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130 results for “diet quality”
Fig. 5. A in Quality Control Aspects in Relation to Rearing of Moths New rearing method and larval diet for the mahogany shoot borer Hypsipyla grandella (Lepidoptera: Pyralidae)
Fig. 5. A) Average (± SE) weight of 3rd instar larvae, and B) percent survival of larvae reared on fresh cedar leaves or on artificial diet either in well plates or in Petri dishes.
Fig. 4. A in Quality Control Aspects in Relation to Rearing of Moths New rearing method and larval diet for the mahogany shoot borer Hypsipyla grandella (Lepidoptera: Pyralidae)
Fig. 4. A) Average (± SE) 3rd instar larval weight, and B) percent survival of larvae reared on fresh cedar leaves or on artificial diet in well plates.
Fig. 2. A in Quality Control Aspects in Relation to Rearing of Moths New rearing method and larval diet for the mahogany shoot borer Hypsipyla grandella (Lepidoptera: Pyralidae)
Fig. 2. A) Average (± SE) pupal weight (g), and B) average (± SE) number of d to pupation and emergence of insects reared on original or modified diets.
Fig. 3 in Quality Control Aspects in Relation to Rearing of Moths New rearing method and larval diet for the mahogany shoot borer Hypsipyla grandella (Lepidoptera: Pyralidae)
Fig. 3. Average (± SE) numbers of fertile eggs, infertile eggs and hatched larvae of insects reared either on the original diet or on the new modified diet.
Fig. 1 in Quality Control Aspects in Relation to Rearing of Moths New rearing method and larval diet for the mahogany shoot borer Hypsipyla grandella (Lepidoptera: Pyralidae)
Fig. 1. Oviposition cage. The fan provides airflow through the cage.
Diet quality impairs male and female reproductive performance and affects the opportunity for selection in an insect model
<p><span>Environmental factors can have profound effects on the strength and direction of selection and recent studies suggest that such environment-dependent selection can be sex-specific. Sexual selection theory predicts that male fitness is more condition dependent compared to female fitness, suggesting that male fitness is more sensitive to environmental stress. However, our knowledge about the effect of environmental factors on sex-specific reproductive performance and on sex differences in the opportunity for selection is still very limited. In the present study, we investigated the sex-specific effects of diet quality (yeast deprivation and flour type) in the red flour beetle <em>Tribolium castaneum</em>. Specifically, we manipulated yeast supplementation in wheat and whole-wheat flour in competition assays allowing to test for sex-specific effects of food quality (i) on reproductive success and (ii) on the opportunity for selection. Our data show that yeast deprivation in wheat flour had significantly negative effects on body mass and reproductive success of both sexes, while high quality flour (whole-wheat flour) was able to buffer the negative impact to a large extent. Importantly, our data suggest no sex-specific effect of dietary stress on reproductive success because the magnitude of the negative effect of yeast deprivation was similar for males and females. Moreover, our study demonstrates that low food quality inflated the opportunity for selection and did not differ between sexes neither under benign nor stressful dietary conditions. We discuss the implications of our findings for the adaptation to stressful environments.</span></p>
Dietary flavanols restore hippocampal-dependent memory in older adults with lower diet quality and habitual flavanol consumption
<p>Dietary flavanols are food constituents found in certain fruits and vegetables that have been linked to cognitive aging. Previous studies suggested that consumption of dietary flavanols might specifically be linked to the hippocampal-dependent memory component of cognitive aging and that memory benefits of a flavanol intervention might depend on habitual diet quality. Here, we tested these hypotheses in the context of a large-scale study of 3,562 older adults, who were randomly assigned to a 3-y intervention of cocoa extract (500 mg of cocoa flavanols per day) or a placebo [(COcoa Supplement and Multivitamin Outcomes Study) COSMOS-Web, NCT04582617]. Using the alternative healthy eating index in all participants and a urine-based biomarker of flavanol intake in a subset of participants [n = 1,361], we show that habitual flavanol consumption and diet quality at baseline are positively and selectively correlated with hippocampal-dependent memory. While the prespecified primary endpoint testing for an intervention-related improvement in memory in all participants after 1 y was not statistically significant, the flavanol intervention restored memory among participants in lower tertiles of habitual diet quality or habitual flavanol consumption. Increases in the flavanol biomarker over the course of the trial were associated with improving memory. Collectively, our results allow dietary flavanols to be considered in the context of a depletion–repletion paradigm and suggest that low flavanol consumption can act as a driver of the hippocampal-dependent component of cognitive aging.</p>
A Home-based Intervention to Improve the Diet Quality of Preschoolers
ClinicalTrials.gov study NCT03923491. IPD Sharing: UNDECIDED. Countries: 1. Publications: 2.
Digital Intervention To Improve Diet Quality
ClinicalTrials.gov study NCT04098016. IPD Sharing: NO. Countries: 1. Publications: 1.
Low Carbohydrate Diet, Glycaemic Control and Quality of Life in Australian Adults With Type 1 Diabetes
ClinicalTrials.gov study NCT04213300. IPD Sharing: NO. Countries: 1. Publications: 1.
Impact of BC Farmers' Market Nutrition Coupon Program on Diet Quality and Psychosocial Well-being of Low-income Adults
ClinicalTrials.gov study NCT03952338. IPD Sharing: NO. Countries: 1. Publications: 2.
Free Living Food Waste Management and Diet Quality Improvement Using Smart Intervention and Food Image Application
ClinicalTrials.gov study NCT05061888. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Diet quality impairs male and female reproductive performance and affects the opportunity for selection in an insect model
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Hamiltosporidium tvaerminnensis infection route diet quality
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Plains and wood bison fecal samples, diet content, and diet quality
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Code and Data for: Importance of environmental productivity and diet quality in intraguild predation
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Wildflower plantings and honeybee competition impact nutritional quality of wild bee diets
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Data from: Flying stimulates the antioxidant system and protects against oxidative damage in a migratory songbird, yet diet quality has little effect
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Dietary flavanols restore hippocampal-dependent memory in older adults with lower diet quality and habitual flavanol consumption
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Plant communities, forage quality, and diet composition on summer ranges of mule deer (2017–2019), Wyoming, USA
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