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1,533 results for “rearing”
Fig. 13 Erythraeus regalis, larva. a Gnathosoma, ventral view. b in Towards resolving the double classification in Erythraeus (Actinotrichida: Erythraeidae): matching larvae with adults using 28S sequence data and experimental rearing
Fig. 13 Erythraeus regalis, larva. a Gnathosoma, ventral view. b Palp tarsus
Metabolic response of yellow mealworm larvae to two alternative rearing substrates
<p>The quantitative one-dimensional <sup>1</sup>H NMR representative spectra of lipid and polar metabolites fractions of Tenebrio molitor larvae fed two alternative dietary substrates described in the manuscript draft entiteld:</p> <p><strong>Metabolic response of yellow mealworm larvae to two alternative rearing substrates</strong></p>
Dataset: Aflatoxin B1 Metabolism of Reared Alphitobius diaperinus in Different Life-Stages
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Dataset: Toxicity, transfer and metabolization of the pyrethroid insecticides cypermethrin and deltamethrin by reared black soldier fly larvae
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Figures 17-32 in Two new Indian gall midges of the genus Contarinia Rondani (Cecidomyiidae: Diptera) reared from Amaranthaceae & Poaceae
Figures 17-32. Contarinia dichanthiumae sp. nov. (17-24 male; 25-32 female)
Figures 1-16 in Two new Indian gall midges of the genus Contarinia Rondani (Cecidomyiidae: Diptera) reared from Amaranthaceae & Poaceae
Figures 1-16. Contarinia asperae sp. nov. (1-8 male; 9-16 female)
Figures 1–2. Rearing method. 1 in Eucnemid larvae of the Nearctic region. Part V: Fifth instar larval descriptions for eight species of Microrhagus Dejean, 1833 (Coleoptera: Eucnemidae: Melasinae: Dirhagini), with descriptions of four new species and notes on their biology
Figures 1–2. Rearing method. 1) Storage bag with rotten wood and data. 2) Examined rotten wood.
Figure 8. Pilumnus spinifer H. Milne Edwards, 1834 in The complete larval development of the crab Pilumnus spinifer (Brachyura: Xanthoidea: Pilumnidae) reared in the laboratory
Figure 8. Pilumnus spinifer H. Milne Edwards, 1834. Maxilla of the megalopa. Scale bar: 0.05 mm.
Fig. 1 in New records of leafrollers reared in Azerbaijan (Lepidoptera: Tortricidae)
Fig. 1: Distribution of leafrollers in Eastern Azerbaijan:
Data from: Hedging at the rear edge: Intraspecific trait variability drives the trajectory of marginal populations in a widespread boreal tree species
<p>Rear-edge populations at the warm margin of species distribution are small, isolated and face environmental conditions at the limit of species bioclimatic envelope. Intraspecific phenotypic variation contributing to the persistence of peripheral populations is expected to become increasingly important under future climate conditions in order to avoid local extirpation where range shifts lag behind climate change velocity.</p> <p>We investigated the putative role of intraspecific phenotypic variation for the maintenance of rear-edge populations of fire-prone jack pine (<em>Pinus banksiana</em>), an obligate pyriscent boreal species. We assessed whether variation in cone serotiny is associated with the population trajectory of marginal stands located south of the boreal biome, in the temperate forest where natural wildfires are infrequent and unpredictable. To this end, we estimated stand-scale serotiny, minimal age and tree size structure in 26 jack pine stands from the rear edge (n = 17 sites) and the core (n = 9 sites) of the species' range in eastern Canada.</p> <p>On average, rear-edge jack pine populations are less serotinous albeit more variably compared to range-core populations where serotiny is more uniformly high. Rear-edge stands are generally older and display reverse J-shape tree size structure indicative of a multi-aged demographic equilibrium, whereas range-core stands are younger and show a unimodal stand structure depicting a single aging cohort generally lacking interfire recruitment. Eco-evolutionary dynamics shifts from a dependency on wildfires in range-core populations to stands that can regenerate and persist without recurrent fires at the rear edge, where stand-scale serotiny reaches values below 85%.</p> <p>Synthesis: Unlike range-core populations, rear-edge jack pine populations can locally rely on a dual life-history strategy to ensure both steady recruitment during fire-free intervals and successful postfire regeneration. This capacity to cope with infrequent and unpredictable fire regime should increase the resilience and resistance of jack pine populations as global changes alter fire dynamics of the boreal forest. More generally, unique intraspecific phenotypic variation in rear-edge populations contributes to long-term species persistence in marginal environmental conditions that might scale up with global changes. The conservation of rear-edge populations and their genetic legacy appears crucial for the resilience of species.</p>
Figs 1, 2 in Scuttle flies (Diptera: Phoridae) reared from fungi in Benin
Figs 1, 2. Megaselia cakpoae sp. n., ♂, base of hind tibia, anterior (1) and posterior (2) faces.
Data from: Rearing in strontium-enriched water induces vaterite otoliths in the Japanese rice fish, Oryzias latipes
<p>Sagittal otoliths, typically composed of aragonite, are frequently laid down rather as vaterite during growth in hatchery-reared fish populations. Sagittal vateritisation is believed to impair individual hearing/balancing abilities, but the causal mechanism remains unclear. Here we experimentally demonstrated that rearing in Sr-rich water induces sagittal vateritisation in the HdrR-II1 inbred strain of the Japanese rice fish, <em>Oryzias latipes</em>. Both sagittae were partly vateritised in 70% of individuals subjected to the Sr<sup>2+</sup> treatment (n = 10), whereas fish reared in normal tap water showed no sagittal vateritisation (n = 8). Our result is consistent with the theoretical prediction that vaterite becomes thermodynamically more stable than aragonite as the Sr<sup>2+</sup> concentration in solution increases. A vateritic layer develops surrounding the original aragonitic sagitta in vateritised otoliths, some of which take on a comma-like shape. Electron probe microanalysis demonstrates that the vateritised phase is characterised by lower Sr<sup>2+</sup> and higher Mg<sup>2+</sup> concentrations than the aragonitic phase. It is unlikely that increased environmental Sr<sup>2+</sup> is responsible for the sagittal vateritisation in farmed fish. However, our findings likely help to establish an in vivo assay using <em>O. latipes</em> to understand the physiological process underlying the sagittal vateritisation in farmed fish.</p>
Taxing reproduction: The full transfer cost of rearing children in Europe
<p>What are the intergenerational resource transfer contributions of parents and non-parents in Europe? Using National Transfer Accounts and National Time Transfer Accounts for twelve countries around 2010, we go beyond public transfers (net taxes) to also value two statistically much less visible transfer types in the family realm: of market goods (money) and of unpaid household labour (time). Non-parents contribute almost exclusively to public transfers. But parents additionally provide still larger private transfers: mothers mainly time, fathers mainly money. Estimating transfer stocks over the working life, the average parental/non-parental contribution ratio flips from 0.73 (public transfers alone) to 2.66 (all three transfers combined). The tax rates implicitly imposed thereby on rearing children are multiples of the value-added tax rates in place on consumption goods. The magnitude of these invisible transfer asymmetries carries multiple implications for policy debates. For instance, it raises the question whether European societies unwittingly tax their own reproduction too heavily.</p>
Greater Sage-grouse brood-rearing female habitat data
<p>Habitat selection analyses conducted at an individual level may reveal patterns in selection not apparent when individuals are pooled in population-level approaches. Using GPS transmitters that gather high-resolution location data, we explored fine-scale habitat selection and space use within home ranges of female greater sage-grouse (<em>Centrocercus</em> <em>urophasianus</em>) that raised young (brood-rearing sage-grouse) in an oil and gas development area. To evaluate fine-scale habitat selection of brood-rearing sage-grouse, we used a two-stage approach. First, we developed models for each individual (i.e., individual-level modeling) and evaluated individual-level responses to modified habitats and infrastructure. Second, we averaged individual-level estimates using a bootstrap approach to make population-level inference. The average home range size during brood-rearing, from nest hatch to six weeks, in our study were 0.85 ± 0.21 km<sup>2</sup>. Individual- and population-level results indicated that brood-rearing females consistently selected for natural vegetation and avoided disturbed surfaces at a fine spatial scale. Our study area included substantial areas of recent (≤10 years) habitat reclamation which females also avoided. Visible power lines consistently led to avoidance behavior. In addition to consistent patterns of habitat selection, our individual models demonstrated variability and contrasting behaviors in how brood-rearing females responded to specific infrastructure features and anthropogenic water bodies. At the population-level, anthropogenic water bodies were avoided, but at the individual-level, the intensity of avoidance was variable among individuals. Individual variability was often explained by the age of the brood-rearing female (first year or adult). First year females were more likely than adults to use habitats close to infrastructure and consistently established home ranges in areas with more surface disturbance and infrastructure when compared to adults. Our results provide new insights into fine scale habitat-selection strategies used by female sage-grouse with broods in an area were oil and gas infrastructure is widespread and cannot be avoided.</p>
Male social environment and female masculinization level interact to explain female testosterone levels in a communally rearing rodent
<p><span>Testosterone is known to modulate several morphological and behavioral phenotypic traits in males. However, females also synthetize testosterone and other androgens which influence the development and function of female tissues. In vertebrates, mating and social interactions can in turn modulate individual female testosterone levels, generally being higher in females that compete for males and/or that monopolize reproduction. Female testosterone levels may also be higher in females with masculinized phenotypes or when females are exposed to the energetic demands of reproduction. We used data from a long-term study (2009–2019) in a natural population of the communally rearing rodent <em>Octodon degus</em> to examine the potential associations between female serum testosterone levels and season, female masculinization morphotype, and the individual composition within social groups. We quantified the size and composition of social groups, including the masculinization morphotype of adult male and female group members. We found that female testosterone levels were higher in masculinized vs. feminized females and were also higher during the offspring-rearing season than the mating season. Female testosterone levels also varied with the number and morphotype of male group members, but not with female or offspring social environments. Together, our results suggest that female testosterone levels are more sensitive to intersexual than to intrasexual interactions. Our results also reveal that female and male testosterone levels do not significantly differ between the sexes, a notable finding previously reported only in rock hyraxes. We discuss how the complex social system of degus could be driving this physiological similarity between the sexes.</span></p>
Data from: Interannual variation in foraging decisions in chick-rearing black-legged kittiwakes
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Rearing environment affects the genetic architecture and plasticity of DNA methylation in Chinook salmon
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Growth and metamorphosis data from a rearing experiment on Rana ornativentris
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Captive rearing reduces the sensitivity of Acartia tonsa copepods to predator cues
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Ecological and geographical marginality in rear edge populations of Palaearctic forest birds (data)
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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.