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75 results for “feeding preference”
Data from: Feeding preference as a main determinant of microscale patchiness among terrestrial nematodes
Soil biota are responsible for essential ecosystem services such as carbon storage, nutrient cycling and water retention. However, assessment of the condition of soil biota is hampered by an overwhelming level of diversity. With representatives in all trophic levels of the food web, nematode communities can be used as bio-indicators. Accurate assessment of nematode assemblages requires insight in the distribution of specimens with distinct food preferences. With the availability of taxon-specific quantitative-PCR assays, distribution patterns of multiple nematode groups can be investigated simultaneously. Here, microscale patchiness of 45 nematode taxa was studied on 12 sampling sites (each with four adjacent microplots) located on arable fields or semi-natural grasslands ('system'), and on marine-, river clay or sandy soils ('soil type'). From each microplot five composite samples were collected. Contrary to our expectations, an increase of the number of cores per composite sample did not result in more accurate measurements, and apparently the levels of microscale patchiness of the taxa are low compared to what has been reported for oligophagous plant-parasites. System and soil type did not affect microscale distribution. To investigate the level of patchiness in more detail, detection probability (DP) and variability of abundances were calculated. Common and widespread bacterivorous and fungivorous taxa had DP ≥ 90%, confirming low level of microscale patchiness. With DPs of 40-70%, predators and most omnivores showed degrees of local clustering. An overview of mean variabilities of abundances is presented that offers insight in how feeding preferences impact the microscale distribution both between and within trophic groups.
Feeding preference of Tuta absoluta on solanaceous host plants under field conditions
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Figure 4 in Diceraeus melacanthus (Dallas) (Hemiptera: Pentatomidae) development, preference for feeding and oviposition related to different food sources
Figure 4 Number of egg masses and individual eggs found per type of host (plants) associated with the oviposition preference (trial 3) of Diceraeus melacanthus. Plants: Soybean plants in the reproductive stage R4 (SP-R4); soybean seedlings (SS); Maize plants in the reproductive stage R2 (MP-R2); maize seedlings (MS); Commelina benghalensis plants (CbP). Means followed by the same letter in each figure do not differ according to the Tukey test (p ≥ 0.05). Analysis performed on data transformed to x + 0.5.
Fig. 21. Feeding from bark crevices, location 24 in The northernmost discovery of Aradus brenskei (Reuter, 1884) (Heteroptera: Aradidae). Considerations on the local distribution and the habitat preferences of this new Belgian species following a nine-months field survey
Fig. 21. Feeding from bark crevices, location 24, Lede, 7.VII.2020. © Brecht Verkempinck.
Figure 8 in Life History of Western Ghats endemic and threatened Anuran - Matheran leaping frog, (Indirana leithii) with notes on its feeding preferences
Figure 8. Grey-coloured eggs showing white yolk plug, i.e. Stage 11.
Figure 5 in Life History of Western Ghats endemic and threatened Anuran - Matheran leaping frog, (Indirana leithii) with notes on its feeding preferences
Figure 5. Inguinal amplexus in Indirana leithii with multiple males around.
Figure 4 in Life History of Western Ghats endemic and threatened Anuran - Matheran leaping frog, (Indirana leithii) with notes on its feeding preferences
Figure 4. External morphology of oral apparatus of Indirana leithii tadpole.
Figure 9 in Life History of Western Ghats endemic and threatened Anuran - Matheran leaping frog, (Indirana leithii) with notes on its feeding preferences
Figure 9. Hatchlings of Indirana leithii i.e. Stage 25 (live).
Figure 3 in Life History of Western Ghats endemic and threatened Anuran - Matheran leaping frog, (Indirana leithii) with notes on its feeding preferences
Figure 3. Femoral glands in (a) Indirana leithii and (b) Indirana chiravasi.
Data from: Feeding preference as a main determinant of microscale patchiness among terrestrial nematodes
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Feeding preferences and nutritional niche of wild water buffalo (Bubalus arnee) in Koshi Tappu Wildlife Reserve, Nepal.
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Data from: The intake pattern and feed preference of layer hens selected for high or low feed conversion ratio
Feed accounts for the greatest proportion of laying hen egg production costs and there is substantial variation in feed to egg conversion (FCR) efficiency between individual hens. Despite this understanding, there is a paucity of information regarding layer hen feeding behaviour, diet selection and its impact on feed efficiency. It was hypothesised that variation in feed to egg conversion efficiency between hens may be influenced by feeding behaviour. For this experiment, two 35- bird groups of ISA Brown layers were selected from 450 individually caged hens at 25-30 weeks of age for either low feed conversion ratio FCR < 1.8 ± 0.02 (high feed efficiency (HFE))) or high FCR >2.1 ± 0.02 (low feed efficiency (LFE)). For each of these 70 hens, intake of an ad-libitum mash diet at 2-minute time intervals, 24 h a day, for 7 days was determined alongside behavioural assessment and estimation of the selection of components of thethis mash. The group selected for HFE had a lower feed intake, similar egg mass and associated lower FCR when compared with the LFE group. Whilst feed intake patterns were similar between HFE and LFE hens, there was a distinct intake pattern for all layer hens with intake rate increasing from 0300 to 1700 h with a sharp decline to 22002100 h. High feed efficiencyFE hens selected a diet with 25% more ash and 4% less gross energy than LFE hens. The LFE hens also spent more time eating with more walking events, but less time spent resting, drinking, preening and cage pecking events as compared with HFE hens. In summary, there was no contrasting diurnal pattern of feed consumption behaviour between the groups ranked on feed efficiency, howeverIn summary, high feed efficiency hens consumed less feed and selected a diet with greater ash content and lower gross energy as compared with LFE hens. Our work is now focused on individual hen diet selection from mash diets with an aim of formulating precision, targeted diets for greater feed efficiency.
Data from: The intake pattern and feed preference of layer hens selected for high or low feed conversion ratio
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Figure 2. Prey preference and stomach content states. a in Life is uncertainı eat dessert first: feeding ecology and prey-predator interactions of the coffee snake Ninia atrata
Figure 2. Prey preference and stomach content states. a) Percentage of prey-items in the stomach content and available in the environment. b) stomach contents categories.
Beneficial rhizobacteria and virus infection modulate the feeding preferences of the virus vector Epilachna varivestis by modifying key metabolic pathways
GEO Series GSE244001. Glycine max. 40 samples. Type: Expression profiling by high throughput sequencing.
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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.
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DANDI Archive for NWB datasets
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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.