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75 results for “Feed preference”
Fig. 4 in Does prior feeding behavior by previous generations of the maize weevil (Coleoptera: Curculionidae) determine future descendants feeding preference and ovipositional suitability?
Fig. 4. Mean (SE) number of S. zeamais (n = 8,000) attracted to corn, barley, brown rice, and white rice, with a 200 µL Eppendorf tube containing the pheromone lure placed in white rice. Means with the same letter are not significantly different.
Fig. 2 in Halyomorpha halys (Stål) (Hemiptera: Pentatomidae) nymph survival and adult feeding preferences for crop plants in Florida
Fig. 2. Mean (± SE) number of Halyomorpha halys adults resting or feeding on various plant species in choice tests. Means with the same letter are not significantly different (Tukey-Kramer test, P ≤ 0.05, 6 replicates of 4 adults).
Fig. 1 in Halyomorpha halys (Stål) (Hemiptera: Pentatomidae) nymph survival and adult feeding preferences for crop plants in Florida
Fig. 1. Mean (± SE) survival of second instar Halyomorpha halys to the adult stage on various plant species. Means with the same letter are not significantly different (Tukey-Kramer test, P ≤ 0.05, 3 replicates of 6 nymphs).
Fig. 1 in Feeding Preferences Of Phasmids (Insecta: Phasmida) In A Bornean Dipterocarp Forest
Fig. 1. Dietary preferences of Haaniella echinata, other flightless species (pooled) and flying phasmid species (pooled) for different leaf age of six species of trees. Boxplots show the proportion of dry mass consumed from old leaves in relation to total consumption (consumption of old leaves / consumption both young and old leaves) in dual-choice tests (median, quantile, range). Values above 0.5 indicate preference for old leaves. The number of phasmid individuals is provided to the right of each bar.
Fig. 2 in Feeding Preferences Of Phasmids (Insecta: Phasmida) In A Bornean Dipterocarp Forest
Fig. 2. Leaf age preferences between saplings and an old growth canopy tree of the dipterocarp Dryobalanops lanceolata (c = canopy, s =sapling, y = young, o = old). Proportions of consumption of old leaves and canopy leaves were calculated in relation to total consumption. Values above 0.5 indicate preference for old or canopy leaves, respectively. The number of phasmid individuals is provided to the right of each bar.
Data from: Seed preference is only weakly linked to seed-type-specific feeding performance in a songbird
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Winter feeding preferences and personality vary with territory characteristics in wild great tits
<p>Differences in habitat characteristics experienced during rearing associate with variation in a range of behavioral phenotypes such as exploratory behavior, foraging behavior and food preference. The habitat-dependent selection hypothesis predicts that animals develop behavioral characteristics fitted to their rearing environment. Yet, little is known about how habitat characteristics during rearing shape how animals face winter conditions and adjust their winter foraging behavior. The aim of this study was to explore how fine-scale rearing habitat characteristics associate with exploratory behavior, food selection and foraging performance during winter. For this, we measured habitat characteristics during the breeding season in territories of wild great tits (<em>Parus major</em>), and tested first-year juvenile birds that fledged from these territories for exploratory and foraging behavior at feeders during winter. We found evidence that faster explorers were raised in territories with lower quality-related habitat characteristics. In addition, fast exploring fledglings visited the feeders significantly more (total visits). Moreover, the rearing environment, via caterpillar availability and tree species composition, determined diet selection during winter in first year birds. These results show support for the habitat-dependent selection hypothesis, since exploratory behavior as well as food preferences during winter associate with habitat features of the rearing territories during development. This pattern can be caused either by the kinds of foods prevalent at these sites or because of intrinsic individual differences. Further experiments are needed to disentangle these two.</p>
Environmental data from: Feeding strategy and dietary preference shape the microbiome of epipelagic copepods in a warm nutrient-impoverished ecosystem
<p><span>Copepods provide a rich organic microenvironment allowing the settlement and proliferation of microorganisms, forming dynamic microbial hotspots in the oceans. Such symbiotic associations in the plankton were previously hypothesized to be especially developed in warm oligotrophic seas, as they may serve as alternative sources of nutrients in biologically-poor waters. Aiming to better understand how copepod microbiomes are shaped in an oligotrophic sea, we characterized microbiota associated with three dominant coastal epipelagic copepod species in the ultra-oligotrophic Eastern Mediterranean Sea using amplicon sequencing of the 16S rRNA gene</span><span>. Our results show that copepod-associated microbial communities were host-specific rather than determined by seasonal environmental changes. In the filter-feeding copepod with a tendency to herbivory, <em>Temora stylifera</em>, microbial diversity was low and relatively stable throughout the year. In contrast, omnivorous copepods, the ambush-feeding <em>Oithona nana</em>, and the mixed-feeding <em>Centropages ponticus</em> harbored more diverse microbiomes dominated by transient taxa. We suggest that filter-feeding strategy and narrow food spectrum can limit copepod-microbe interactions, while the ambush and mixed feeding strategies combined with omnivory confer higher microbial diversity. Filter feeders may reduce the recruitment of opportunistic microbes by maintaining high fidelity associations, as indicated by the large number of core taxa in <em>T. stylifera</em>. We underline the importance of the copepod-microbe associations in nutrient-impoverished ecosystems, based on predicted enrichment of nitrogen metabolism in the core micro</span>biome<span>, mostly during summer when the shallow coastal waters are nitrogen-depleted. </span></p>
Within‐plant variation in chemical defence of Erysimum cheiranthoides does not explain Plutella xylostella feeding preference
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Environmental data from: Feeding strategy and dietary preference shape the microbiome of epipelagic copepods in a warm nutrient-impoverished ecosystem
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Winter feeding preferences and personality vary with territory characteristics in wild great tits
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Prominent grazing rates and feeding preferences of an abundant exotic benthic herbivore in the western Mediterranean Sea
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<em>Epichloë</em> endophytes impair performance and preference of <em>Rhopalosiphum padi</em> by disrupting aphid feeding behaviour in tall fescue
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Effects of fruit novelty on feeding preference in four globally invasive frugivorous birds
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Data from: Assessing feeding preferences of a consumer guild: partitioning variation among versus within species
Interspecific variation in resource use is critical to understanding species diversity, coexistence, and ecosystem functioning. A growing body of research describes analogous intraspecific variation and its potential importance for population dynamics and community outcomes. However, the magnitude of intraspecific variation relative to interspecific variation in key dimensions of consumer-resource interactions remains unknown, and is critical for understanding the importance of this variation for population and community processes. In this study, we examine feeding preference through repeated laboratory choice feeding assays of 444 wild-caught individuals of eight invertebrate grazer species on rocky reefs in northern California, USA. Between-species variation accounted for 25-33% of the total variation in preference for the preferred resource, while between-individual variation accounted for 4-5% of total variation. For two of the eight species, between-individual variation was significantly different from zero and contributed on-average 14% and 17% of the total diet variation, even after accounting for differences due to size and sex. Therefore, even with clearly distinguishable between-species differences in mean preference, diet variation between and within individuals can contribute to the dietary niche width of species and guilds, which may be overlooked by focusing solely on species' mean resource use patterns.
Data from: Using sounds for making decisions: greater tube-nosed bats prefer antagonistic calls over non-communicative sounds when feeding
Bats vocalize extensively within different social contexts. The type and extent of information conveyed via their vocalizations and their perceptual significance, however, remains controversial and difficult to assess. Greater tube-nosed bats, Murina leucogaster, emit calls consisting of long rectangular broadband noise burst (rBNBl) syllables during aggression between males. To experimentally test the behavioral impact of these sounds for feeding, we deployed an approach and place-preference paradigm. Two food trays were placed on opposite sides and within different acoustic microenvironments, created by sound playback, within a specially constructed tent. Specifically, we tested whether the presence of rBNBl sounds at a food source effectively deters the approach of male bats in comparison to echolocation sounds and white noise. In each case, contrary to our expectation, males preferred to feed at a location where rBNBl sounds were present. We propose that the species-specific rBNBl provides contextual information, not present within non-communicative sounds, to facilitate approach towards a food source.
Data from: Host stress hormones alter vector feeding preferences, success, and productivity
Stress hormones might represent a key link between individual-level infection outcome, population-level parasite transmission, and zoonotic disease risk. Although the effects of stress on immunity are well known, stress hormones could also affect host–vector interactions via modification of host behaviours or vector-feeding patterns and subsequent reproductive success. Here, we experimentally manipulated songbird stress hormones and examined subsequent feeding preferences, feeding success, and productivity of mosquito vectors in addition to defensive behaviours of hosts. Despite being more defensive, birds with elevated stress hormone concentrations were approximately twice as likely to be fed on by mosquitoes compared to control birds. Moreover, stress hormones altered the relationship between the timing of laying and clutch size in blood-fed mosquitoes. Our results suggest that host stress could affect the transmission dynamics of vector-borne parasites via multiple pathways.
Fig. 4 in Feeding Preference and Performance ofMetriona elatior(Klug) (Coleoptera: Chrysomelidae), an Oligophagous Cassidine Beetle that Feeds onSolanumL. (Solanaceae) in Southern Brazil
Fig. 4. Consumption (median and corresponding quartiles) by first-instar Metriona elatior in no- (A) and multiple- (B) choice tests using six species of Solanum (Kruskal-Wallis test, p <0.0001 and p = 0.0634, for A and B, respectively; Dunn's multiple comparison tests, p <0.05 for both cases).
Fig. 6 in Feeding Preference and Performance ofMetriona elatior(Klug) (Coleoptera: Chrysomelidae), an Oligophagous Cassidine Beetle that Feeds onSolanumL. (Solanaceae) in Southern Brazil
Fig. 6. Consumption (median and corresponding quartiles) by fifth-instar Metriona elatior in multiplechoice tests in relation to six species of Solanum, when reared up to the fifth instar on a single host plant species: Solanum aculeatissium (A), Solanum atropurpureum (B), and Solanum viarum (C) (Kruskal- Wallis tests, p <0.0001, 0.0001 and 0.0003, respectively; Dunn's multiple comparison tests, p <0.05).
Fig. 5 in Feeding Preference and Performance ofMetriona elatior(Klug) (Coleoptera: Chrysomelidae), an Oligophagous Cassidine Beetle that Feeds onSolanumL. (Solanaceae) in Southern Brazil
Fig. 5. Consumption (median and corresponding quartiles) by fifth-instar Metriona elatior reared on Solanum viarum in no-choice tests in relation to six species of Solanum (Kruskal-Wallis test, p <0.0001; followed by Dunn's multiple comparison test, p <0.05).
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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.