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379 results for “helminth”
Fig. 2 in Helminths Of Antarctic Rockcod Notothenia Coriiceps (Perciformes, Nototheniidae) From The Akademik Vernadsky Station Area (Argentine Islands, West Antarctica): New Data On The Parasite Community
Fig. 2. Average number of cysts of Corynosoma spp. in the body cavity of Notothenia coriiceps of five size groups.
Fig. 1 in Helminths Of Antarctic Rockcod Notothenia Coriiceps (Perciformes, Nototheniidae) From The Akademik Vernadsky Station Area (Argentine Islands, West Antarctica): New Data On The Parasite Community
Fig. 1. Prevalence (in %) and mean intensity of helminth species found in Notothenia coriiceps in the waters surrounding the Ukrainian Antarctic station "Akademik Vernadsky" in 2014–2015.
Fig. 1 in Helminths Of Exotic Even-Toed Ungulates (Artiodactyla) In The Askania-Nova Biosphere Reserve, Ukraine
Fig. 1. Number of helminth species found in various species of ungulates in the Askania-Nova Biosphere Reserve, Ukraine.
Fig. 4 in Helminths Of Exotic Even-Toed Ungulates (Artiodactyla) In The Askania-Nova Biosphere Reserve, Ukraine
Fig. 4. Bray-Curtis cluster analysis of the species diversity in 23 species of ungulates from the Askania Nova Reserve, Ukraine.
Fig. 5 in Helminths Of The Mallard, Anas Platyrhynchos (Aves, Anatidae) In Ukraine: Analysis Of The Diversity In Mixed Forest Zone And The Black Sea Region
Fig. 5. Configuration of 2-dimensional MDS for specimens of Mallard from the mixed forest zone (P) and from the steppe zone (B) with overlapping clusters at similarity level of 15 %.
Fig. 3 in Helminths Of The Mallard, Anas Platyrhynchos (Aves, Anatidae) In Ukraine: Analysis Of The Diversity In Mixed Forest Zone And The Black Sea Region
Fig. 3. Prevalence (with lower and upper confidence intervals at significant level 95 %) and mean intensity (with range; in case when only one or two birds were infected by a certain type of helminth, then the actual intensity values are given) of Mallard´s infection with: A — trematodes from the mixed forest zone; B — trematodes from the steppe zone. * Logarithmic scale was used
Fig. 1 in Helminths Of Wild Predatory Mammals Of Ukraine. Nematodes
Fig. 1. Structure of nematode communities in carnivorans of the family Canidae in Ukraine (based on original data). A — red fox; B — wolf; C — raccoon dog. Toxe — Toxascaris leonina; Unst — Uncinaria stenocerhala; Toca — Toxocara canis; Pepl — Pearsonema plica; Euae — Eucoleus aeropilus; Paff — Pterygodermatites affinis; Trvu — Trichuris vulpis; Mopa — Molineus patens; Crvu — Crenosoma vulpis; Casp — Capillaria sp.; Ster — Strongyliodes erschowi; Spar — Spirocerca artica; Splu — S. lupi; Trsp — Trichinella cf. spiralis; Aopu — Aonchotheca putorii; Syag — Sy. agraria; Heum — Heligmosomum sp.; Anca — Ancylostoma caninum.
Fig. 2 in Helminths Of Wild Predatory Mammals (Mammalia, Carnivora) Of Ukraine. Trematodes
Fig. 2. Structure of the trematode fauna of the racoon dog in Ukraine (original data): ALT — A. alata; MSK — M. skworzowi; EPE — E. perfoliatus; IME — I. melis; ADO — A. donicum.
Fig. 1 in Helminths Of Wild Predatory Mammals (Mammalia, Carnivora) Of Ukraine. Trematodes
Fig. 1. Structure of the trematode fauna of the red fox in Ukraine (original data): ALT — A. alata; EPE — E. perfoliatus; ADO — A. donicum; SDE — S. denticulata; MAP — M. appendiculatus; PCO — Ph. cordatum; MSK — M. skworzowi; IME — I. melis.
Data from: Adaptive division of growth and development between hosts in helminths with two-host life cycles
<p>Parasitic worms (helminths) with complex life cycles divide growth and development between successive hosts. Using data from 597 species of acanthocephalans, cestodes, and nematodes with two-host life cycles, we found that helminths with larger intermediate hosts were more likely to infect larger, endothermic definitive hosts, although some evolutionarily shifts in definitive host mass occurred without changes in intermediate host mass. Life-history theory predicts parasites to shift growth to hosts in which they can grow rapidly and/or safely. Accordingly, helminth species grew relatively less as larvae and more as adults if they infected smaller intermediate hosts and/or larger, endothermic definitive hosts. Growing larger than expected in one host, relative to host mass/endothermy, was not associated with growing less in the other host, implying a lack of cross-host tradeoffs. Rather, some helminth orders had both large larvae and large adults. Within these taxa, though, size at maturity in the definitive host was unaffected by changes to larval growth, as predicted by optimality models. Parasite life-history strategies were mostly (though not entirely) consistent with theoretical expectations, suggesting that helminths adaptively divide growth and development between the multiple hosts in their complex life cycles.</p>
Fig. 1. Study area. C1-5 in Helminth communities from amphibians inhabiting agroecosystems in the Pampean Region (Argentina)
Fig. 1. Study area. C1-5: crop sites, L1- 4: livestock sites (C1: 34°55'13''S; 58°06'33''O; C2: 34°55'54''S; 58°04'29''O; C3: 34°57'36''S; 58°04'57''O; C4: 35°01'42''S; 57°59'44''O; C5: 35°03'06''S; 57°58'35''O; L1: 35°04'27''S; 57°57'23''O; L2: 35°07'46''S; 57°53'11''O; L3: 35°02'22,94''S; 57°48'58,8''O; L4: 35°02'23,2''S; 57°48'58,2''O).
Fig. 2 in Helminth Diversity In Teleost Fishes From The South Orkney Islands Region, West Antarctica
Fig. 2. Proportion (%) of helminth species parasitizing three teleost fishes from the South Orkney Islands area, West Antarctica on larval and adult stages.
Fig. 1 in Helminth Diversity In Teleost Fishes From The South Orkney Islands Region, West Antarctica
Fig. 1. Proportion (%) of four parasite taxa in three fish species from the South Orkney Islands area, West Antarctica.
Figure 2. Dendrogram resulting from a in Host specificity and the structure of helminth parasite communities of fishes in a Neotropical river in Mexico
Figure 2. Dendrogram resulting from a similarity matrix based on the Sørensen measure for component communities of adult autogenic helminth parasites of 10 fish species from Apazapan, Río La Antigua, Veracruz, Mexico. Host species are: Amex, A. mexicanus; Rgua, R. guatemalensis; Smar, S. marmoratus; Hbim, P. bimaculata; Pmex, Poecilia mexicana; Pgra, Poeciliosis gracilis; Psph, Poecilia sphenops; Xell, X. helleri; Tell, T. ellioti; Vfen, V. fenestrata.
Figure 1 in Host specificity and the structure of helminth parasite communities of fishes in a Neotropical river in Mexico
Figure 1. Patterns of relative abundance of 24 species of helminths in 11 component communities of freshwater fishes from Río Apazapan, Río La Antigua basin, Mexico (fish species: Am, A. mexicanus; Rg, Rhamdia guatemalensis; Hb, Pseudoxiphophorus bimaculata; Pm, Poecilia mexicana; Ps, P. sphenops; Pg, Poeciliopsis gracilis; Xh, Xiphophorus helleri; Te, Thorichthys helleri; Vf, Vieja fenestrata; Sm, Sicydium gymnogaster).
Fig. 3 in A standardised faecal collection protocol for intestinal helminth egg counts in Asian elephants, Elephas maximus
Fig. 3. Pairwise comparisons of faecal egg counts (in EPG) for samples taken from different faecal boluses produced in one defecation event of (a) first and middle boluses, (b) first and last boluses, (c) middle and last boluses, all with 95% confidence intervals. For each of (a‾c) 40 samples collected from 20 elephants. Data collected for one elephant not shown, with one extreme data point removed in each of a‾c, to allow for better presentation of plots.
Fig. 2 in A standardised faecal collection protocol for intestinal helminth egg counts in Asian elephants, Elephas maximus
Fig. 2. Regression of the faecal egg counts (in EPG) for samples taken of the centre and edge of a single faecal bolus with 95% confidence intervals, 474 samples collected from 119 elephants.
Fig. 1 in A standardised faecal collection protocol for intestinal helminth egg counts in Asian elephants, Elephas maximus
Fig. 1. Averaged helminth egg counts for every elephant host sampled for each experiment; investigating egg distribution within (a) an individual bolus (centre and edge samples), 474 samples from 119 elephants and (b) multiple boluses (centre and edge samples from different boluses), 120 samples from 20 elephants, (c) when determining optimal sampling time, 94 samples from 47 elephants, and (d) if storage methods had any impact on egg recovery during faecal egg counts (FEC), 132 samples from 33 elephants. Helminth eggs were always aggregated within host elephants, with few hosts having substantial parasite burdens (in excess of 200 EPG) and the majority having none or insubstantial levels of infection.
Fig. 4 in A standardised faecal collection protocol for intestinal helminth egg counts in Asian elephants, Elephas maximus
Fig. 4. Faecal egg counts (in EPG) were significantly decreased in samples which had been stored in 10% formalin or 10% formol saline in comparison to subsamples collected at the same time but analysed as fresh, without storage in fixative solution. This figure is based on 132 samples collected from 33 elephants, with data lying between the first and third quartiles as represented by the top and bottom horizontal lines of the boxplot. The data range is shown by the vertical black lines, with the median of each dataset represented by the middle horizontal line within each boxplot and with any outliers shown as points.
Fig. 2 in Environmental conditions predict helminth prevalence in red foxes in Western Australia
Fig. 2. Prevalence of Uncinaria stenocephala and Dipylidium caninum from red foxes at each sampling location.
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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)
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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.