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Fig. 3 in Exploiting parallels between livestock and wildlife: Predicting the impact of climate change on gastrointestinal nematodes in ruminants
Fig. 3. In marginal grazing systems in Europe sheep often occupy separate summer and winter grazing areas, analogous to the summer and winter ranges of migratory ruminants. In the uplands of Wales, UK, (shown here) sheep are often grazed on extensive areas of land at low stocking densities over the summer period, and sent to lowland dairy farms for winter grazing at higher stocking densities. (Photo: Rose, H.).
Fig. 2 in Exploiting parallels between livestock and wildlife: Predicting the impact of climate change on gastrointestinal nematodes in ruminants
Fig. 2. The relative seasonal incidence of ovine parasitic gastroenteritis (PGE) in the Southwest of England, UK, based on monthly diagnoses of (a) Nematodosis (NOS = species not otherwise specified), (b) Haemonchosis and (c) Nematodirosis (van Dijk et al., 2008).
Fig. 1 in Exploiting parallels between livestock and wildlife: Predicting the impact of climate change on gastrointestinal nematodes in ruminants
Fig. 1. Comparison of the instantaneous daily development rate of Ostertagia ostertagi (grey) and O. gruehneri (black) at a range of constant temperatures. Instantaneous daily development rates were estimated from the time to 50% development of L3, derived from data published in the literature (O. ostertagi: Rose, 1961; Pandey, 1972; Young et al., 1980) and original data (O. gruehneri: Hoar, 2012) as described by Azam et al. (2012).
Fig. 6 in Morphological and molecular identification of cyathostomine gastrointestinal nematodes of Murshidia and Quilonia species from Asian elephants in Myanmar
Fig. 6. Molecular phylogenetic analysis of COI gene sequences of cyathostomine species using the maximum likelihood method in MEGA7. The percentage of trees in which associated taxa clustered together is shown next to the branches. The tree is drawn to scale, with branch lengths measured in the number of substitutions per site. GenBank accession numbers are indicated alongside taxa name.
Fig. 5 in Morphological and molecular identification of cyathostomine gastrointestinal nematodes of Murshidia and Quilonia species from Asian elephants in Myanmar
Fig. 5. Photomicrographs of Quilonia travancra. A, anterior end of a male, showing head papillae (arrows) and mouth collars (*); B, head of a male, showing crown leaflets (arrow); C, bursa of a male, lateral view, showing two branches (arrows) and three sub-branches of the posterior branch at approximately the same length (*); D, posterior branch of dorsal ray of bursa of a male, showing an appearance of trifurcation although the median and internal sub-branches are fused (*).
Fig. 2 in Morphological and molecular identification of cyathostomine gastrointestinal nematodes of Murshidia and Quilonia species from Asian elephants in Myanmar
Fig. 2. Photomicrographs of Murshidia indica. A, anterior end of a male, showing the appearance of plumose sculpturing on anterior portion of oesophagus (arrows); B, head of a male, showing coronal leaflets (*); C, copulatory bursa and spicules (arrow) of a male; D, dorsal ray of bursa of a male, showing two branches (arrows), in which the posterior branch has a pointed extremity (*).
Fig. 4 in Morphological and molecular identification of cyathostomine gastrointestinal nematodes of Murshidia and Quilonia species from Asian elephants in Myanmar
Fig. 4. Photomicrographs of Quilonia renniei. A, anterior end of a female, showing cylindrical shape of oesophagus (arrow); B, head of a female, showing a small buccal capsule (arrow) and curved coronal leaflets project above head (*); C, posterior end of a female; D, dorsal ray of bursa of a male, showing two branches (arrows), in which the posterior branch divided two sub-branches and the inner sub-branch is slightly bifid at the extremity (*).
Fig. 3 in Morphological and molecular identification of cyathostomine gastrointestinal nematodes of Murshidia and Quilonia species from Asian elephants in Myanmar
Fig. 3. Photomicrographs of Murshidia neveulemairei. A, anterior end of a female, showing the appearance of plumose sculpturing on anterior portion of oesophagus (arrows); B, posterior extremity of a female, showing anus (arrow) and vulva (*); C, dorsal ray of bursa of a male, showing two branches (arrows), in which the anterior branch is bifurcated in the distal half (*).
Fig. 1 in Morphological and molecular identification of cyathostomine gastrointestinal nematodes of Murshidia and Quilonia species from Asian elephants in Myanmar
Fig. 1. Photomicrographs of Murshidia falcifera. A, anterior end of a female, showing the appearance of two lateral lips of mouth collar with prominent head papillae (arrows) and coronal leaflets (*); B, head of a male, showing cuticular lining of buccal capsule (arrows) and funnel-shaped throat (*); C, dorsal ray of bursa of a male, showing three branches, in which anterior branch is composed of two sub-branches (arrows) and the posterior one is longer (*); D, posterior end of a female, showing anus (arrow).
Fig. 1 in Rodent population cycle as a determinant of gastrointestinal nematode abundance in a low-arctic population of the red fox
Fig. 1. Map showing the sampling sites on Varanger peninsula in northern Norway. Red triangles denote the sites where the 612 red foxes included in the analyses were. sampled. White squares denote sites where rodents were trapped for the purpose of monitoring their population dynamics. Dark areas are sub-arctic birch forest, while areas with different shading of grey show tundra at different altitudes. The meteorological station from which the climate data were derived, is denoted with a blue star. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Fig. 2 in Rodent population cycle as a determinant of gastrointestinal nematode abundance in a low-arctic population of the red fox
Fig. 2. Time series of annual climate variables, rodent density and egg counts of gastrointestinal parasites (i.e. number of eggs recorded) in red foxes faeces in Varanger Peninsula. A) The mean summer temperature (̊C) for July, August and September from the weather station in Vardø (see Fig. 1). Horizontal broken lines show the 1960–1990 normal for temperature. B) Rodent density indexed as number of individuals caught per 100 trap nights in early September based on the trapping sites shown in Fig. 1 and number of foxes culled each winter season and local hunter (grey). Note that 2005 represents the foxes culled winter 2005–2006. C) Abundance (mean number of eggs per gram with standard error) of the three parasite species in the annual fox samples. Note the left (red) y-axis represents T. leonina while the right (black) y-axis represents T. canis and U. stenocephala. D) Prevalence (proportion of foxes with parasites, with standard error) of the three parasite species in the annual fox samples. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Fig. 3 in The gastrointestinal nematodes of plains and Grevy's zebras: Phylogenetic relationships and host specificity
Fig. 3. Crossocephalus viviparus extracted from fresh zebra faeces were often infected with an apparent fungus. Hyphae emerging from the head (left, right) and from the tail (centre) of infected worms and stained with lactophenol blue (right). (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Fig. 2 in The gastrointestinal nematodes of plains and Grevy's zebras: Phylogenetic relationships and host specificity
Fig. 2. Nematode prevalence in plains vs. Grevy's zebras in (a) a bipartite graph, where edge widths indicate prevalence in each zebra species, and (b) a linear regression, shown in black with shading representing standard error and the one-to-one line indicated by the dashed red line. Only sequences comprising>1% of total reads were used and they were clustered into mOTUs by 98% similarity. Taxon labels followed by a letter signify species-level matches (>98% similarity) to reference worms identified only to genus (see SI2), while those followed by a number represent sequences that matched a reference only to the genus level (>95% similarity). Black boxes/points are taxa without a match of>95% to any identified sequences. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Fig. 1 in The gastrointestinal nematodes of plains and Grevy's zebras: Phylogenetic relationships and host specificity
Fig. 1. Phylogeny of all sequenced Strongylidae with species-level taxon assignments from GenBank and the present study, coloured by genus (the same colour code is used across all figures in this paper). Branch tips were pruned such that only one tip was kept of all immediate sister taxa with identical taxon assignments, and the number of samples merged in each tip is indicated in parentheses. Bootstrap percentages over 50% are displayed in bold to highlight nodes with high support. Branch lengths represent the number of base substitutions per site, estimated with the Tamura 3-parameter model assuming gamma-distributed substitution rate variation.
Fig. 2 in Endoparasite loads and the efficacy of conventional anthelmintics against gastrointestinal nematodes in captive European bison
Fig. 2. Mean (±SE) number of Eimeria species in European bison without ungulate neighbors (N0) and kept near other ungulates (YES) for seasons, calculated in a generalized linear model. Differences were statistically significant in the pairwise comparison for autumn and winter (p values shown above the bars).
Fig. 1 in Endoparasite loads and the efficacy of conventional anthelmintics against gastrointestinal nematodes in captive European bison
Fig. 1. Location of coproscopically examined European bison enclosures and other ungulate species in the vicinity of these enclosures in Poland.
Experimental parasite community perturbation reveals associations between Sin Nombre virus and gastrointestinal nematodes in a rodent reservoir host
<p>Individuals are often co-infected with several parasite species, yet measuring within-host interactions remains difficult in the wild. Consequently, the impact of such interactions on host fitness and epidemiology are often unknown. We used anthelmintic drugs to experimentally reduce nematode infection and measured the effects on both nematodes and the important zoonosis Sin Nombre virus (SNV) in its primary reservoir (<i>Peromyscus spp.</i>). Treatment significantly reduced nematode infection, but increased SNV seroprevalence. Furthermore, mice that were co-infected with both nematodes and SNV were in better condition and survived up to four times longer than uninfected or singly-infected mice. These results highlight the importance of investigating multiple parasites for understanding interindividual variation and epidemiological dynamics in reservoir populations with zoonotic transmission potential.</p>
Experimental parasite community perturbation reveals associations between Sin Nombre virus and gastrointestinal nematodes in a rodent reservoir host
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FIGURE 1 in Gastrointestinal nematodes of freshwater fish from Pilcomayo River, Argentina including description of a new species of Procamallanus (Spirocamallanus)
FIGURE 1. Procamallanus (Spirocamallanus) tomsici sp. nov. a: Male, anterior end, lateral view. b: Female, anterior end, lateral view. c: Female, apical view. d: Male, head, lateral view. e: Female, head, lateral view. f: Female, vulva, lateral view. g: Larva. h: Female, tail, lateral view. i: Male, posterior end with spicules, lateral view. j: Male, posterior end with spicules and papillae, ventral view.
FIGURE 10 in Gastrointestinal nematodes of Paramelomys levipes and P. mollis (Rodentia Muridae) from Papua, Indonesia and Papua New Guinea with the descriptions of three new genera and nine new species (Nematoda)
FIGURE 10. Nippostrongylinae. Parasabanema sp., A. Male, anterior end lateral view; B. Female, posterior end lateral view; C. Male, posterior end lateral view; Nippostrongylinae sp., D. Male, anterior end lateral view; E. Female, posterior end lateral view. Scale bars in µm: A–D, 50.
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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.
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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
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