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https://www.readbyqxmd.com/read/28339966/operational-challenges-and-opportunities-in-pastured-poultry-operations-in-the-united-states
#1
C Elkhoraibi, M Pitesky, N Dailey, D Niemeier
As pastured poultry production has gained increased popularity in the United States in recent years, there is a growing need for research and outreach efforts aimed at this sector of poultry production. In order to get familiarized with American pastured poultry producers, we conducted an online questionnaire aimed primarily at evaluating what operational challenges are faced by producers and what educational opportunities should be initiated by researchers. Results showed that pastured poultry farms largely vary in total number of acres farmed and total number of birds kept...
March 3, 2017: Poultry Science
https://www.readbyqxmd.com/read/28335549/understanding-the-fresh-produce-safety-challenges
#2
EDITORIAL
Malik Altaf Hussain, Ravi Gooneratne
Consumption of fresh fruits and vegetables is important for a balanced diet and healthy life-style. [...].
March 21, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28335517/state-of-the-art-on-functional-virgin-olive-oils-enriched-with-bioactive-compounds-and-their-properties
#3
REVIEW
Patricia Reboredo-Rodríguez, María Figueiredo-González, Carmen González-Barreiro, Jesús Simal-Gándara, María Desamparados Salvador, Beatriz Cancho-Grande, Giuseppe Fregapane
Virgin olive oil, the main fat of the Mediterranean diet, is per se considered as a functional food-as stated by the European Food Safety Authority (EFSA)-due to its content in healthy compounds. The daily intake of endogenous bioactive phenolics from virgin olive oil is variable due to the influence of multiple agronomic and technological factors. Thus, a good strategy to ensure an optimal intake of polyphenols through habitual diet would be to produce enriched virgin olive oil with well-known bioactive polyphenols...
March 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28335491/health-and-wellbeing-of-occupants-in-highly-energy-efficient-buildings-a-field-study
#4
Peter Wallner, Peter Tappler, Ute Munoz, Bernhard Damberger, Anna Wanka, Michael Kundi, Hans-Peter Hutter
Passive houses and other highly energy-efficient buildings need mechanical ventilation. However, ventilation systems in such houses are regarded with a certain degree of skepticism by parts of the public due to alleged negative health effects. Within a quasi-experimental field study, we investigated if occupants of two types of buildings (mechanical vs. natural ventilation) experience different health, wellbeing and housing satisfaction outcomes and if associations with indoor air quality exist. We investigated 123 modern homes (test group: with mechanical ventilation; control group: naturally ventilated) built in the years 2010 to 2012 in the same geographic area and price range...
March 19, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28335441/dietary-intake-of-individual-free-and-intrinsic-sugars-and-food-sources-in-the-spanish-population-findings-from-the-anibes-study
#5
Emma Ruiz, Paula Rodriguez, Teresa Valero, José M Ávila, Javier Aranceta-Bartrina, Ángel Gil, Marcela González-Gross, Rosa M Ortega, Lluis Serra-Majem, Gregorio Varela-Moreiras
The consumption of total and individual sugars is controversial and little is known about consumption and dietary sources in Spain. The purpose was to examine free and intrinsic sugar intake and food and beverage sources. The ANIBES Study (Anthropometry, Intake and Energy Balance in Spain), a cross-sectional study of a representative sample of the Spanish population (9-75 years old; n = 2009) carried out in 2013, was used. Food and beverage records were obtained by a three-day dietary record by using a tablet device...
March 14, 2017: Nutrients
https://www.readbyqxmd.com/read/28335382/feasibility%C3%A2-of%C3%A2-assessing%C3%A2-diet%C3%A2-with%C3%A2-a%C3%A2-mobile%C3%A2-food%C3%A2-record%C3%A2-for%C3%A2-adolescents%C3%A2-and%C3%A2-young%C3%A2-adults%C3%A2-with%C3%A2-down%C3%A2-syndrome
#6
Katherine E Bathgate, Jill L Sherriff, Helen Leonard, Satvinder S Dhaliwal, Edward J Delp, Carol J Boushey, Deborah A Kerr
Technology-based methods for assessing diet in those with disability remains largely unexplored. The aim was to assess the feasibility of assessing diet with an image-based mobile food record application (mFR) in 51 adolescents and young adults with Down syndrome (PANDs). Adherence was also assessed with the instruction to include a fiducial marker object in the before and after eating images. The PANDs sample completed a four-day mFR and results were compared with a sample of young adults from the Connecting Health and Technology study (CHAT, n = 244)...
March 13, 2017: Nutrients
https://www.readbyqxmd.com/read/28335375/assessing-the-spectral-properties-of-sunlit-and-shaded-components-in-rice-canopies-with-near-ground-imaging-spectroscopy-data
#7
Kai Zhou, Xinqiang Deng, Xia Yao, Yongchao Tian, Weixing Cao, Yan Zhu, Susan L Ustin, Tao Cheng
Monitoring the components of crop canopies with remote sensing can help us understand the within-canopy variation in spectral properties and resolve the sources of uncertainties in the spectroscopic estimation of crop foliar chemistry. To date, the spectral properties of leaves and panicles in crop canopies and the shadow effects on their spectral variation remain poorly understood due to the insufficient spatial resolution of traditional spectroscopy data. To address this issue, we used a near-ground imaging spectroscopy system with high spatial and spectral resolutions to examine the spectral properties of rice leaves and panicles in sunlit and shaded portions of canopies and evaluate the effect of shadows on the relationships between spectral indices of leaves and foliar chlorophyll content...
March 13, 2017: Sensors
https://www.readbyqxmd.com/read/28335085/modifications-in-dietary-and-alcohol-intakes-between-before-and-after-cancer-diagnosis-results-from-the-prospective-population-based-nutrinet-sant%C3%A3-cohort
#8
Philippine Fassier, Laurent Zelek, Lucie Lécuyer, Patrick Bachmann, Marina Touillaud, Nathalie Druesne-Pecollo, Pilar Galan, Patrice Cohen, Hélène Hoarau, Paule Latino-Martel, Emmanuelle Kesse-Guyot, Julia Baudry, Serge Hercberg, Mélanie Deschasaux, Mathilde Touvier
Post-diagnosis diet and alcohol consumption may be associated with cancer prognosis, recurrence and mortality. Our aim was to investigate food, nutrient and alcohol intake variations between before and after cancer diagnosis and their determinants in a prospective cohort. Subjects (n=696) were incident cancer cases diagnosed in the NutriNet-Santé cohort between 2009 and 2016. Food, nutrient and alcohol intakes were prospectively collected using repeated non-consecutive 24-h dietary records since subjects' inclusion (i...
March 23, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28335038/a-comparative-effectiveness-education-trial-for-lifestyle-health-behavior-change-in-african-americans
#9
Chanita Hughes Halbert, Scarlett Bellamy, Vanessa Briggs, Ernestine Delmoor, Joseph Purnell, Rodney Rogers, Benita Weathers, Jerry C Johnson
Obesity and excess weight are significant clinical and public health issues that disproportionately affect African Americans because of physical inactivity and unhealthy eating. We compared the effects of alternate behavioral interventions on obesity-related health behaviors. We conducted a comparative effectiveness education trial in a community-based sample of 530 adult African Americans. Outcomes variables were physical activity (PA) and fruit and vegetable intake. Outcomes were evaluated at baseline and 1-month following interventions about shared risk factors for cancer and cardiovascular disease (CVD) (integrated, INT) or CVD only (disease-specific)...
March 18, 2017: Health Education Research
https://www.readbyqxmd.com/read/28335002/handcuffing-reversal-is-facilitated-by-proteases-and-replication-initiator-monomers
#10
Katarzyna Bury, Katarzyna Wegrzyn, Igor Konieczny
Specific nucleoprotein complexes are formed strictly to prevent over-initiation of DNA replication. An example of those is the so-called handcuff complex, in which two plasmid molecules are coupled together with plasmid-encoded replication initiation protein (Rep). In this work, we elucidate the mechanism of the handcuff complex disruption. In vitro tests, including dissociation progress analysis, demonstrate that the dimeric variants of plasmid RK2 replication initiation protein TrfA are involved in assembling the plasmid handcuff complex which, as we found, reveals high stability...
March 9, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28334909/changes-in-awareness-of-cancer-risk-factors-among-adult-new-zealanders-caanz-2001-to-2015
#11
R Richards, B McNoe, E Iosua, A I Reeder, R Egan, L Marsh, L Robertson, B Maclennan, A Dawson, R Quigg, A-C Petersen
Behaviour change, specifically that which decreases cancer risk, is an essential element of cancer control. Little information is available about how awareness of risk factors may be changing over time. This study describes the awareness of cancer risk behaviours among adult New Zealanders in two cross-sectional studies conducted in 2001 and 2014/5.Telephone interviews were conducted in 2001 (n = 436) and 2014/5 (n = 1064). Participants were asked to recall things they can do to reduce their risk of cancer...
February 27, 2017: Health Education Research
https://www.readbyqxmd.com/read/28334674/organochlorine-pesticides-in-soil-air-and-vegetation-at-and-around-a-contaminated-site-in-southwestern-china-concentration-transmission-and-risk-evaluation
#12
Yanyan Fang, Zhiqiang Nie, Qingqi Die, Yajun Tian, Feng Liu, Jie He, Qifei Huang
Remediation and management of contaminated sites have become a prevalent problem under the current situation in China. The present study was conducted to investigate the concentration, transmission, and health risk of organochlorine pesticides (OCPs) in soil, air, and vegetation at and around a typical pesticide-contaminated site located in southwestern China. Exchange flux between soil and air was calculated to investigate the transmission of OCPs. Hexachlorocyclohexane (ΣHCHs, top soil: 19.1 mg/kg d.w., air: 52...
March 1, 2017: Chemosphere
https://www.readbyqxmd.com/read/28334394/effects-of-altered-seasonality-of-precipitation-on-grass-production-and-grasshopper-performance-in-a-northern-mixed-prairie
#13
David H Branson
Climatic changes are leading to differing patterns and timing of precipitation in grassland ecosystems, with the seasonal timing of precipitation affecting plant biomass and plant composition. No previous studies have examined how drought seasonality affects grasshopper performance and the impact of herbivory on vegetation. We modified seasonal patterns of precipitation and grasshopper density in a manipulative experiment to examine if seasonality of drought combined with herbivory affected plant biomass, nitrogen content, and grasshopper performance...
March 15, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28334311/flight-performance-of-ctenoplusia-agnata-lepidoptera-noctuidae
#14
Xiaowei Fu, Shengyuan Zhao, Chao Li, Xiao Wu, Jianglong Guo, Kongming Wu
Ctenoplusia agnata (Staudinger) (Lepidoptera: Noctuidae) is a highly destructive polyphagous pest of cotton, maize, soybean, and cruciferous vegetables in East Asia. The effect of various biotic and abiotic factors on the flight performance of C. agnata is crucial for a better understanding of its transregional migration. In this study, the flight performance of C. agnata moths at different ages, temperatures, and relative humidity (RH) levels, was examined by tethering individual moths to computerized flight mills for a 24-h scotophase...
March 13, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28334304/livestock-grazing-shapes-the-vegetation-structure-and-subsequent-habitat-use-by-the-endangered-skipper-pyrgus-ruralis-lagunae-lepidoptera-hesperiidae
#15
Daniel A Marschalek, David K Faulkner, Douglas H Deutschman
Many species adapted to alpine and montane meadow ecosystems are at risk of extinction. The skipper Pyrgus ruralis lagunae Scott is a mountaintop butterfly restricted to San Diego County, CA, a federally listed endangered species, and is in imminent risk of extinction. Historically, P. r. lagunae was found in the Laguna and Palomar mountains. We did not detect the skipper in the Laguna Mountains, and the species has likely been extirpated from this area, which represents half of its historical range and is the type locality...
March 18, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28334278/local-and-landscape-drivers-of-parasitoid-abundance-richness-and-composition-in-urban-gardens
#16
Julia M Burks, Stacy M Philpott
Urbanization negatively affects biodiversity, yet some urban habitat features can support diversity. Parasitoid wasps, an abundant and highly diverse group of arthropods, can inhabit urban areas and do well in areas with higher host abundance, floral resources, or local or landscape complexity. Parasitoids provide biological control services in many agricultural habitats, yet few studies have examined diversity and abundance of parasitoids in urban agroecosystems to understand how to promote conservation and function...
March 8, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28334207/oviposition-preference-and-larval-performance-of-cnaphalocrocis-medinalis-lepidoptera-pyralidae-on-rice-genotypes
#17
Chung-Ta Liao, Chung-Li Chen
Cnaphalocrocis medinalis Guenée is a noxious rice pest during cultivated periods. Cnaphalocrocis medinalis moths lay eggs on leaf surfaces, and larvae longitudinally roll the leaves to hide inside the leaf buds and feed on the upper epidermis and mesophyll tissues. In this study, we evaluated the female oviposition preference and larval performance of C. medinalis on six insect-resistant and six insect-susceptible rice genotypes. Female moth choice and no-choice oviposition preferences were studied. The number of eggs laid on the leaf varies among selected rice genotypes; however, female adults prefer to lay more eggs on both some resistant and susceptible rice genotypes...
March 8, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28334206/polyploid-species-rely-on-vegetative-reproduction-more-than-diploids-a-re-examination-of-the-old-hypothesis
#18
Tomáš Herben, Jan Suda, Jitka Klimešová
Background and Aims: Polyploidy is arguably the single most important genetic mechanism in plant speciation and diversification. It has been repeatedly suggested that polyploids show higher vegetative reproduction than diploids (to by-pass low fertility after the polyploidization), but there are no rigorous tests of it. Methods: Data were analysed by phylogenetic regressions of clonal growth parameters, and vegetative reproduction in culture on the ploidy status of a large set of species (approx...
February 27, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28334188/climate-extremes-vegetation-change-and-decoupling-of-interactive-fire-grazing-processes-exacerbate-fly-parasitism-of-cattle
#19
John D Scasta, Justin L Talley, David M Engle, Diane M Debinski
We assessed local horn fly (Haematobia irritans L.) and face fly (Musca autumnalis De Geer) communities on cattle in 2012 and 2013 relative to vegetation and climate data to understand how parasitism of cattle is influenced by change in climate and vegetation structure. We compared heterogeneity management using spatially and temporally discrete fires (i.e., patch-burning one-third of a pasture annually) to homogeneity management (i.e., burning entire pasture in 2012 then no burning in 2013), with cattle grazing all years in both treatments...
February 17, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28334168/resistance-monitoring-for-eight-insecticides-on-the-sweetpotato-whitefly-hemiptera-aleyrodidae-in-china
#20
Shaoli Wang, Youjun Zhang, Xin Yang, Wen Xie, Qingjun Wu
The sweetpotato whitefly, Bemisia tabaci (Gennadius), is an important pest of many crops worldwide. Because control of B. tabaci still depends on the application of insecticides in China, monitoring the insecticide resistance of B. tabaci populations is essential for achieving control and for managing resistance. In this study, field populations of B. tabaci on vegetables were collected in three regions of China in 2011, 2012, and 2013. The resistance of these populations (all of which were determined to belong to biotype Q) to eight insecticides (abamectin, spinetoram, imidacloprid, thiamethoxam, acetamiprid, nitenpyram, chlorpyrifos, and bifenthrin) was assessed by the leaf-dip method...
March 1, 2017: Journal of Economic Entomology
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