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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
#1
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/28938771/comparative-estimation-of-inevitable-endogenous-ileal-flow-of-amino-acids-in-pekin-ducks-under-varying-dietary-or-physiological-conditions-and-their-significance-to-nutritional-requirements-for-amino-acids
#2
D O Akinde
In 2 experiments in Pekin ducks the inevitable endogenous ileal flow (IEIF) of AA was estimated at changing intake and source of crude fiber (CF) or soybean oil (SO) level. Also the roles of dry matter intake (DMI) and BW or age as well as the proportion of IEIF in the dietary requirement for AA were studied. In experiment 1 three basal CP (20, 60, or 100 g/kg) diets were formulated containing a low CF (LCF, 30 g/kg) or high (HCF, 80 g/kg) level; achieved with cellulose supplementation. All diets were similar in every other respect including having SO content of 40 g/kg...
October 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28935554/putative-new-genera-and-species-of-avian-schistosomes-potentially-involved-in-human-cercarial-dermatitis-in-the-americas-europe-and-africa
#3
Hudson A Pinto, Eduardo A Pulido-Murillo, Alan L de Melo, Sara V Brant
New larval avian schistosomes found in planorbid snails from Brazil and USA were used for morphological and molecular studies. Eggs with a distinctive long polar filament were found in ducks infected experimentally with Brazilian cercariae. Similar eggs were reported previously in wild or experimentally infected anatids from Brazil, South Africa, and the Czech Republic. Molecular phylogenetic analyses showed that the North American and European schistosomes are sister taxa, which are both sister to the Brazilian species...
September 18, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28934348/antimicrobial-resistance-in-clinical-escherichia-coli-isolates-from-poultry-and-livestock-china
#4
Afrah Kamal Yassin, Jiansen Gong, Patrick Kelly, Guangwu Lu, Luca Guardabassi, Lanjing Wei, Xiangan Han, Haixiang Qiu, Stuart Price, Darong Cheng, Chengming Wang
Poultry and livestock are the most important reservoirs for pathogenic Escherichia coli and use of antimicrobials in animal farming is considered the most important factor promoting the emergence, selection and dissemination of antimicrobial-resistant microorganisms. The aim of our study was to investigate antimicrobial resistance in E. coli isolated from food animals in Jiangsu, China. The disc diffusion method was used to determine susceptibility to 18 antimicrobial agents in 862 clinical isolates collected from chickens, ducks, pigs, and cows between 2004 and 2012...
2017: PloS One
https://www.readbyqxmd.com/read/28932656/oxygen-rich-lithium-oxide-phases-formed-at-high-pressure-for-potential-lithium-air-battery-electrode
#5
Wenge Yang, Duck Young Kim, Liuxiang Yang, Nana Li, Lingyun Tang, Khalil Amine, Ho-Kwang Mao
The lithium-air battery has great potential of achieving specific energy density comparable to that of gasoline. Several lithium oxide phases involved in the charge-discharge process greatly affect the overall performance of lithium-air batteries. One of the key issues is linked to the environmental oxygen-rich conditions during battery cycling. Here, the theoretical prediction and experimental confirmation of new stable oxygen-rich lithium oxides under high pressure conditions are reported. Three new high pressure oxide phases that form at high temperature and pressure are identified: Li2O3, LiO2, and LiO4...
September 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28931933/buckling-structured-stretchable-pseudocapacitor-yarn
#6
Duck Weon Lee, Jung Han Lee, Nam Ki Min, Joon-Hyung Jin
Cable-type stretchable electrochemical pseudocapacitors based on multi-walled carbon nanotube (MWCNT) sheets and two different metal oxide nanopowders (NP), i.e., MnO2 and RuO2 are developed using a newly-devised dry painting method to mechanically fix the NP to the elastic rubber-based MWCNT electrode substrate, resulting in a porous buckling structured pseudocapacitor yarn. Highly stretchable stylene-ethylene/butylene-stylene (SEBS) is used as the supporting elastomeric core for wrapping with the MWCNT sheets and the electroactive NP...
September 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28931412/molecular-characterization-of-the-duck-enteritis-virus-us10-protein
#7
Daixi Zhang, Maoyin Lai, Anchun Cheng, Mingshu Wang, Ying Wu, Qiao Yang, Mafeng Liu, Dekang Zhu, Renyong Jia, Shun Chen, Kunfeng Sun, Xinxin Zhao, Xiaoyue Chen
BACKGROUND: There is little information regarding the duck enteritis virus (DEV) US10 gene and its molecular characterization. METHODS: Duck enteritis virus US10 was amplified and cloned into the recombinant vector pET32a(+). The recombinant US10 protein was expressed in Escherichia coli BL21 cells and used to immunize rabbits for the preparation of polyclonal antibodies. The harvested rabbit antiserum against DEV US10 was detected and analyzed by agar immunodiffusion...
September 20, 2017: Virology Journal
https://www.readbyqxmd.com/read/28930087/detection-of-amphibian-chytrid-fungus-on-waterfowl-integument-in-natural-settings
#8
Shane M Hanlon, Jerad R Henson, Jacob L Kerby
The chytrid fungus Batrachochytrium dendrobatidis (Bd), the causal agent of the amphibian disease chytridiomycosis, has spread at an alarming rate since its discovery. Bd was initially thought to only infect keratinizing epithelial cells in amphibians, a core component of amphibian skin. However, recent studies have detected Bd on the integument of non-amphibian hosts. We conducted a survey of 3 duck species (gadwalls, green-winged teals, and mallards) to determine whether Bd DNA could be found on their feet...
September 20, 2017: Diseases of Aquatic Organisms
https://www.readbyqxmd.com/read/28927474/first-detection-and-characterization-of-salmonella-spp-in-poultry-and-swine-raised-in-backyard-production-systems-in-central-chile
#9
R Alegria-Moran, D Rivera, V Toledo, A I Moreno-Switt, C Hamilton-West
Little is known about Salmonella serovars circulating in backyard poultry and swine populations worldwide. Backyard production systems (BPS) that raise swine and/or poultry are distributed across Chile, but are more heavily concentrated in central Chile, where industrialized systems are in close contact with BPS. This study aims to detect and identify circulating Salmonella serovars in poultry and swine raised in BPS. Bacteriological Salmonella isolation was carried out for 1744 samples collected from 329 BPS in central Chile...
September 20, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28926139/the-synonymous-nucleotide-substitution-rhd-1056c-g-alters-mrna-splicing-associated-with-serologically-weak-d-phenotype
#10
Sejong Chun, Jae Won Yun, Geon Park, Duck Cho
BACKGROUND: D antigen is one of the most clinically significant blood group antigens. Variation of the RHD gene can cause weak D or partial D phenotypes. While most variations are missense substitutions with amino acid changes, those without are called "silent" or "synonymous" substitutions. Synonymous substitutions often have little effect on the protein, not altering the phenotype. However, effect on splicing can affect end-product protein. We report a new synonymous variation, RHD 1056C>G, that resulted in weak D phenotype, and predicted its effect with various in silico methods...
September 19, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28925799/factors-associated-with-marijuana-use-and-problems-among-college-students-in-colorado
#11
Kristina T Phillips, Michael M Phillips, Kerry D Duck
BACKGROUND: Past studies have shown that heavy marijuana use can impact student outcomes. Frequent use and misuse of marijuana have been associated with a range of psychological and personality factors in young adults, but there has been limited research focused on the college environment in states where marijuana has been legalized for recreational purposes. OBJECTIVES: We examined whether marijuana use and problems were associated with a range of demographic, personality, and psychological variables among college students at a midsized Colorado university...
September 19, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28922026/characterization-of-quinolone-resistance-in-salmonella-enterica-from-farm-animals-in-china
#12
Ting-Ting Cao, Guo-Hui Deng, Liang-Xing Fang, Run-Shi Yang, Jian Sun, Ya-Hong Liu, Xiao-Ping Liao
This study was focused on the prevalence and antimicrobial susceptibilities of Salmonella directly isolated at animal clinics in Guangdong, People's Republic of China. The isolation rates from chickens, ducks, and pigs were 11.3% (11 of 97 samples), 15.4% (53 of 344 samples), and 3.0% (13 of 434 samples), respectively. Among the 77 Salmonella enterica isolates, the most predominant serovar was Typhimurium (81.8%, 63 isolates), followed by serovars Meleagridis (2.6%, 2 isolates) and Abaetetuba (1.3%, 1 isolate)...
September 18, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28919146/m%C3%A3-llerian-agenesis-in-cat-eye-syndrome-and-22q11-chromosome-abnormalities-a-case-report-and-literature-review
#13
Abdulmajeed AlSubaihin, John VanderMeulen, Kate Harris, John Duck, Elizabeth McCready
BACKGROUND: Although Müllerian agenesis is the second most common cause of primary amenorrhea the underlying etiology in the majority of cases is unknown. Müllerian agenesis has been reported as a rare finding associated with chromosomal aberrations of the 22q11 chromosomal region including at least one individual with cat eye syndrome (CES) and 10 individuals with deletions or duplications of the 22q11.2 region. However, a potential link between 22q11 abnormalities and uterine malformations has been difficult to adequately ascertain given the limited case reports in the literature...
September 14, 2017: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/28919133/transfer-parameters-for-icrp-s-reference-animals-and-plants-in-a-terrestrial-mediterranean-ecosystem
#14
J Guillén, N A Beresford, A Baeza, M Izquierdo, M D Wood, A Salas, A Muñoz-Serrano, J M Corrales-Vázquez, J G Muñoz-Muñoz
A system for the radiological protection of the environment (or wildlife) based on Reference Animals and Plants (RAPs) has been suggested by the International Commission on Radiological Protection (ICRP). To assess whole-body activity concentrations for RAPs and the resultant internal dose rates, transfer parameters are required. However, transfer values specifically for the taxonomic families defined for the RAPs are often sparse and furthermore can be extremely site dependent. There is also a considerable geographical bias within available transfer data, with few data for Mediterranean ecosystems...
September 14, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28918072/development-of-a-duplex-semi-nested-pcr-assay-for-detection-of-classical-goose-parvovirus-and-novel-goose-parvovirus-related-virus-in-sick-or-dead-ducks-with-short-beak-and-dwarfism-syndrome
#15
Pengfei Li, Ruihua Zhang, Junhao Chen, Dapeng Sun, Jingjing Lan, Shaoli Lin, Shasha Song, Zhijing Xie, Shijin Jiang
Duck short beak and dwarfism syndrome (SBDS) is an emerging infectious disease caused by a novel goose parvovirus-related virus (NGPV) in China. Until now, it remains uncertain whether the Cherry Valley ducks and mule ducks with SBDS are co-infected with classical goose parvovirus (GPV) and NGPV. In this study, a duplex semi-nested PCR assay with high specificity and sensitivity was developed for detection of the two viruses. Using the duplex PCR assay, NGPV was tested positive in all the 15 duck flocks with SBDS, whereas classical GPV was not detected in all the 133 sick and dead ducks collected from East China...
September 14, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28918011/nucleic-acid-polymers-with-accelerated-plasma-and-tissue-clearance-for-chronic-hepatitis-b-therapy
#16
Ingo Roehl, Stephan Seiffert, Celia Brikh, Jonathan Quinet, Catherine Jamard, Nadine Dorfler, Jennifer A Lockridge, Lucyna Cova, Andrew Vaillant
REP 2139 is a nucleic acid polymer (NAP) currently under clinical development for chronic hepatitis B (HBV) therapy. This preclinical study investigated different REP 2139 analogs that would display reduced accumulation in the serum and tissues, while retaining an antiviral effect against HBV infection. REP 2139 analogs were evaluated in human plasma, CD-1 mice, cynomolgus monkeys, and Pekin ducks. Discrete ribose transformation to 2'OH in selected riboadenosines resulted in a slow degradation in acidified human plasma that plateaued after 48 hr...
September 15, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28917743/selection-of-an-aptamer-against-muscovy-duck-parvovirus-for-highly-sensitive-rapid-visual-detection-by-label-free-aptasensor
#17
Taofeng Lu, Qin Ma, Wenzhuo Yan, Yuanzhi Wang, Yuanyuan Zhang, Lili Zhao, Hongyan Chen
Muscovy duck parvovirus (MDPV) causes high mortality and morbidity in ducks. This study investigated a novel aptamer-based, label-free aptasensor detection of MDPV. In this study, we developed an ssDNA aptamer using the filtration partition and lambda exonuclease method with an affinity-based monitor and counter-screening process. After 15 rounds of SELEX (systematic evolution of ligands by exponential enrichment), the ssDNA aptamer Apt-10, which specifically bound to MDPV with high affinity (Kd = 467nM) was successfully screened, and the aptamer was also found to be good specific to MDPV...
January 1, 2018: Talanta
https://www.readbyqxmd.com/read/28914720/effects-of-corrective-exercise-for-thoracic-hyperkyphosis-on-posture-balance-and-well-being-in-older-women-a-double-blind-group-matched-design
#18
Hyun-Jeong Jang, Lynne C Hughes, Duck-Won Oh, Suhn-Yeop Kim
BACKGROUND AND PURPOSE: The purpose of this study was to identify the effects of a corrective exercise for thoracic hyperkyphosis on posture, balance, and well-being in Korean community-dwelling older women. METHODS: Fifty women 65 years of age and older, recruited from 2 senior centers, participated in this study. Participants were assigned to either the experimental group (EG) or the control group (CG) on the basis of convenience of location, and 22 in each were analyzed...
September 13, 2017: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/28911249/transcriptome-analysis-reveals-the-molecular-mechanism-of-hepatic-fat-metabolism-disorder-caused-by-muscovy-duck-reovirus-infection
#19
Quanxi Wang, Mengxi Liu, Lihui Xu, Yijian Wu, Yifan Huang
The aim of this work was to clarify the molecular mechanism underlying the fatty degeneration of livers infected with Muscovy duck reovirus (MDRV), which produces obvious white necrotic foci in the liver. Transcriptome data for MDRV-infected Muscovy duck livers and control livers were sequenced, assembled, and annotated with Illumina® HiSeq 2000. The differentially expressed genes were screened and their functions analysed. We also determined and confirmed the molecular mechanism of the hepatic fat metabolism disorder caused by MDRV infection...
September 15, 2017: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/28905526/transmission-and-immunopathology-of-the-avian-influenza-virus-a-anhui-1-2013-h7n9-human-isolate-in-three-commonly-commercialized-avian-species
#20
B Vidaña, R Dolz, N Busquets, A Ramis, R Sánchez, R Rivas, R Valle, I Cordón, D Solanes, J Martínez, N Majó
H7N9 virus infection is a global concern, given that it can cause severe infection and mortality in humans. However, the understanding of H7N9 epidemiology, animal reservoir species and zoonotic risk remains limited. This work evaluates the pathogenicity, transmissibility and local innate immune response of three avian species harbouring different respiratory distribution of α2,6 and α2,3 SA receptors. Muscovy ducks, European quails and SPF chickens were intranasally inoculated with 10(5) embryo infectious dose (EID)50 of the human H7N9 (A/Anhui/1/2013) influenza isolate...
September 14, 2017: Zoonoses and Public Health
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