8%. In addition, the first informs of P. maydanica, C. levanderi and D. reticulatum as natural intermediate hosts for M. capillaris are given.

Keywords | Lungworms, Protostrongylids, Land molluscs, Morphological, Molecular identification, Prevalence

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Effects of the Replacing of Fish Meal with Freshwater Snail Flesh (Pomacea paludosa) Treated with Bromelain Enzyme on Growth Performance, Relatively Organ Weight, and Digestibility of Alabio Ducks (Anas plathyrhyncos Borneo)

Siti Dharmawati1, Muhammad Halim Natsir2, Hartutik Hartutik2, Danung Nur Adli2, Osfar Sjofjan2*

...ish meal with freshwater snail flesh (Pomacea paludosa) treated with bromelin enzyme (FSFIBE) on growth performance, relatively organ weight, and digestibility of Alabio ducks (Anas plathyrhyncos borneo). A total of 210 one-day old ducks male Alabio with an average body weight of 45.26±2.59 g were placed in colony-shaped pen, and each pen contained seven ducks. The trial design used was completely randomized design with five treatments and six replicati...

Prevalence of Fascioliasis in Slaughtered Ruminants at Muyinga Slaughterhouse, Burundi

Salvator Minani^1,2*, Eric Nsengiyumva¹, Anatole Bigirimana^1,2, Arnaud Cubahiro^1,2, Dieudonné Ntakirutimana^1,2 and Vénuste Bizoza^1,2

...s well as the ecology of snails and larval fluke transmission in the definitive host should be conducted in Burundi. Effective control methods of liver flukes for intermediate and definitive hosts should be implemented to control fascioliasis in Burundi.

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Internet-Sold Snail Pomacea canaliculata and Achatina fulica Might Transmit Angiostrongylus cantonensis in Mainland China

Yu Liang Cao¹, Yue Guo^2,3*, Hui Zhang² and Chun Sheng Wang²

...ign: justify;">In China, snails Pomacea canaliculata and its new breed the gold snail, Achatina fulica and its new breeds the white jade snail, have been sold on the Internet in recent years. We concluded that 24,853 sales of P. canaliculata and A. fulica had been made through the Internet selling platform before 2019. Further surveys indicated that 51% sellers were located in endemic area...

First Record of Caenorhabditis briggsae (Nematoda: Rhabditidae) from the Giant African Land Snail, Lissachatina fulica (Gastropoda: Achatinidae) in the Southern Philippines

Michelle Anne Diano^1,2, Loel Dalan^1,2, Neil Pep Dave Sumaya³and Nanette Hope Sumaya^1,2*

...m the giant African land snail, Lissachatina fulica (Gastropoda: Achatinidae), in Bukidnon province (8.0515° N, 124.9230° E) of the southern Philippines. This species was identified by morphological characterization and analysis of the D2-D3 expansion segments of the 28S rDNA sequence. The D2-D3 rDNA sequence alignment of the four isolates, B2R1 (MT459236), B2R2 (MT459237), B2R3 (MT459238), and B3R1 (MT459239), do not exhibit any nucleotide differences...

Expression of Apoptosis Marker Genes bax and bcl-2 in WiDr Colon Cancer Cells Treated with Red Eye Sea Snail (Cerithidea obtusa) Extract

Wisnu Jaka Dewa1,2, Ekowati Handharyani3*, Sri Purwaningsih4, Silmi Mariya5

...ll WiDr treated with red snail ethanol extract 125, 62.5 and 31.25 ppm concentration. mesenggerRNA (mRNA) was isolated from WiDr cells using a commercial kit. The mRNA concentration was then measured with a UV-Vis microvolume spectrophotometer at 260/28 nm. Relative expression of bax and bcl-2 to house keeping gene GAPDH was measured on a real time PCR machine. Relative gene expression was calculated using the ΔΔCt method. The result showed that ba...