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https://www.readbyqxmd.com/read/27921519/different-responses-of-drosophila-subobscura-isofemale-lines-to-extremely-low-frequency-magnetic-field-50%C3%A2-hz-0-5%C3%A2-mt-fitness-components-and-locomotor-activity
#1
Danica Zmejkoski, Branka Petković, Sofija Pavković-Lučić, Zlatko Prolić, Marko Anđelković, Tatjana Savić
PURPOSE: Extremely low frequency (ELF) magnetic fields as essential ecological factor may induce specific responses in genetically different lines. The subject of this study was to investigate the impact of ELF magnetic field on fitness components and locomotor activity of five Drosophila subobscura isofemale (IF) lines. MATERIALS AND METHODS: Each D. subobscura IF line, arbitrarily named: B16/1, B24/4, B39/1, B57/2 and B69/5, was maintained in five full-sib inbreeding generations...
December 6, 2016: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/27921298/female-induced-remote-regulation-of-sperm-physiology-may-provide-opportunities-for-gamete-level-mate-choice
#2
Jukka Kekäläinen, Jonathan P Evans
In sedentary externally fertilizing species, direct interactions between mating partners are limited and pre-fertilization communication between sexes occur largely at the gamete level. Certain combinations of eggs and sperm often have higher fertilization success than others, which may be contingent on egg-derived chemical factors that preferentially attract sperm from compatible males. Here, we examine the mechanisms underlying such effects in the marine mussel Mytilus galloprovincialis, where differential sperm attraction has recently been shown to be associated with variation in offspring viability...
December 6, 2016: Evolution; International Journal of Organic Evolution
https://www.readbyqxmd.com/read/27920409/prevalence-of-igg-mediated-food-intolerance-among-patients-with-allergic-symptoms
#3
Zahid Shakoor, Abrar AlFaifi, Bayan AlAmro, Lama Nabil AlTawil, Rana Yazid AlOhaly
BACKGROUND: Food intolerance mediated by food specific IgG antibodies has been implicated in a variety of disorders. OBJECTIVES: To assess the prevalence of food specific IgG antibodies among patients clinically presenting with allergic symptoms lacking laboratory evidence of allergy. DESIGN: Descriptive retrospective cross-sectional study. SETTING: King Khalid University Hospital, Riyadh between 2010-2015. PATIENTS AND METHODS: Patients were screened for food specific IgG antibodies...
November 2016: Annals of Saudi Medicine
https://www.readbyqxmd.com/read/27920198/effects-of-breeder-age-strain-and-eggshell-temperature-on-nutrient-metabolism-of-broiler-embryos
#4
A Nangsuay, R Meijerhof, I van den Anker, M J W Heetkamp, B Kemp, H van den Brand
Breeder age and broiler strain influence the availability of nutrients and oxygen through yolk size and eggshell conductance, and the effects of these egg characteristics on nutrient metabolism might be influenced by eggshell temperature (EST). This study aims to determine effects of breeder age, strain, and EST on nutrient metabolism of embryos. A study was designed as a 2 × 2 × 2 factorial arrangement using four batches of in total 4,464 hatching eggs of 2 flock ages at 29 to 30 wk (young) and 54 to 55 wk (old) of Ross 308 and Cobb 500...
December 5, 2016: Poultry Science
https://www.readbyqxmd.com/read/27920197/supplementation-of-fine-and-coarse-limestone-in-different-ratios-in-a-split-feeding-system-effects-on-performance-egg-quality-and-bone-strength-in-old-laying-hens
#5
A Molnár, L Maertens, B Ampe, J Buyse, J Zoons, E Delezie
Different ratios of fine- (FL) and coarse limestone (CL) were compared (50FL:50CL, 30FL:70CL, 0FL:100CL) in conventional (C) and split feeding (S) for their effects on performance, egg quality traits, and bone quality of old, brown laying hens (72 to 83 wk). Each treatment consisted of 42 hens (7 hens × 6 replicates). In the C system diets supplemented with limestone were provided during the whole day, whereas in the S system a morning diet was fed without added limestone, and only the afternoon diet was supplemented with different limestone ratios...
December 5, 2016: Poultry Science
https://www.readbyqxmd.com/read/27920194/experimental-validation-of-the-avivet-trap-a-tool-to-quantitatively-monitor-the-dynamics-of-dermanyssus-gallinae-populations-in-laying-hens
#6
G A Lammers, R G G Bronneberg, J C M Vernooij, J A Stegeman
Dermanyssus gallinae (D.gallinae) infestation causes economic losses due to impaired health and production of hens and costs of parasite control across the world. Moreover, infestations are associated with reduced welfare of hens and may cause itching in humans. To effectively implement control methods it is crucially important to have high quality information about the D.gallinae populations in poultry houses in space and time. At present no validated tool is available to quantitatively monitor the dynamics of all four stages of D...
December 5, 2016: Poultry Science
https://www.readbyqxmd.com/read/27920191/effect-of-in-ovo-injection-of-raffinose-on-growth-performance-and-gut-health-parameters-of-broiler-chicken
#7
J D Berrocoso, R Kida, A K Singh, Y S Kim, R Jha
The effects of in ovo injection of raffinose (RFO) as a prebiotic on growth performance, relative weight of proventriculus, gizzard, drumstick and breast muscles, and ileum mucosa morphology were examined in Cobb 500 broilers. A total of 240 fertilized eggs were divided into 4 groups: a non-injected with intact shell and 3 levels of RFO solution (1.5, 3.0, and 4.5 mg in 0.2 mL of an aqueous diluents). The RFO solution was injected into the air sac on d 12 of incubation. In total 144 birds were fed a standard diet and management and sacrificed at d 21 post hatch for collection of samples...
December 5, 2016: Poultry Science
https://www.readbyqxmd.com/read/27920190/evaluation-of-chlorine-dioxide-based-product-as-a-hatchery-sanitizer
#8
P Maharjan, S Cox, U Gadde, F D Clark, K Bramwell, S E Watkins
Formaldehyde is commonly used to overcome contaminants introduced by hatching eggs or water supply in the hatcher cabinets. However, health risks associated with its use make economical alternatives important. This project evaluated a chlorine dioxide based product (CDBP) (0.3% concentrate) as a hatchery sanitizer in decontaminating microbial populations on the shell surface of hatching eggs (>18 d old), as well as its impact on hatchability and chick performance. Hatchers (0.20 m(2)) designed to hold approximately 50 eggs and equipped with circulation fans, heaters, and thermostats were used for the evaluation...
December 5, 2016: Poultry Science
https://www.readbyqxmd.com/read/27920160/supressor-of-frigida-suf4-supports-gamete-fusion-via-regulating-arabidopsis-ec1-gene-expression
#9
Francesca Resentini, Philippe Cyprys, Joshua G Steffen, Svenja Alter, Pietro Angelo Morandini, Chiara Mizzotti, Alan Lloyd, Gary N Drews, Thomas Dresselhaus, Lucia Colombo, Stefanie Sprunck, Simona Masiero
The EC1 gene family of Arabidopsis thaliana comprises five members that are specifically expressed in the egg cell and redundantly control gamete fusion during double fertilization. We investigated the activity of all five EC1 promoters in promoter-deletion studies and identified SUF4 (SUPPRESSOR OF FRIGIDA 4), a C2H2 transcription factor, as a direct regulator of the EC1 gene expression. In particular, we demonstrated that SUF4 binds to all five Arabidopsis EC1 promoters, thus regulating their expression. The down regulation of SUF4 in homozygous suf4-1 ovules results in reduced EC1 expression and delayed sperm fusion, which can be rescued by expressing SUF4-GUS under control of the SUF4 promoter...
December 5, 2016: Plant Physiology
https://www.readbyqxmd.com/read/27918906/diet-and-the-risk-of-head-and-neck-cancer-among-never-smokers-and-smokers-in-a-chinese-population
#10
Carrie Butler, Yuan-Chin Amy Lee, Shuang Li, Qian Li, Chien-Jen Chen, Wan-Lun Hsu, Pen-Jen Lou, Cairong Zhu, Jian Pan, Hongbing Shen, Hongxia Ma, Lin Cai, Baochang He, Yu Wang, Xiaoyan Zhou, Qinghai Ji, Baosen Zhou, Wei Wu, Jie Ma, Paolo Boffetta, Zuo-Feng Zhang, Min Dai, Mia Hashibe
BACKGROUND: Few studies have been conducted in China to investigate the association between diet and the risk of head-and-neck cancer (HNC). The aim of this study was to determine the relationship between diet and HNC risk in the Chinese population and to examine whether smoking status has any effect on the risk. METHODS: Our multicenter case-control study included 921 HNC cases and 806 controls. We obtained information on the frequency of both animal- and plant-based food consumption...
December 2, 2016: Cancer Epidemiology
https://www.readbyqxmd.com/read/27918611/moisture-absorption-and-water-dynamics-in-the-powder-of-egg-albumen-peptide-met-pro-asp-ala-his-leu
#11
Shuailing Yang, Xuye Liu, Mingdi Zhang, Songyi Lin, Feng Chen
Moisture absorbed into the powder of Met-Pro-Asp-Ala-His-Leu (MPDAHL)-a novel egg albumen antioxidant peptide-profoundly affects its properties. In this study, we elucidated water dynamics in MPDAHL using DVS, DSC, and low-field (1) H NMR. Based on the DVS data, we found that MPDAHL sorption kinetics obey a parallel exponential model. DSC results indicated that both water and heating could change the microstructure of MPDAHL. The T2 parameters of NMR reflected the different phases of moisture absorption revealed that there were 4 categories of water with different states or mobility in the MPDAHL during the moisture absorption process...
December 5, 2016: Journal of Food Science
https://www.readbyqxmd.com/read/27918418/insecticide-effect-of-zeolites-on-the-tomato-leafminer-tuta-absoluta-lepidoptera-gelechiidae
#12
Caroline De Smedt, Veerle Van Damme, Patrick De Clercq, Pieter Spanoghe
(1) Background: The tomato leafminer Tuta absoluta (Lepidoptera: Gelechiidae) is a key tomato insect pest. At present, it is considered to be a serious threat in various countries in Europe, North Africa, and Middle East. The extensive use and the developed resistance of T. absoluta to spinosad causes some concern, which leads to the need for alternative products. (2) Materials and Methods: Several laboratory experiments were conducted to investigate the ovicidal properties of a zeolite particle film on T. absoluta...
December 2, 2016: Insects
https://www.readbyqxmd.com/read/27918417/efficacy-of-nitric-oxide-fumigation-for-controlling-codling-moth-in-apples
#13
Yong-Biao Liu, Xiangbing Yang, Gregory Simmons
Nitric oxide (NO) fumigation under ultralow oxygen (ULO) conditions was studied for its efficacy in controlling codling moth and effects on postharvest quality of apples. NO fumigation was effective against eggs and larvae of different sizes on artificial diet in 48 h treatments. Small larvae were more susceptible to nitric oxide than other stages at 0.5% NO concentration. There were no significant differences among life stages at 1.0% to 2.0% NO concentrations. In 24 h treatments of eggs, 3.0% NO fumigation at 2 °C achieved 100% egg mortality...
December 2, 2016: Insects
https://www.readbyqxmd.com/read/27918412/eggs-and-health-special-issue
#14
EDITORIAL
Maria Luz Fernandez
In 1968, the American Heart Association recommended the consumption of no more than 300 mg/day of dietary cholesterol and emphasized that no more than 3 eggs should be eaten per week, resulting in substantial reductions in egg consumption, not just by diseased populations but alsobyhealthyindividuals,andmoreimportantlybypoorcommunitiesinundevelopedcountieswho were advised against consuming a highly nutritious food.[...].
December 2, 2016: Nutrients
https://www.readbyqxmd.com/read/27917847/poultry-products-enriched-with-nutricines-have-beneficial-effects-on-human-health
#15
Gordana Kralik, Zlata Kralik
The paper presents nutritive value of broiler meat and table eggs, as these animal products are used for human nutrition on a daily basis. In the Republic of Croatia, average consumption of poultry meat amounts to 18.3 kg and to 160 eggs per capita.The most quality parts of broiler carcass are breasts and drumsticks with thighs. Breast muscles contain 21-23% protein, 1.90-1.97% fat, 75.28-76.01% water and 0.74-0.77% collagen. Thigh muscles contain 4.70-6.05% fat, 19.03-19.93% protein and 0.91-1.13% collagen...
February 1, 2017: Medicinski Glasnik
https://www.readbyqxmd.com/read/27917504/constructing-and-enacting-kinship-in-sister-to-sister-egg-donation-families-a-multi-family-member-interview-study
#16
Hanna Van Parys, Veerle Provoost, Kristin Zeiler, Petra De Sutter, Guido Pennings, Ann Buysse
Although intra-familial egg donation has been practiced for more than 15 years in several countries, little is known about family relationships in this family type. Framed within the new kinship studies, this article focuses on the experiential dimension of kinship in sister-to-sister egg donation families: how is kinship 'unpacked' and 'reconstructed' in this specific family constellation? Qualitative data analysis of interviews with receiving parents, their donating sisters and the donor children revealed six themes: (1) being connected as an extended family; (2) disambiguating motherhood; (3) giving and receiving as structuring processes; (4) acknowledging and managing the 'special' link between donor and child; (5) making sense of the union between father and donor; and (6) kinship constructions being challenged...
December 5, 2016: Sociology of Health & Illness
https://www.readbyqxmd.com/read/27917321/effects-of-arachidonic-acid-supplementation-in-maturation-diet-on-female-reproductive-performance-and-larval-quality-of-giant-river-prawn-macrobrachium-rosenbergii
#17
Chanpim Kangpanich, Jarunan Pratoomyot, Nisa Siranonthana, Wansuk Senanan
The giant river prawn (Macrobrachium rosenbergii) is one of the most farmed freshwater crustaceans in the world. Its global production has been stalling in the past decade due to the inconsistent quality of broodstock and hatchery-produced seeds. A better understanding of the role of nutrition in maturation diets will help overcome some of the production challenges. Arachidonic acid (20:4 n-6, ARA) is a fatty acid precursor of signaling molecules important for crustacean reproduction, prostaglandins E and F of the series II (PGE2 and PGF2α), and is often lacking in maturation diets of shrimp and prawns...
2016: PeerJ
https://www.readbyqxmd.com/read/27916895/validation-of-folate-enriched-eggs-as-a-functional-food-for-improving-folate-intake-in-consumers
#18
Leslie Altic, Helene McNulty, Leane Hoey, Liadhan McAnena, Kristina Pentieva
Functional foods enriched with folate may be beneficial as a means of optimizing folate status in consumers. We recently developed novel eggs enriched with folate through folic acid supplementation of the hen's feed, but their potential to influence consumer folate status is unknown because the natural folate forms incorporated into the eggs may not necessarily be retained during storage and cooking. This study aimed to determine the stability of natural folates in folate-enriched eggs under typical conditions of storage and cooking...
November 30, 2016: Nutrients
https://www.readbyqxmd.com/read/27916703/oogenesis_pred-a-sequence-based-method-for-predicting-oogenesis-proteins-by-six-different-modes-of-chou-s-pseudo-amino-acid-composition
#19
Maryam Rahimi, Mohammad Reza Bakhtiarizadeh, Abdollah Mohammadi-Sangcheshmeh
Regarding to critical roles of oogenesis in formation of ova or unfertilized eggs from the oogonia by mitotic division and subsequent differentiation, the identification of oogenesis-related proteins is of great interest. However, the experimental determination of proteins involved in oogenesis is expensive, time consuming and labor-intensive. Therefore, a new powerful discriminating model is indispensable for classifying oogenesis/non-oogenesis-related proteins with high accuracy and precision. Hereby, for the first time we developed a support vector machine based oogenesis protein prediction method which differentiates oogenesis from non-oogenesis proteins...
December 1, 2016: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/27915270/chemoprevention-of-spontaneous-ovarian-cancer-in-the-domestic-hen
#20
E H Mocka, R A Stern, O J Fletcher, K E Anderson, J N Petitte, P E Mozdziak
The hen is an attractive animal model for in vivo testing of agents that thwart ovarian carcinogenesis because ovarian cancer in the domestic hen features clinical and molecular alterations that are similar to ovarian cancer in humans, including a high incidence of p53 mutations. The objective of the study was to test the potential ovarian cancer chemopreventive effect of the p53 stabilizing compound CP-31398 on hens that spontaneously present the ovarian cancer phenotype. Beginning at 79 wk of age, 576 egg-laying hens (Gallus domesticus) were randomized to diets containing different amounts of CP-31398 for 94 wk, 5 d, comprising a control group (C) (n = 144), which was fed a diet containing 0 ppm (mg/kg) of CP-31398; a low-dose treatment (LDT) group (n = 144), which was fed a diet containing 100 ppm of CP-31398; a moderate-dose treatment (MDT) group (n = 144) which was fed a diet containing 200 ppm of CP-31398; and a high-dose treatment (HDT) group (n = 144), which was fed a diet containing 300 ppm of CP-31398...
December 3, 2016: Poultry Science
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