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Egg quality

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https://www.readbyqxmd.com/read/28231694/exterior-egg-quality-as-affected-by-enrichment-resources-layout-in-furnished-laying-hen-cages
#1
Xiang Li, Donghua Chen, Fanyu Meng, Yingying Su, Lisha Wang, Runxiang Zhang, Jianhong Li, Jun Bao
Objective: This study aimed to investigate the effects of enrichment resources (a perch, dustbath and nest) layout in furnished laying-hen cages (FC) on exterior quality of eggs. Methods: One hundred and sixty-eight (168) Hy-Line Brown laying hens at 16 weeks of age were randomly distributed to four treatments: small furnished cages (SFC), medium furnished cages type I (MFC-I), medium furnished cages type II (MFC-II), and medium furnished cages type III (MFC-III)...
February 23, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28231142/a-rapid-colorimetric-method-reveals-fraudulent-substitutions-in-sea-urchin-roe-marketed-in-sardinia-italy
#2
Domenico Meloni, Antonio Spina, Gianluca Satta, Vittorio Chessa
In recent years, besides the consumption of fresh sea urchin specimens, the demand of minimally-processed roe has grown considerably. This product has made frequent consumption in restaurants possible and frauds are becoming widespread with the partial replacement of sea urchin roe with surrogates that are similar in colour. One of the main factors that determines the quality of the roe is its colour and small differences in colour scale cannot be easily discerned by the consumers. In this study we have applied a rapid colorimetric method for reveal the fraudulent partial substitution of semi-solid sea urchin roe with liquid egg yolk...
June 25, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28230722/individual-diet-modeling-shows-how-to-balance-the-diet-of-french-adults-with-or-without-excessive-free-sugar-intakes
#3
Anne Lluch, Matthieu Maillot, Rozenn Gazan, Florent Vieux, Fabien Delaere, Sarah Vaudaine, Nicole Darmon
Dietary changes needed to achieve nutritional adequacy for 33 nutrients were determined for 1719 adults from a representative French national dietary survey. For each individual, an iso-energy nutritionally adequate diet was generated using diet modeling, staying as close as possible to the observed diet. The French food composition table was completed with free sugar (FS) content. Results were analyzed separately for individuals with FS intakes in their observed diets ≤10% or >10% of their energy intake (named below FS-ACCEPTABLE and FS-EXCESS, respectively)...
February 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28226319/oral-and-sublingual-immunotherapy-potential-causes-for-eosinophilic-gastrointestinal-disorders
#4
Delara Babaie, Mehrnaz Mesdaghi, Makoto Nishino, Mahboubeh Mansouri, Motohiro Ebisawa
Food allergy is a common health problem worldwide, with increasing prevalence during recent decades. The only approved treatments for food allergy are food avoidance and administration of emergency medications in case of accidental exposure, which negatively affects patients' quality of life, so new treatments are highly desirable. Different food immunotherapy modalities have recently been used, with variable success rates in the induction of desensitization and tolerance, and different numbers and types of adverse reactions...
February 23, 2017: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/28224825/heavy-lifting-and-shift-work-linked-to-lowered-fertility-in-women
#5
(no author information available yet)
Women who work shifts or have a physically demanding job may be less likely to conceive due to poorer egg quality, new study results suggest.
February 22, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28224657/cryoprotectant-effect-of-trehalose-in-extender-on-post-thaw-quality-and-in-vivo-fertility-of-water-buffalo-bubalus-bubalis-bull-spermatozoa
#6
S Iqbal, S Naz, H Ahmed, S M H Andrabi
This study was designed to ascertain the cryoprotectant effects of different concentrations of trehalose [0 (T0), 25 (T25), 35 (T35), 45 (T45) mm], egg yolk [20% (E20), 15% (E15) v/v] and glycerol [7% (G7), 5% (G5) v/v] in Tris-citric acid-based extender on post-thaw quality and in vivo fertility of buffalo bull spermatozoa. Twenty-five ejaculates were collected from five bulls and split into four parts. After that, the split ejaculates from each of the bull were diluted either in T0E20G7 (control) or T25E20G5 or T35E15G5 or T45E15G5 extender...
February 22, 2017: Andrologia
https://www.readbyqxmd.com/read/28222834/acute-and-chronic-outcomes-of-gas-bubble-disease-in-a-colony-of-african-clawed-frogs-xenopus-laevis
#7
Julia Y Tsai, Stephen A Felt, Donna M Bouley, Sherril L Green
Gas-bubble disease occurs in aquatic species that are exposed to water that is supersaturated with gases. In February 2007, municipal water supersaturated with gas was inadvertently pumped into the vivarium's aquatic housing systems and affected approximately 450 adult female Xenopus laevis. The inflow of supersaturated water was stopped immediately, the holding tanks aggressively aerated, and all experimental manipulations and feeding ceased. Within the first 6 h after the event, morbidity approached 90%, and mortality reached 3...
February 1, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28221963/prevalence-and-antimicrobial-resistance-of-enterobacteriaceae-in-shell-eggs-from-small-scale-poultry-farms-and-farmers-markets
#8
A Kilonzo-Nthenge, S N Nahashon, S Godwin, S Liu, D Long
Public health concerns over the emergence of antimicrobial resistant bacteria have increased recently. The purpose of this study was to investigate the prevalence of antimicrobial resistant Enterobacteriaceae in shell eggs purchased from small poultry farms and farmers' markets. A total of 504 eggs were pooled to make 252 composite samples, consisting of 2 eggs per composite. The microbial quality of shell eggs was determined by standard quantitative, biochemical, and PCR techniques. Susceptibility to 13 antimicrobial agents was determined by the Kirby-Bauer disk diffusion technique, and results were interpreted based on Clinical and Laboratory Standards Institute values...
December 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28215687/deterioration-of-eggshell-quality-is-related-to-calbindin-in-laying-hens-infected-with-velogenic-genotype-viid-newcastle-disease-virus
#9
Ruiqiao Li, Xuefeng Qi, Xueying Han, Caihong Liu, Jing Wang, Ruichun Wang, Jingyu Wang, Jinhai Huang
The aim of this study was to determine the mechanism by which Newcastle disease virus (NDV) affects eggshell quality. Thirty-week-old specific pathogen free (SPF) egg-laying hens were inoculated with the velogenic genotype VIId NDV strain (infected group) or with inoculating media without virus (control group) by combined intraocular and intranasal routes. The levels of CaBP-D28k mRNA expression in the uterus, a gene related to eggshell quality, were examined by quantitative reverse transcriptase polymerase chain reaction (RT-PCR)...
March 15, 2017: Theriogenology
https://www.readbyqxmd.com/read/28211100/safety-and-feasibility-of-heated-egg-yolk-challenge-for-children-with-egg-allergies
#10
Noriyuki Yanagida, Sakura Sato, Tomoyuki Asaumi, Kiyotake Ogura, Magnus P Borres, Motohiro Ebisawa
BACKGROUND: Hen's egg allergy is a frequent cause of childhood food allergy. Egg yolk is used in various commonly consumed foods; if children with allergy to hen's egg could eat heated egg yolk, their quality of life (QOL) would improve. No reports exist regarding oral food challenges (OFCs) for heated egg yolk. We aimed to clarify whether pediatric patients allergic to hen's egg could consume heated egg yolk. METHODS: Data from pediatric patients who had undergone OFCs for heated egg yolk were evaluated retrospectively...
February 16, 2017: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/28202684/aging-parasites-produce-offspring-with-poor-fitness-prospects
#11
Cédric Lippens, Bruno Faivre, Clothilde Lechenault, Gabriele Sorci
Senescing individuals have poor survival prospects and low fecundity. They can also produce offspring with reduced survival and reproductive success. We tested the effect of parental age on the performance of descendants in the nematode Heligmosomoides polygyrus, an intestinal parasite of rodents. We found that offspring of senescing worms had reduced within-host survival and reduced egg shedding over the first month post-infection compared with offspring produced by young parents. These results suggest that declining offspring quality is a component of senescence in parasitic nematodes and might have evolutionary consequences for the optimal schedule of age-dependent investment into reproductive effort...
February 2017: Biology Letters
https://www.readbyqxmd.com/read/28194319/candidate-genes-that-have-facilitated-freshwater-adaptation-by-palaemonid-prawns-in-the-genus-macrobrachium-identification-and-expression-validation-in-a-model-species-m-koombooloomba
#12
Md Lifat Rahi, Shorash Amin, Peter B Mather, David A Hurwood
BACKGROUND: The endemic Australian freshwater prawn, Macrobrachium koombooloomba, provides a model for exploring genes involved with freshwater adaptation because it is one of the relatively few Macrobrachium species that can complete its entire life cycle in freshwater. METHODS: The present study was conducted to identify potential candidate genes that are likely to contribute to effective freshwater adaptation by M. koombooloomba using a transcriptomics approach...
2017: PeerJ
https://www.readbyqxmd.com/read/28190675/effectiveness-of-exergaming-in-improving-functional-balance-fatigue-and-quality-of-life-in-parkinson-s-disease-a-pilot-randomized-controlled-trial
#13
REVIEW
Camila Gemin Ribas, Letícia Alves da Silva, Marina Ribas Corrêa, Hélio Ghizone Teive, Silvia Valderramas
: Although motor symptoms in Parkinson's disease (PD) are well established, few studies have described the effects of exergaming on the clinical and functional outcomes of PD. OBJECTIVES: To analyze the effectiveness of exergaming in improving functional balance, fatigue, functional exercise capacity and quality of life in PD. METHODS: The study population consisted of 20 patients (12 males and 8 females) aged 61 ± 9.11 years allocated into two groups: an exergaming group (EGG) (n = 10) and a conventional exercise, or control, group (CG) (n = 10)...
February 7, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28183170/physico-chemical-properties-of-late-incubation-egg-amniotic-fluid-and-a-potential-in-ovo-feed-supplement
#14
Apeh A Omede, Momenuzzaman M Bhuiyan, Fakrul A Islam, Paul A Iji
This study explored the physico-chemical properties of late-incubation egg amniotic fluid and a potential in ovo feed (IOF) supplement. Amniotic fluid was collected from broiler breeders (Ross 308, 51 weeks and Cobb 500, 35 weeks) on day 17 after incubation. A mixture of high-quality soy protein supplement - Hamlet Protein AviStart (HPA) was serially diluted in MilliQ water to obtain solutions ranging from 150 to 9.375 mg/ml. The mixtures were heat-treated (0, 30, 60 minutes) in a waterbath (80 oC) and then centrifuged to obtain supernatants...
January 26, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28181038/transcriptomic-profiling-of-egg-quality-in-sea-bass-dicentrarchus-labrax-sheds-light-on-genes-involved-in-ubiquitination-and-translation
#15
Daniel Żarski, Thaovi Nguyen, Aurélie Le Cam, Jérôme Montfort, Gilbert Dutto, Marie Odile Vidal, Christian Fauvel, Julien Bobe
Variable and low egg quality is a major limiting factor for the development of efficient aquaculture production. This stems from limited knowledge on the mechanisms underlying egg quality in cultured fish. Molecular analyses, such as transcriptomic studies, are valuable tools to identify the most important processes modulating egg quality. However, very few studies have been devoted to this aspect so far. Within this study, the microarray-based transcriptomic analysis of eggs (of different quality) of sea bass (Dicentrarchus labrax) was performed...
February 8, 2017: Marine Biotechnology
https://www.readbyqxmd.com/read/28179065/women-s-dietary-changes-before-and-during-pregnancy-a-systematic-review
#16
Sarah E Hillier, Ellinor K Olander
BACKGROUND: dietary intake before and during pregnancy has significant health outcomes for both mother and child, including a healthy gestational weight gain. To ensure effective interventions are successfully developed to improve dietary intake during pregnancy, it is important to understand what dietary changes pregnant women make without intervention. AIMS: to systematically identify and review studies examining women's dietary changes before and during pregnancy and to identify characteristics of the women making these changes...
January 31, 2017: Midwifery
https://www.readbyqxmd.com/read/28178360/melatonin-protects-oocyte-quality-from-bisphenol-a-induced-deterioration-in-the-mouse
#17
Mianqun Zhang, Xiaoxin Dai, Yajuan Lu, Yilong Miao, Changyin Zhou, Zhaokang Cui, Honglin Liu, Bo Xiong
BPA (Bisphenol A) has been reported to adversely affect the mammalian reproductive system in both sexes. However, the underlying mechanisms regarding how BPA disrupts the mammalian oocyte quality and how to prevent it have not been fully defined. Here, we document that BPA weakens oocyte quality by impairing both oocyte meiotic maturation and fertilization ability. We find that oral administration of BPA (100 μg/kg body weight per day for 7 days) compromises the first polar body extrusion (78.0% VS 57.0%, p < 0...
February 8, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/28177371/repeatability-vs-multiple-trait-models-to-evaluate-shell-dynamic-stiffness-for-layer-chickens
#18
A Wolc, J Arango, P Settar, N P O'Sullivan, J C M Dekkers
Shell quality is one of the most important traits for improvement in layer chickens. Proper consideration of repeated records can increase the accuracy of estimated breeding values and thus genetic improvement of shell quality. The objective of this study was to compare different models for genetic evaluation of the collected data. For this study, 81,646 dynamic stiffness records on 21,321 brown egg layers and 93,748 records on 24,678 white egg layers from 4 generations were analyzed. Across generations, data were collected at 2 to 4 ages (at approximately 26, 42, 65, and 86 wk), with repeated records at each age...
January 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28168030/eggshell-coloration-and-its-importance-in-postmating-sexual-selection
#19
Miroslav Poláček, Matteo Griggio, Ivan Mikšík, Michaela Bartíková, Manfred Eckenfellner, Herbert Hoi
Avian eggshell color seems to fulfill multiple functions, some of them being structural and others signaling. In this study, we tested whether or not eggshell coloration may play a role in sexual selection of Tree Sparrows (Passer montanus). According to the "Sexually selected eggshell coloration" hypothesis, eggshell coloration signals female, egg or chick quality and males adjust parental investment according to this signal. Eggs of this species are covered with brown spots and patches, and variation between clutches is high...
February 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28166956/impact-of-induced-levels-of-specific-free-radicals-and-malondialdehyde-on-chicken-semen-quality-and-fertility
#20
Bruno R Rui, Fábio Y Shibuya, Allison J T Kawaoku, João D A Losano, Daniel S R Angrimani, Andressa Dalmazzo, Marcilio Nichi, Ricardo J G Pereira
Over the past decades, scientists endeavored to comprehend oxidative stress in poultry spermatozoa and its relationship with fertilizing ability, lipid peroxidation (LPO), free-radical scavenging systems, and antioxidant therapy. Although considerable progress has been made, further improvement is needed in understanding how specific reactive oxygen species (ROS) and malondialdehyde (MDA, a toxic byproduct of LPO) disrupt organelles in avian spermatozoon. Hence, this study examined functional changes in chicken spermatozoa after incubation with different ROS, and their implications for the fertility...
March 1, 2017: Theriogenology
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