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66 results for “gastrointestinal parasite”
Figure 3 in Survey of gastrointestinal coccidian parasites of pet birds in Tehran
Figure 3. (a) Eimeria oocysts in canary faeces. White arrow: polar granule; black arrow: bilayer cell wall (40×). (b) Eimeria oocysts in common canary faeces; tear-shaped sporocyst. Black arrow: stieda-body; black arrowhead: polar granule; * sporocyst remnant (100×).
Figure 2 in Survey of gastrointestinal coccidian parasites of pet birds in Tehran
Figure 2. Isosporous oocysts isolated from common mynah (Acridotheres tristis) faeces, almost spherical oocysts. Black triangle: polar granule; white triangle: stieda body; thin arrow: sporocyst remnant (40×).
Figure 1 in Survey of gastrointestinal coccidian parasites of pet birds in Tehran
Figure 1. Frequency of different bird orders investigated for the presence of digestive coccidian parasites.
Fine-scale variation within urban landscapes affects marking patterns and gastrointestinal parasite diversity in red foxes
<ol> <li>Urban areas are often considered to be a hostile environment for wildlife as they are highly fragmented and frequently disturbed. However, these same habitats can contain abundant resources, while lacking many common competitors and predators. The urban environment can have a direct impact on the species living there but can also have indirect effects on their parasites and pathogens. To date, relatively few studies have measured how fine-scale spatial heterogeneity within urban landscapes can affect parasite transmission and persistence.</li> <li>Here we surveyed 237 greenspaces across the urban environment of Edinburgh (UK) to investigate how fine-scale variation in socio-economic and ecological variables can affect red fox (<i>Vulpes vulpes</i>) marking behaviour, gastrointestinal (GI) parasite prevalence and parasite community diversity,</li> <li>We found that the presence and abundance of red fox faecal markings was non-uniformly distributed across greenspaces, and instead was dependent on the ecological characteristics of a site. Specifically, common foraging areas were left largely unmarked, which indicates that suitable resting and denning sites may be limiting factor in urban environments. In addition, the amount of greenspace around each site was positively correlated with overall GI parasite prevalence, species richness and diversity, highlighting the importance of greenspace (a commonly used measure of landscape connectivity) in determining the composition of the parasite community in urban areas.</li> <li>Our results suggest that fine scale variation within urban environments can be important for understanding the ecology of infectious diseases in urban wildlife and could have wider implication for the management of urban carnivores.</li> </ol>
Figure A1 in Gastrointestinal parasites in phyllostomid bats from the Colombian Amazon
Figure A1. Life-cycle stages of parasites. Oocysts of coccidian parasite observed in bat faeces. (A, C) unsporulated oocyst. (B, D) Oocyst with sporozoites, infective phase. (E) Ancylostomatidae egg observed in C. perspicillata. (F) Trichostrongylidae egg found in G. crenulatum.
Figure 3 in Gastrointestinal parasites in phyllostomid bats from the Colombian Amazon
Figure 3. Gastrointestinal parasites found in bats from the Amazon rainforest of Colombia (Caquetá). (A) Unporulated oocysts of coccidian parasites observed in bat faeces. (B) Oocyst with sporozoites, infective phase. (C) Morulating eggs of Trichostrongylidae (Strongylida) found in the faeces of Gardnerycteris crenulatum. (D) Morulating eggs of Anquilostomidae (Strongylida) Carollia brevicauda. Total magnification: 400×.
Figure 2 in Gastrointestinal parasites in phyllostomid bats from the Colombian Amazon
Figure 2. Bat species that contained gastrointestinal parasites in this study: (A) Carollia perspicillata; (B) Carollia brevicauda; (C) Artibeus lituratus; (D) Artibeus planirostris; (E) Gardnerycteris crenulatum.
Figure 4 in Gastrointestinal parasites in phyllostomid bats from the Colombian Amazon
Figure 4. Prevalence and parasite burden of phyllostomid bats from the department of Caquetá, Colombia. (A) Percentage of gastrointestinal-parasite-positive samples in each site. (B) Parasite burden of coccidian oocysts based on McMaster technique in each site. Bats followed by A and T in parentheses represent infection of anquilostomid and trichostrongylid nematodes (Strongylida), respectively. The prevalences were calculated based on the total faecal samples of each site (positive faecal samples × 100/total faecal samples studied in the site). Abbreviations for study sites are as follows: Aguazul, AGZ (0–10 years); Aletones, ALT (0–10 years); Bajo Caldas, BCA (11–20 years); Bella Vista, BVS (>40 years); Lagunilla, LAG (11–20 years); Triunfo, TFO (>40 years).
Figure 1 in Gastrointestinal parasites in phyllostomid bats from the Colombian Amazon
Figure 1. Sampling sites in the Department of Caquetá of the Colombian Amazon. Abbreviations for study sites are as follows: AGZ, Aguazul; ALT, Aletones; BCA, Bajo Caldas; BVS, Bella Vista; LAG, Lagunilla; TFO, Triunfo. Successional stage is represented by colours (0–10 years in orange, 11– 20 years in yellow, and>40 years in green).
Presence of gastrointestinal parasite species of baboons reported in literature
<p>A spreadsheet of the presence (or absence) of parasite species at all study sites that have published data on baboon (<em>Papio</em>) spp. parasite communities. The first tab '2023_Helminths_PrevData' are a list of the macroparasites that have been reported. The second tab '2023_Protozoa_PrevData' are a list of the macroparasites that have been reported. For both these sheets, '1' indicates that a parasite is present, and '0' indicates that a parasite species was not recorded at that study site.</p> <p>The data provided here are collated from all published journal articles and degree theses on baboon parasites up the start of 2023. A list of the publications that contributed are provided in the reference information. </p>
Parasitic Infections of the Gastrointestinal Tract
ClinicalTrials.gov study NCT00001162. IPD Sharing: Not stated. Countries: 1. Publications: 3.
Data from: Social behaviours and networks of vervet monkeys are influenced by gastrointestinal parasites
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Fine-scale variation within urban landscapes affects marking patterns and gastrointestinal parasite diversity in red foxes
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Data from: Dung beetles reduce livestock gastrointestinal parasite availability on pasture
Anthelmintics are widely used to control gastrointestinal parasites of livestock. However, the residues of these compounds, particularly the macrocyclic lactones, are excreted largely unmetabolised in faeces, where they may have toxic effects on dung-colonising insects. Impoverishment of the coprophagous beetle community impairs the process of dung recycling and, as a result, may enhance the persistence of dung-dwelling helminth parasitic stages. To test this possibility, a large-scale field trial was conducted in south-west England. The availability of infective parasite helminth larvae (L3) was investigated on the herbage around 240 artificial 1 kg dung pats that had been constructed from the faeces of beef cattle with naturally acquired strongyle infections. Herbage up to 15 cm surrounding each pat was sampled at 2, 4, 6, 8 and 10 weeks after deposition. Pats were subject to enhanced, natural or no dung beetle colonisation and uncontrolled or enhanced rainfall. Under uncontrolled rainfall conditions, 2 weeks after pat deposition, significantly more L3 were recovered from around pats that were exposed to beetle colonisation than from pats that were not colonised. However, by week 8, significantly fewer L3 were recovered from around pats that were exposed to beetle colonisation compared to uncolonised pats. Under conditions of enhanced rainfall, pats yielded significantly more L3 than under uncontrolled rainfall conditions, and there were no differences in recovery from herbage around pats with enhanced, natural, or no beetle colonisation. The data suggest that over the duration of a summer grazing season, temperate habitat dung colonizing insect communities, which include mainly small endocoprid dung beetles of the genus Aphodius, can reduce the development and survival of livestock gastrointestinal parasites on pastures, but that this can be overridden by the effect of high rainfall. Synthesis and applications. The work demonstrates that conservation of dung beetle populations in temperate climates is important in livestock management, not only for their essential role in dung degradation and nutrient cycling, but because their activity can also reduce the survival and availability of gastrointestinal parasites on pastures.
Fig. 2 in Gastrointestinal Parasite Community In A New Population Of The Przewalski'S Horse (Equus Ferus Przewalskii) In The Orenburg State Reserve, Russia
Fig. 2. Nematodes from the family Strongylidae found in Przewalski's horses in Pre-Urals Steppe, the Orenburg State Reserve. A b b r e v i a t i o n s: TSE — Triodontophorus serratus, SVU— Strongylus vulgaris, CAT — Cyathostomum catinatum, PAT — Cya. pateratum, LON — Cylicostephanus longibursatus, MIN — Cyl. minutus, CAL — Cyl. calicatus, GOL — Cyl. goldi, NAS — Cylicocyclus nassatus, LEP — Cy. leptostomus, INS — Cy. insigne, ASH — Cy. ashworthi, ELO — Cy. elongatus, COR — Coronocyclus coronatus, LBR — Cor. labratus, LAB — Cor. labiatus, BIC — Cylicodontophorus bicoronatus, POC — Petrovinema poculatum.
Fig. 1 in Gastrointestinal Parasite Community In A New Population Of The Przewalski'S Horse (Equus Ferus Przewalskii) In The Orenburg State Reserve, Russia
Fig. 1. Dynamics of the average strongyle egg count in the Przewalski's horses in Pre-Urals Steppe, the Orenburg State Reserve, Russia, before and following treatment.
Figure 1 in Gastrointestinal parasites in captive and free-living wild birds in Goiania Zoo
Figure 1. Helminth eggs found in the feces of captive and free-living birds at Goiania Zoo. (a) unidentified nematode in a fecal sample from Amazona amazonica, Bar = 20μm; (b) Ascarididae family egg found in Pavo cristatus nigripennis fecal samples, Bar = 20μm; (c) Capillaria sp. egg identified in Ara chloropterus fecal sample, Bar = 20μm; (d) Capillaria venusta eggs identified in Ramphastos tucanus fecal sample, Bar = 20μm; (e) Capillaria spp. egg identified in Penelope jacucaca fecal sample, Bar = 20μm; Eustrongylides spp. (f) and Diphyllobothrium spp. (g) eggs found in Ardea alba fecal sample, Bar = 20μm; Ascaridia spp. eggs found in Brotogeris chiriri (h), Bar = 20μm, Rhea americana (i) and Dromaius novaehollandiae (j) fecal samples, Bar = 20μm; (k) Diphyllobothrium sp. egg found in Nycticorax nycticorax; Capillaria plagiaticia egg (l) and Eimeria sp. oocyst (m) found in Anodorhynchus hyacinthinus fecal sample, Bar = 10 μm; and (n) Capillaria plagiaticia egg found in Ara sp. fecal sample, Bar = 20μm.
Fig. 3 in Are gastrointestinal parasites associated with the cyclic population dynamics of their arctic lemming hosts?
Fig. 3. Eimerian faecal prevalence in adult collared lemming droppings according the phase of the lemming cycle, in three sites in Northeast Greenland (HOC: Hochstetter Forland, ZAC: Zackenberg, KVP: Karupelv Valley). Numbers above bars give the sample size and error bars show standard errors (estimated as in Fig. 2). Significance tested from odds ratios (see §3.3 in Results).
Fig. 1 in Are gastrointestinal parasites associated with the cyclic population dynamics of their arctic lemming hosts?
Fig. 1. Collared lemming densities (individuals per ha) at the three sites in Northeast Greenland (HOC: Hochstetter Forland, ZAC: Zackenberg, KVP: Karupelv Valley) during 2010–2014.
Fig. 2 in Are gastrointestinal parasites associated with the cyclic population dynamics of their arctic lemming hosts?
Fig. 2. Eimerian faecal prevalence in adult collared lemming droppings from three sites in Northeast Greenland (HOC: Hochstetter Forland, ZAC: Zackenberg, KVP: Karupelv Valley), during 2010–2014. Numbers above bars give the sampling size and error bars show standard errors (estimated as SE = sqrt [p·(1-p)/n]; with p being the prevalence).
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.