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https://www.readbyqxmd.com/read/28938792/gastrointestinal-microbial-population-of-turkey-meleagris-gallopavo-affected-by-hemorrhagic-enteritis-virus
#1
Sara D'Andreano, Armand Sànchez Bonastre, Olga Francino, Anna Cuscó Martí, Cristina Lecchi, Guido Grilli, Davide Giovanardi, Fabrizio Ceciliani
Hemorrhagic enteritis (HE) is an acute viral disease that affects avian species, particularly turkeys, compromising their commercial production and having a negative effect on animal welfare. Turkey adenovirus 3 (TAdV-3), is the main causal agent of the disease. In this study, we considered 3 groups of turkeys to achieve 2 purposes: 1) A preliminary investigation on the microbiota content in the 4 parts of healthy turkey's intestine (group A), namely duodenum, jejunum, ileum, and ceca was done; 2) an investigation on the relationship between natural infections with TAdV-3 and the intestinal microbiota in the jejunum, where HE mostly develops, comparing group A with animals with molecular positivity for the virus and with clinical signs of HE (group B) and animals with molecular positivity for the virus but without clinical signs (group C)...
October 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28938790/factors-affecting-adipose-tissue-development-in-chickens-a-review
#2
Guoqing Wang, Woo Kyun Kim, Mark A Cline, Elizabeth R Gilbert
The intense genetic selection for rapid growth in broilers has resulted in an increase in voluntary feed intake and growth rate, accompanied by increased fat deposition in adipose tissue depots throughout the body. Adipose tissue expansion is a result of the formation of adipocytes (several processes collectively referred to as adipogenesis) and cellular accumulation of triacylglycerols inside lipid droplets. In mammals, different anatomical depots are metabolically distinct. The molecular and cellular mechanisms underlying adipose tissue development have been characterized in mammalian models, whereas information in avian species is scarce...
October 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28938786/prediction-of-egg-freshness-during-storage-using-electronic-nose
#3
Samuel M Yimenu, J Y Kim, B S Kim
The aim of the present study was to investigate the potential of a fast gas chromatography (GC) e-nose for freshness discrimination and for prediction of storage time as well as sensory and internal quality changes during storage of hen eggs. All samples were obtained from the same egg production farm and stored at 20 °C for 20 d. Egg sampling was conducted every 0, 3, 6, 9, 12, 16, and 20 d. During each sampling time, 4 egg cartons (each containing 10 eggs) were randomly selected: one carton for Haugh units, one carton for sensory evaluation and 2 cartons for the e-nose experiment...
October 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28938784/immunocastration-as-an-alternative-to-caponization-evaluation-of-its-effect-on-body-and-bone-development-and-on-meat-color-and-composition
#4
M A G Quaresma, I C Antunes, M F Ribeiro, S Prazeres, R J B Bessa, P Martins da Costa
Caponization is associated with some morbidity and mortality, which contributes to important economic losses. This practice is executed without any pain relief (neither anesthesia nor analgesia) and can be painful and without consideration of animal welfare. On the other hand, immunocastration accomplished by Improvac and Bovipriva in pigs and cattle represents a noninvasive procedure, and for that reason is regarded as an alternative with improved animal welfare. This study includes 4 experimental groups consisting of capons, slips, roosters, and birds submitted to the Improvac treatment...
October 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28938781/differences-in-egg-nutrient-availability-and-embryo-development-in-white-layer-breeder-genotypes
#5
E E Onbasilar, M Kahraman, O Ahlat, Ö F Güngör, A Çalik, S Taban, S Yalçin
Because of consumers' preferences and also due to changes in production systems, the importance of pure breeds has increased again. There are a lot of differences among breeds which have been studied extensively, however, the differences during the incubation period are not yet fully known. Therefore, the present study was conducted to evaluate the composition of the egg parts, absorption of nutrients, and development of embryos from different genotypes. A total of 354 fresh hatching eggs were obtained from one hybrid (Lohman White, LW) and two pure breeds (Denizli and Gerze)...
October 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28938778/comparison-of-hatching-egg-characteristics-embryo-development-yolk-absorption-hatch-window-and-hatchability-of-pekin-duck-eggs-of-different-weights
#6
A Ipek, A Sozcu
This study was carried out to determine the hatching egg characteristics, embryo development and yolk absorption during incubation, hatch window, and hatchability of Pekin duck eggs of different weights. A total of 960 hatching eggs was obtained from a breeder flock 35 to 36 wk of age. The eggs were classed into 3 weight categories: "light" (L; <75 g), "medium" (M; 76 to 82 g), and "heavy" (H; >83 g). The albumen weight was the highest in the heavy eggs, whereas the yolk weight was higher in the medium and heavy eggs...
October 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28938774/evaluation-of-encapsulated-sodium-butyrate-on-growth-performance-energy-digestibility-gut-development-and-salmonella-colonization-in-broilers
#7
J D Liu, H O Bayir, D E Cosby, N A Cox, S M Williams, J Fowler
Two experiments were conducted to determine the effect of an encapsulated sodium butyrate (Na-B) with targeted releasing times on broiler performance, energy digestibility, intestinal morphology, and ceca Salmonella colonization. In experiment 1, 3 different Na-B products (CMA, CMP, and CMS) were evaluated following a challenge with a nalidixic acid-resistant Salmonella typhimurium (STNAR). Cobb-Cobb male birds were placed 8 per pen into 6 replicates for each treatment. Treatments included 6 Na-B treatments (500 and 1,000 ppm of each product) plus 2 control (non-challenged and challenged)...
October 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28938765/advanced-oxidation-process-sanitization-of-hatching-eggs-reduces-salmonella-in-broiler-chicks
#8
A C Rehkopf, J A Byrd, C D Coufal, T Duong
The microbial quality of eggs entering the hatchery is an important critical control point for biosecurity, pathogen reduction, and food safety programs in poultry production. Developing interventions to reduce Salmonella contamination of eggs is important to improving the microbial food safety of poultry and poultry products. The hydrogen peroxide (H2O2) and ultraviolet light (UV) Advanced Oxidation Process (AOP) has been previously demonstrated to be effective in reducing Salmonella on the surface of experimentally contaminated eggs...
October 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28938764/nutrient-composition-and-retention-in-whole-turkeys-with-and-without-added-solution
#9
J R Williams, J M Roseland, Q V Nguyen, J C Howe, K Y Patterson, P R Pehrsson, L D Thompson
Whole turkeys sold in retail outlets are typically processed with added solutions to improve their taste and tenderness. The purpose of this study was to evaluate the nutrient composition of whole turkeys with and without added solution, and to update the nutrient profile of turkey for the USDA National Nutrient Database for Standard Reference. Eleven pairs of turkeys with added solution were obtained from statistically representative retail outlets using a nationwide sampling plan developed for USDA's National Food and Nutrient Analysis Program; 4 pairs of turkeys without added solution were purchased from local food outlets...
October 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28938747/prevalence-of-endocrine-and-genetic-abnormalities-in-boys-evaluated-systematically-for-a-disorder-of-sex-development
#10
R Nixon, V Cerqueira, A Kyriakou, A Lucas-Herald, J McNeilly, M McMillan, A I Purvis, E S Tobias, R McGowan, S F Ahmed
STUDY QUESTION: What is the likelihood of identifying genetic or endocrine abnormalities in a group of boys with 46, XY who present to a specialist clinic with a suspected disorder of sex development (DSD)? SUMMARY ANSWER: An endocrine abnormality of the gonadal axis may be present in a quarter of cases and copy number variants (CNVs) or single gene variants may be present in about half of the cases. WHAT IS KNOWN ALREADY: Evaluation of 46, XY DSD requires a combination of endocrine and genetic tests but the prevalence of these abnormalities in a sufficiently large group of boys presenting to one specialist multidisciplinary service is unclear...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938746/women-s-career-priority-is-associated-with-attitudes-towards-family-planning-and-ethical-acceptance-of-reproductive-technologies
#11
Michael K Simoni, Lin Mu, Stephen C Collins
STUDY QUESTION: Do women who place high importance on career success have different perceptions of pregnancy planning, delayed reproduction, and the ethical acceptability of ART than women with less emphasis on their career? SUMMARY ANSWER: Career-focused women place more importance on pregnancy planning, have greater confidence in delayed childbearing, and are more ethically accepting of donor gamete ART than women who do not place as much importance on career success...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938739/sequence-variants-of-khdrbs1-as-high-penetrance-susceptibility-risks-for-primary-ovarian-insufficiency-by-mis-regulating-mrna-alternative-splicing
#12
Binbin Wang, Lin Li, Ying Zhu, Wei Zhang, Xi Wang, Beili Chen, Tengyan Li, Hong Pan, Jing Wang, Kehkooi Kee, Yunxia Cao
STUDY QUESTION: Does a novel heterozygous KHDRBS1 variant, identified using whole-exome sequencing (WES) in two patients with primary ovarian insufficiency (POI) in a pedigree, cause defects in mRNA alternative splicing? SUMMARY ANSWER: The heterozygous variant of KHDRBS1 was confirmed to cause defects in alternative splicing of many genes involved in DNA replication and repair. WHAT IS KNOWN ALREADY: Studies in mice revealed that Khdrbs1 deficient females are subfertile, which manifests as delayed sexual maturity and significantly reduced numbers of secondary and pre-antral follicles...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938738/resolution-of-infertility-and-number-of-children-1386-couples-followed-for-a-median-of-13-years
#13
A A Righarts, A Gray, N P Dickson, L Parkin, W R Gillett
STUDY QUESTION: How common were children among infertile couples? SUMMARY ANSWER: A total of 61.7% of infertile couples presenting for care subsequently had live born children 13.1 years after first being clinically assessed, with a mean of 1.7 children among those who had at least one. WHAT IS KNOWN ALREADY: While the prognoses for infertile couples undertaking specific treatments have been well described, less is known about those not undergoing these treatments or the total number of children...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938734/hyperspectral-microscopy-can-detect-metabolic-heterogeneity-within-bovine-post-compaction-embryos-incubated-under-two-oxygen-concentrations-7-versus-20
#14
Melanie L Sutton-McDowall, Martin Gosnell, Ayad G Anwer, Melissa White, Malcolm Purdey, Andrew D Abell, Ewa M Goldys, Jeremy G Thompson
STUDY QUESTION: Can we separate embryos cultured under either 7% or 20% oxygen atmospheres by measuring their metabolic heterogeneity? SUMMARY ANSWER: Metabolic heterogeneity and changes in metabolic profiles in morula exposed to two different oxygen concentrations were not detectable using traditional fluorophore and two-channel autofluorescence but were detectable using hyperspectral microscopy. WHAT IS KNOWN ALREADY: Increased genetic and morphological blastomere heterogeneity is associated with compromised developmental competence of embryos and currently forms the basis for embryo scoring within the clinic...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938731/the-importance-of-genetic-parenthood-for-infertile-men-and-women
#15
S Hendriks, K Peeraer, H Bos, S Repping, E A F Dancet
STUDY QUESTION: Do men and women beginning to attend a fertility clinic prefer genetic over non-genetic parenthood? SUMMARY ANSWER: Nearly, all infertile men and women prefer genetic parenthood. WHAT IS KNOWN ALREADY: Clinicians assume that all infertile couples prefer genetic parenthood over non-genetic parenthood and, therefore, consider treatments with donor gametes an option of last resort. Previous studies of the desire for parenthood identified 30 motivations for genetic parenthood, and 51 motivations for which having a genetically related child is not strictly necessary but might be deemed required...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938728/modeling-of-live-birth-rates-and-cost-effectiveness-of-oocyte-cryopreservation-for-cancer-patients-prior-to-high-and-low-risk-gonadotoxic-chemotherapy
#16
B Lyttle Schumacher, N Grover, T Mesen, A Steiner, J Mersereau
STUDY QUESTION: What is the live-birth rate (LBR) and cost-effectiveness of fertility preservation with oocyte cryopreservation (FP-OC) compared to expectant management in cancer patients age 25-40 based on estimated gonadotoxicity of treatments 5 years after cancer diagnosis? SUMMARY ANSWER: Oocyte cryopreservation prior to cancer treatment is more costly, yet more effective (producing more live births), than not undergoing oocyte cryopreservation but it is most beneficial for patients undergoing high-risk chemotherapy (HRC)...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938720/deep-whole-genome-sequencing-of-90-han-chinese-genomes
#17
Tianming Lan, Haoxiang Lin, Wenjuan Zhu, Tellier Christian Asker Melchior Laurent, Mengcheng Yang, Xin Liu, Jun Wang, Jian Wang, Huanming Yang, Xun Xu, Xiaosen Guo
Next-generation sequencing provides a high-resolution insight into human genetic information. However, the focus of previous studies has primarily been on low-coverage data due to the high cost of sequencing. Although the 1000 Genomes Project and the Haplotype Reference Consortium have both provided powerful reference panels for imputation, low-frequency and novel variants remain difficult to discover and call with accuracy on the basis of low-coverage data. Deep sequencing provides an optimal solution for the problem of these low-frequency and novel variants...
September 1, 2017: GigaScience
https://www.readbyqxmd.com/read/28938712/invited-commentary-the-need-for-cognitive-science-in-methodology
#18
Sander Greenland
There is no complete solution for the problem of abuse of statistics, but methodological training needs to cover cognitive biases and other psychosocial factors affecting inferences. The present paper discusses 3 common cognitive distortions: 1) dichotomania, the compulsion to perceive quantities as dichotomous even when dichotomization is unnecessary and misleading, as in inferences based on whether a P value is "statistically significant"; 2) nullism, the tendency to privilege the hypothesis of no difference or no effect when there is no scientific basis for doing so, as when testing only the null hypothesis; and 3) statistical reification, treating hypothetical data distributions and statistical models as if they reflect known physical laws rather than speculative assumptions for thought experiments...
September 15, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28938703/evaluation-of-thromboelastometry-parameters-as-predictive-markers-for-sinusoidal-obstruction-syndrome-in-patients-undergoing-allogeneic-stem-cell-transplantation-for-acute-leukaemia
#19
Joanna Rupa-Matysek, Lidia Gil, Ewelina Wojtasińska, Zuzanna Kanduła, Adam Nowicki, Magdalena Matuszak, Mieczysław Komarnicki
Hepatic sinusoidal obstruction syndrome (previously named veno-occlusive disease, SOS/VOD) is a serious complication of allogeneic stem cell transplantation (HSCT). Early identification of patients at risk of SOS/VOD may possibly improve the outcome and reduce mortality. Rotation thromboelastometry (ROTEM) is global assay allowing for the precise assessment of both bleeding and thrombotic conditions, however, its usefulness in patients undergoing HSCT for acute leukaemia has not been studied. We evaluated the thromboelastometry parameters in patients undergoing allogeneic HSCT for acute leukaemia to identify candidate biomarkers of SOS/VOD occurrence...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938698/a-systematic-review-of-malignancy-associated-hemophagocytic-lymphohistiocytosis-that-needs-more-attentions
#20
REVIEW
Hongluan Wang, Lixia Xiong, Weiping Tang, Ying Zhou, Fei Li
As an infrequent but potentially life-threatening hyperinflammatory syndrome, hemophagocytic lymphohistiocytosis (HLH) is clinically characterized with prolonged fever, hepatosplenomegaly, cytopenia, hypertriglyceridemia, hyperferritinemia and hemophagocytosis in bone marrow, liver, spleen or lymph nodes. Malignancy-associated HLH (M-HLH), one type of acquired HLH, usually presents variable overlaps of symptoms with other types of HLH, thus resulting in higher incidence of misdiagnosis and mortality. In recent years, with the increasing awareness to this disease, the diagnosis and management of HLH have gained more and more attention, and improvements have been made accordingly...
August 29, 2017: Oncotarget
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