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Egg quality

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https://www.readbyqxmd.com/read/29156929/-role-of-the-egg-in-the-diet-of-athletes-and-physically-active-people
#1
Ana M López Sobaler, Aránzazu Aparicio Vizuete, Rosa M Ortega
The practice of sport and medium-high intensity exercise increases the needs of energy and nutrients. Proper nutrition is very important for reaching the maximum performance, reducing the risk of injury, and ensuring the best recovery. It must also ensure the achievement of optimum nutritional status and prevent health problems at the present and in the future time. Eggs are a very nutritious food that can help athletes to achieve a correct diet. It contains proteins of high quality and bioavailability, a profile of fatty acids very favorable from the cardiovascular point of view, and vitamins and minerals involved in energy and protein metabolism, in defense against oxidative stress and inflammation, in cell growth and tissue repair...
October 15, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29151396/effect-of-dietary-sources-of-n-3-fatty-acids-on-pig-performance-and-technological-nutritional-and-sensory-qualities-of-pork
#2
A de Tonnac, J Mourot
In France, animal products (dairy products, meat and eggs) are the main source of n-3 polyunsaturated fatty acids (PUFA) in the human diet; however, many individuals do not consume enough of this nutrient. The objective of this study was to increase n-3 PUFA precursor and derivative contents in tissues and test how they influence technological and sensory qualities of meat without negatively affecting growth performances of pigs. A total of 60 male pigs [(Large White×Landrace)×Pietrain] were assigned according to their initial liveweight (50...
November 20, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29145436/scrambled-eggs-proteomic-portraits-and-novel-biomarkers-of-egg-quality-in-zebrafish-danio-rerio
#3
Ozlem Yilmaz, Amélie Patinote, Thao Vi Nguyen, Emmanuelle Com, Regis Lavigne, Charles Pineau, Craig V Sullivan, Julien Bobe
Egg quality is a complex biological trait and a major determinant of reproductive fitness in all animals. This study delivered the first proteomic portraits of egg quality in zebrafish, a leading biomedical model for early development. Egg batches of good and poor quality, evidenced by embryo survival for 24 h, were sampled immediately after spawning and used to create pooled or replicated sample sets whose protein extracts were subjected to different levels of fractionation before liquid chromatography and tandem mass spectrometry...
2017: PloS One
https://www.readbyqxmd.com/read/29145391/household-food-production-is-positively-associated-with-dietary-diversity-and-intake-of-nutrient-dense-foods-for-older-preschool-children-in-poorer-families-results-from-a-nationally-representative-survey-in-nepal
#4
Prajula Mulmi, William A Masters, Shibani Ghosh, Grace Namirembe, Ruchita Rajbhandary, Swetha Manohar, Binod Shrestha, Keith P West, Patrick Webb
BACKGROUND: Nutrition-sensitive interventions supporting enhanced household food production have potential to improve child dietary quality. However, heterogeneity in market access may cause systematic differences in program effectiveness depending on household wealth and child age. Identifying these effect modifiers can help development agencies specify and target their interventions. OBJECTIVE: This study investigates mediating effects of household wealth and child age on links between farm production and child diets, as measured by production and intake of nutrient-dense food groups...
2017: PloS One
https://www.readbyqxmd.com/read/29145160/larval-development-ratio-test-with-the-calanoid-copepod-acartia-tonsa-as-a-new-bioassay-to-assess-marine-sediment-quality
#5
Isabella Buttino, Valentina Vitiello, Simona Macchia, Alice Scuderi, David Pellegrini
The copepod Acartia tonsa was used as a model species to assess marine sediment quality. Acute and chronic bioassays, such as larval development ratio (LDR) and different end-points were evaluated. As a pelagic species, A. tonsa is mainly exposed to water-soluble toxicants and bioassays are commonly performed in seawater. However, an interaction among A. tonsa eggs and the first larval stages with marine sediments might occur in shallow water environments. Here we tested two different LDR protocols by incubating A...
November 13, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29145051/towards-stressor-specific-macroinvertebrate-indices-which-traits-and-taxonomic-groups-are-associated-with-vulnerable-and-tolerant-taxa
#6
Elisabeth Berger, Peter Haase, Ralf B Schäfer, Andrea Sundermann
Monitoring of macroinvertebrate communities is frequently used to define the ecological health status of rivers. Ideally, biomonitoring should also give an indication on the major stressors acting on the macroinvertebrate communities supporting the selection of appropriate management measures. However, most indices are affected by more than one stressor. Biological traits (e.g. size, generation time, reproduction) could potentially lead to more stressor-specific indices. However, such an approach has rarely been tested...
November 13, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29143879/comparison-of-analytical-tools-appropriate-for-identification-of-proteinaceous-additives-in-historical-mortars
#7
Iva Krizova, Julia Schultz, Ivan Nemec, Radomir Cabala, Radovan Hynek, Stepanka Kuckova
Natural organic additives such as eggs, lard, resins, and oils have been added to mortars since ancient times, because the ancient builders knew of their positive effect on the mortar quality. The tradition of adding organic materials to mortars was commonly handed down only verbally for thousands years. However, this practice disappeared in the nineteenth century, when the usage of modern materials started. Today, one of the most recent topics in the industry of building materials is the reusing of natural organic materials and searching for the forgotten ancient recipes...
November 16, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29141965/food-groups-and-risk-of-hypertension-a-systematic-review-and-dose-response-meta-analysis-of-prospective-studies
#8
REVIEW
Lukas Schwingshackl, Carolina Schwedhelm, Georg Hoffmann, Sven Knüppel, Khalid Iqbal, Violetta Andriolo, Angela Bechthold, Sabrina Schlesinger, Heiner Boeing
The aim of this systematic review and meta-analysis was to summarize the evidence on the relation of the intakes of 12 major food groups, including whole grains, refined grains, vegetables, fruits, nuts, legumes, eggs, dairy, fish, red meat, processed meat, and sugar-sweetened beverages (SSBs) with the risk of hypertension. PubMed, Scopus, and Web of Science were searched systematically until June 2017 for prospective studies having quantitatively investigated the above-mentioned foods. We conducted meta-analysis on the highest compared with the lowest intake categories and linear and nonlinear dose-response meta-analyses to analyze the association...
November 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/29134458/animal-cell-expression-systems
#9
M Butler, Ing U Reichl
The glycan profile of therapeutic recombinant proteins such as monoclonal antibodies is a critical quality attribute, which affects the efficacy of the final product. The cellular glycosylation process during protein expression is dependent upon a number of factors such as the availability of substrates in the media, the intracellular content of nucleotide sugars, and the enzyme repertoire of the host cells. In order to control the variability of glycosylation it is important to understand the critical process parameters and their acceptable range of values to enable reproducible production of proteins with a predetermined glycan profile providing the desired biological function or therapeutic effect...
October 3, 2017: Advances in Biochemical Engineering/biotechnology
https://www.readbyqxmd.com/read/29132675/the-role-of-baked-egg-and-milk-in-the-diets-of-allergic-children
#10
REVIEW
Melissa L Robinson, Bruce J Lanser
Baked egg and baked milk are tolerated by most children who are allergic to hen's egg and cow's milk. Incorporating baked goods into the diets of allergic children may help them outgrow their primary allergy more quickly, with changes observed akin to immunotherapy. Benefits may also include increased quality of life and improved nutritional status. The search for a reliable biomarker to predict tolerance to baked goods is ongoing. Most children with a milk or egg allergy who are not previously tolerating egg or milk in baked goods should be offered an observed oral food challenge...
February 2018: Immunology and Allergy Clinics of North America
https://www.readbyqxmd.com/read/29130331/pasture-multi-enzymes-benzoic-acid-and-essential-oils-positively-influence-performance-intestinal-organ-weight-and-egg-quality-in-free-range-laying-hens
#11
Z Iqbal, J Roberts, R A Perez-Maldonado, F Goodarzi Boroojeni, R A Swick, I Ruhnke
1. The objective of this study was to investigate the effect of range type, multi-enzymes applications and a combination of benzoic acid and essential oils on the productive performance, organ weight and egg quality of free-range laying hens. 2. Three hundred laying hens were evaluated for the short-term (6 weeks) and long-term (12 weeks) effects of range type (G = no pasture, P = pasture) and feed additives (T1 = control; T2 = betaglucanse/pectinase/protease; T3 = benzoic acid/essential oils). Body weight, feed intake (FI), feed conversion ratio (FCR), egg production (EP), and digestive organs weight and egg quality (EQ) were evaluated...
November 13, 2017: British Poultry Science
https://www.readbyqxmd.com/read/29129115/innovative-layer-genetics-to-handle-global-challenges-in-egg-production
#12
R Preisinger
1. In commercial layer breeding, extensive gene pools are tested and selected for market requirements which must be anticipated at least five years ahead. Field results confirm a continuous positive genetic trend in egg output and better feed efficiency which can be converted into land savings. 2. Animal welfare and cage-free housing dominate future needs of the market. Nesting behaviour and minimal tendency to develop feather-pecking or cannibalism without beak treatment, are key trait complexes. Stronger shells for longer production cycles without moulting have to be combined with better bones...
November 13, 2017: British Poultry Science
https://www.readbyqxmd.com/read/29126906/development-and-characterization-of-an-organic-solvent-free-proliposomal-formulation-of-busulfan-using-quality-by-design-approach
#13
Dhawal Chobisa, Ketan Patel, Jasmin Monpara, Mayank Patel, Pradeep Vavia
Parenteral administration of Busulfan (BU) conquers the bioavailability and biovariability related issues of oral BU by maintaining the plasma drug concentration in therapeutic range with minimal fluctuations thereby significantly reducing the side effects. Busulfex(®) is the only commercially available parenteral formulation of BU composed of organic solvents N, N-dimethylacetamide and polyethylene glycol 400. Since, BU is highly susceptible to hydrolytic degradation; Busulfex(®) has poor physical and chemical stability in IV fluids...
November 7, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29126865/vitrification-of-dog-spermatozoa-effects-of-two-cryoprotectants-sucrose-or-trehalose-and-two-warming-procedures
#14
E Caturla-Sánchez, M J Sánchez-Calabuig, J F Pérez-Gutiérrez, J Cerdeira, C Castaño, J Santiago-Moreno
Sperm vitrification is a low cost and simple technique that does not require special equipment and may represent an attractive alternative to the costly and time consuming conventional dog spermatozoa cryopreservation techniques. The objective of this study was to evaluate different cryoprotectants and warming temperatures on the vitrification of dog spermatozoa. Pooled semen samples from 10 beagle dogs were vitrified with four extenders, based on Tris, citric acid and glucose, 20% egg yolk (TCG-20% EY) and different combinations of sucrose and/or trehalose: 250 mM sucrose; 250 mM trehalose; 125 mM sucrose + 125 mM trehalose; 250 mM sucrose + 250 mM trehalose...
November 7, 2017: Cryobiology
https://www.readbyqxmd.com/read/29126385/dilemma-between-health-and-environmental-motives-when-purchasing-animal-food-products-sociodemographic-and-nutritional-characteristics-of-consumers
#15
Sandrine Péneau, Philippine Fassier, Benjamin Allès, Emmanuelle Kesse-Guyot, Serge Hercberg, Caroline Méjean
BACKGROUND: Dietary guidelines in France give quantitative recommendations for intake of meat, fish and dairy products whereas consumers are increasingly concerned by the environmental impacts associated with the production of these foods. This potentially leads to consumer dilemmas when purchasing food products. The present study aimed at investigating the sociodemographic profiles of individuals reporting health and environmental dilemmas when purchasing meat, fish and dairy products, and comparing diet quality of individuals with and without dilemma...
November 10, 2017: BMC Public Health
https://www.readbyqxmd.com/read/29124460/medical-egg-freezing-the-importance-of-a-patient-centered-approach-to-fertility-preservation
#16
Marcia C Inhorn, Daphna Birenbaum-Carmeli, Lynn M Westphal, Joseph Doyle, Norbert Gleicher, Dror Meirow, Hila Raanani, Martha Dirnfeld, Pasquale Patrizio
PURPOSE: This binational qualitative study of medical egg freezing (MEF) examined women's motivations and experiences, including their perceived needs for patient-centered care in the midst of fertility- and life-threatening diagnoses. METHODS: Forty-five women who had undertaken MEF were interviewed in the USA (33 women) and in Israel (12 women) between June 2014 and August 2016. Interviews lasted approximately 1 h and were conducted by two senior medical anthropologists, one in each country...
November 9, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/29116706/effect-of-sperm-dna-fragmentation-on-embryo-development-clinical-and-biological-aspects
#17
Cristian Alvarez Sedó, Melina Bilinski, Daniela Lorenzi, Heydy Uriondo, Felicitas Noblía, Valeria Longobucco, Estefanía Ventimiglia Lagar, Florencia Nodar
OBJECTIVE: The aim of this study was to investigate the effect of sperm DNA fragmentation on fertilization rate, embryo development (blastulation rate), and pregnancy outcomes for ICSI cycles performed in a cohort of couples using donor eggs and to assess the remaining embryos that were not transferred or frozen for apoptotic markers. METHODS: Eighty-two women (egg recipients) were included in the study (2016) were included in the study. The recipients' mean age was 41...
November 8, 2017: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/29115887/effect-of-heat-stress-on-the-gene-expression-of-ion-transporters-channels-in-the-uterus-of-laying-hens-during-eggshell-formation
#18
Shahab Bahadoran, Amir Dehghani Samani, Hossein Hassanpour
Heat stress is a problem in laying hens as it decreases egg quality by decreasing eggshell mineralization. Heat stress alters gene expression, hence our aim was to investigate effects of heat stress on gene expression of ion transport elements involving in uterine mineralization (TRPV6, CALB1, ITPR3, SCNN1G, SLC4A4, KCNJ15, SLC4A9, and CLCN2) by real time quantitative PCR. Forty 23-week-old White Leghorn laying hens were housed in two rooms. The control group (n = 20) was maintained at 21-23 °C, and the heat stress group (n = 20) was exposed to 36-38 °C for 8 weeks...
November 8, 2017: Stress: the International Journal on the Biology of Stress
https://www.readbyqxmd.com/read/29113725/hormonal-induction-of-ovulation-using-ovaprim%C3%A2-d-arg-6-pro-9-net-sgnrh-domperidone-and-its-impact-on-embryonic-development-of-wild-caught-longspine-scraper-capoeta-trutta-heckel-1843
#19
Vahid Zadmajid, Rahman Mirzaee, Hamid Hoseinpour, Nazir Vahedi, Ian Anthony Ernest Butts
Knowledge of gamete quality is a prerequisite for developing techniques to fertilize eggs and rear offspring for hatchery production. Our objective was to develop assisted reproductive techniques, via hormonal induction of final oocyte maturation (FOM), for Longspine scraper, Capoeta trutta. Fish were administered injections of salmon gonadotropin-releasing hormone analogue containing anti-dopaminergic drug (Ovaprim™) or saline (control). Effects of Ovaprim on induction of ovulation, gamete quality, embryonic development, and larval survival were later examined with serum steroid hormone levels and ovarian histology...
October 23, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/29109909/estrogen-therapy-offsets-thermal-impairment-of-vitellogenesis-but-not-zonagenesis-in-maiden-spawning-female-atlantic-salmon-salmo-salar
#20
Kelli Anderson, Ned Pankhurst, Harry King, Abigail Elizur
In female Atlantic salmon (Salmo salar), exposure to warm summer temperatures causes a reduction in plasma 17β-estradiol (E2), which impairs downstream vitellogenesis and zonagenesis, and reduces egg fertility and embryo survival. The aim of the present study was to determine whether E2-treatment could offset thermal impairment of endocrine function and maintain egg quality in maiden (first-time-spawning) S. salar reared at 22 °C. Treatment with E2 at 22 °C stimulated vitellogenin (vtg) gene expression and subsequent protein synthesis which promoted oocyte growth and increased egg size relative to untreated fish at 14 and 22 °C...
2017: PeerJ
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