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https://www.readbyqxmd.com/read/29149662/in-ovo-transformation-of-two-emerging-flame-retardants-in-japanese-quail-coturnix-japonica
#1
Nathalie Briels, Mari E Løseth, Tomasz M Ciesielski, Govindan Malarvannan, Giulia Poma, Sara A Kjærvik, Alexis Léon, Ronan Cariou, Adrian Covaci, Veerle L B Jaspers
Tris(1,3-dichloro-2-propyl) phosphate (TDCIPP) and Dechlorane Plus (DP) are two chlorinated, alternative flame retardants that have been found in wild birds and bird eggs. Little is known about the fate and effect of these compounds in birds, especially during the vulnerable stages of embryonic development. To investigate the ability of birds to biotransform these compounds, an in ovo exposure experiment with Japanese quail eggs was performed. Quail eggs were injected in the yolk sac with 1000ng/g egg of TDCIPP (2...
November 14, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29135200/overview-of-silica-related-clusters-in-the-united-states-will-fracking-operations-become-the-next-cluster
#2
M Thomas Quail
Silicosis is the oldest know occupational pulmonary disease. It is a progressive disease and any level of exposure to respirable crystalline silica particles or dust has the potential to develop into silicosis. Silicosis is caused by silica particles or dust entering the lungs and damaging healthy lung tissue. The damage restricts the ability to breathe. Exposure to silica increases a worker’s risk of developing cancer or tuberculosis. This special report will provide background history of silicosis in the U...
January 2017: Journal of Environmental Health
https://www.readbyqxmd.com/read/29127630/analysis-of-various-effects-of-abamectin-on-erythrocyte-morphology-in-japanese-quails-coturnix-japonica
#3
Denise Braga Gomes de Faria, Mateus Flores Montalvão, Joyce Moreira de Souza, Bruna de Oliveira Mendes, Guilherme Malafaia, Aline Sueli de Lima Rodrigues
Although previous studies have already confirmed the toxicological potential of abamectin (ABA) in different experimental models (from invertebrates to vertebrates), almost nothing is known about the impacts the exposure to this pesticide can cause on birds. Thus, the aim of our study is to investigate the cytotoxic effects on the erythrocytes of female Japanese quails (Coturnix japonica) exposed to low abamectin concentrations. In order to do so, three experimental groups were proposed: "control," composed of quails exposed to abamectin-free drinking water; "ABA 1% median lethal dose (LD50)," comprising birds exposed to water containing 15...
November 10, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29125359/working-in-the-early-days-of-the-nhs
#4
Alistair Quaile
No abstract text is available yet for this article.
November 9, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/29106396/purinyl-cobamide-is-a-native-prosthetic-group-of-reductive-dehalogenases
#5
Jun Yan, Meng Bi, Allen K Bourdon, Abigail T Farmer, Po-Hsiang Wang, Olivia Molenda, Andrew T Quaile, Nannan Jiang, Yi Yang, Yongchao Yin, Burcu Şimşir, Shawn R Campagna, Elizabeth A Edwards, Frank E Löffler
Cobamides such as vitamin B12 are structurally conserved, cobalt-containing tetrapyrrole biomolecules that have essential biochemical functions in all domains of life. In organohalide respiration, a vital biological process for the global cycling of natural and anthropogenic organohalogens, cobamides are the requisite prosthetic groups for carbon-halogen bond-cleaving reductive dehalogenases. This study reports the biosynthesis of a new cobamide with unsubstituted purine as the lower base and assigns unsubstituted purine a biological function by demonstrating that Coα-purinyl-cobamide (purinyl-Cba) is the native prosthetic group in catalytically active tetrachloroethene reductive dehalogenases of Desulfitobacterium hafniense...
November 6, 2017: Nature Chemical Biology
https://www.readbyqxmd.com/read/29104856/intramuscular-route-of-administration-increases-potency-in-eliciting-cocaine-induced-behavioral-sensitization
#6
Beth Ann Rice, Raza Tariq, Chana K Akins
Background: Cocaine is the number one abused psychostimulant drug that reaches addiction criterion in the US. In animals, repeated administration of cocaine results in behavioral sensitization which is thought to represent adaptations in the mesolimbic dopamine neural circuitry, the reward pathway. Cocaine-induced behavioral sensitization is evident in rodents and quail when cocaine is administered intraperitoneally (IP). Objectives: The purpose of the current study was to investigate dose-dependent and temporal effects of acute and chronic intramuscular (IM) administration of cocaine in male quail...
2017: Current Psychopharmacology
https://www.readbyqxmd.com/read/29098543/effect-of-chromium-nanoparticles-on-physiological-stress-induced-by-exogenous-dexamethasone-in-japanese-quails
#7
Atefeh Berenjian, Seyed Davood Sharifi, Abdollah Mohammadi-Sangcheshmeh, Shekofeh Ghazanfari
Chromium (Cr), as an essential trace element, plays a critical role in carbohydrate, protein, and lipid metabolism in animals. It has been suggested that the beneficial effects of Cr increase by environmental stresses, which lead to greater Cr effects on stressed animals. The objective of the present study was to evaluate the response of physiologically stressed Japanese quails (Coturnix japonica) to dietary chromium nanoparticle (Nano-Cr) supplementation. The stress was induced by adding dexamethasone (0.6 mg/kg BW) to Japanese quails' diet from 17 to 22 days of age...
November 2, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29079983/improving-growth-performance-and-health-status-of-meat-type-quail-by-supplementing-the-diet-with-black-cumin-cold-pressed-oil-as-a-natural-alternative-for-antibiotics
#8
Mohamed E Abd El-Hack, Samir A Mahgoub, Mohamed M A Hussein, Islam M Saadeldin
Using antibiotics in poultry diets as growth promoters was reported to have harmful effects on consumers, so the current study was done to monitor the impact of dietary supplementation of antimicrobial black cumin oil (BCO) on carcass traits, growth performance, biochemical components, and ileal microbial populations of growing Japanese quails. Three hundred growing Japanese quails were used with three different treatments (0, 0.50, and 1.0 g BCO/g diet). Birds fed diet supplemented with 0.5 g BCO/kg diet showed significant increase in body weight comparing with the control and other treatment group...
October 27, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29077959/performance-and-serum-biochemical-profile-of-japanese-quail-supplemented-with-silymarin-and-contaminated-with-aflatoxin-b1
#9
M I Sakamoto, A E Murakami, A M Fernandes, I C Ospina-Rojas, K C Nunes, A K Hirata
The aim of this study was to evaluate the hepatoprotective effect of silymarin in diets contaminated or not with aflatoxin B1 (AFB1) on the productive performance and serum biochemical profile of Japanese quail (Coturnix coturnix japonica) in the laying phase. A total of 240 12-week-old Japanese quail was used in a completely randomized design in a 3 × 2 factorial scheme (additives x contaminated or not with AFB1 - 1,500 μg/kg), totaling 6 treatments and 5 replicates of 8 birds each. The additives used were silymarin (500 g/ton), adsorbent (1 kg/ton), and a control diet (without additive)...
October 25, 2017: Poultry Science
https://www.readbyqxmd.com/read/29072374/2-hydroxy-4-methylthio-butanoic-acid-and-dl-methionine-for-japanese-quails-in-production
#10
D V G Vieira, F G P Costa, M R Lima, J G de V Júnior, T P Bonaparte, D T Cavalcante
An experiment was performed using 1,000 laying Japanese quails to assess the availability of two alternative dietary methionine sources. Treatment 01 = Basal Feed that is deficient in digestible methionine + cystine (Met + Cys). The other treatments were constituted by Met + Cys levels of 0.8, 1.60 and 2.40 g/kg, supplemented with DL-Methionine-99%, HMTBA-88% and HMTBA-84%, being 10 treatments in total. The following characteristics were studied: feed intake (g/bird/day), egg production (egg/day × 100), egg weight (g/egg), egg mass (g/egg), feed conversion per egg dozen (kg feed/dozen eggs), feed conversion per egg mass (kg feed/kg eggs), relative yolk weight (g/100 g of egg), relative albumen weight (g/100 g of egg), relative shell weight (g/100 g of egg), shell thickness (mm) and specific gravity (g/cm(3) )...
October 26, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/29062202/the-effect-of-eggshell-thickness-on-hatchability-of-quail-eggs
#11
Oguz Fatih Ergun, Umut Sami Yamak
BACKGROUND AND AIM: The aim of the successful incubation period is to achieve maximum health chicks in each batch. Therefore, all factors affecting incubation have to be investigated in detail. This study investigated the effect of eggshell thickness on hatchability of quail eggs. MATERIALS AND METHODS: A total of 1415 eggs were collected from the same flock at the ages of 23 and 41 weeks. Two different incubations were performed at these eggs. Eggshell thicknesses of all eggs were determined with an ultrasonic gauge before incubation...
September 2017: Veterinary World
https://www.readbyqxmd.com/read/29057334/antouka-super-%C3%A2-induced-oxidative-stress-and-reproductive-toxicity-in-male-japanese-quail-coturnix-coturnix-japonica
#12
Ngoula Ferdinand, Ngoumtsop Victor Herman, Ngouateu Kenfack Omer Bebe, Kenfack Augustave, Mutwedu Valence, Nguemmogne Tamdem Ghislaine, Tchoffo Herve, Azafack Kana Dorice, Deutcheu Sorelle, Manjeli Yacouba
BACKGROUND: Antouka Super(®) (AS), a combination of insecticide (Pirimiphos-methyl 16% and Permethrin 3%), is one of the most widely used pesticides in agriculture, public health, home and garden, with high potential for human and animal exposure. OBJECTIVE: The present study was undertaken to evaluate the effect of AS on the serum testosterone, oxidative stress biomarkers, testis histology and fertility of male Japanese quail. METHODS: Thirty-two (32) male Japanese quails twenty-eight (28) days were randomly divided into four groups: C0 (control), T1, T2 and T3, exposed daily (gavage) to 0, 37...
October 2017: Heliyon
https://www.readbyqxmd.com/read/29053859/unexpected-results-when-assessing-underlying-aggressiveness-in-japanese-quail-using-photocastrated-stimulus-birds
#13
J M Caliva, J M Kembro, S Pellegrini, D A Guzman, R H Marin
Aggressive behaviors can affect both animal welfare and productivity. Because the expression of aggressive behaviors is dependent on the quality of the opponent, they reflect relative rather than absolute levels of underlying aggressiveness. This study was aimed to characterize the aggressive responsiveness of photostimulated (14:10 h light:dark photoperiod) adult Japanese quail when interacting with a photocastrated (6:18 h light:dark photoperiod) counterpart in a novel test environment and to assesses interindividual variations...
October 10, 2017: Poultry Science
https://www.readbyqxmd.com/read/29053741/the-importance-of-propolis-in-alleviating-the-negative-physiological-effects-of-heat-stress-in-quail-chicks
#14
Gamal M K Mehaisen, Rania M Ibrahim, Adel A Desoky, Hosam M Safaa, Osama A El-Sayed, Ahmed O Abass
Heat stress is one of the most detrimental confrontations in tropical and subtropical regions of the world, causing considerable economic losses in poultry production. Propolis, a resinous product of worker honeybees, possesses several biological activities that could be used to alleviate the deleterious effects of high environmental temperature on poultry production. The current study was aimed at evaluating the effects of propolis supplementation to Japanese quail (Coturnix coturnix japonica) diets on the production performance, intestinal histomorphology, relative physiological and immunological parameters, and selected gene expression under heat stress conditions...
2017: PloS One
https://www.readbyqxmd.com/read/29052001/quail-coturnix-japonica-egg-yolk-bioactive-components-attenuate-streptozotocin-induced-testicular-damage-and-oxidative-stress-in-diabetic-rats
#15
Gideon Oludare Oladipo, Chidinma Martha Nlekerem, Emmanuel Oluwafemi Ibukun, Ayodele Oluseyi Kolawole
INTRODUCTION: The testicular milieu is the machinery for the metabolism of testosterone in the male reproductive system. PURPOSE: The dysfunction of this highly regenerating system is inevitable in the condition of glucose imbalance as a result of insulin machinery impairment. Therefore, it is imperative to recommend dietary intervention for attenuating the testicular dysfunction and oxidative stress resulting from STZ-induction of diabetes. METHODS: STZ-induced diabetes (65 mg/kg, ip) was treated with QEYEM (50, 100 and 200 mg/kg/day) and quercetin (50 mg/kg/day) for 7weeks...
October 19, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/29044324/replacing-soybean-oil-with-increasing-levels-of-soybean-acid-oil-in-diets-of-coturnix-quails-coturnix-coturnix-coturnix-and-the-effects-on-egg-quality
#16
Aline A P Roll, Juliana Forgiarini, Eduardo G Xavier, Débora C N Lopes, Victor F B Roll, Fernando Rutz
The effects of increasing levels of soybean acid oil in diets of quails on the quality of eggs were evaluated over a period of 56 days. A completely randomized design with five treatment levels of soybean acid oil (0, 2, 4, 6, and 8%) as a replacer for soybean oil and eight replicates of two quails each were used. A total of 240 fresh eggs were used for quality analysis, and 400 eggs were stored at 23ºC over a period of 0, 7, 14, 21, and 28 days for analysis of shelf-life. Polynomial regression and ANOVA with repeated measurements and Tukey´s tests were used...
October 16, 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/29027604/prevalence-of-avian-influenza-h9n2-in-commercial-quail-partridge-and-turkey-farms-in-iran-2014-2015
#17
Mohammad Hosein Fallah Mehrabadi, Alireza Bahonar, Kamran Mirzaei, Aidin Molouki, Arash Ghalyanchilangeroudi, Seyed Ali Ghafouri, Farshad Tehrani, Swee Hua Erin Lim
Avian influenza virus (AIV) H9N2 subtype is endemic in Iran and causes substantial economic loss to the growing poultry industry within the country. In this study, a cross-sectional analysis was carried out to determine the sero-prevalence of H9N2 in several commercial farms between the years 2014 and 2015. The comparison of the mean of serum titers and the ratio of sero-positive birds between all units were analyzed using one-way ANOVA test. In 2014, a total of 77 farms (58 turkey farms, 14 quail farms, and 5 partridge farms) and 894 birds (682 turkeys, 154 quails, and 58 partridges) were sampled while in 2015, a total of 69 farms (54 turkey farms, 8 quail farms, and 7 partridge farms) and 856 birds (675 turkeys, 105 quails, and 76 partridges) were sampled...
October 13, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29017464/respective-contribution-of-the-cephalic-neural-crest-and-mesoderm-to-six1-expressing-head-territories-in-the-avian-embryo
#18
Barbara F Fonseca, Gérard Couly, Elisabeth Dupin
BACKGROUND: Vertebrate head development depends on a series of interactions between many cell populations of distinct embryological origins. Cranial mesenchymal tissues have a dual embryonic source: - the neural crest (NC), which generates most of craniofacial skeleton, dermis, pericytes, fat cells, and tenocytes; and - the mesoderm, which yields muscles, blood vessel endothelia and some posterior cranial bones. The molecular players that orchestrate co-development of cephalic NC and mesodermal cells to properly construct the head of vertebrates remain poorly understood...
October 10, 2017: BMC Developmental Biology
https://www.readbyqxmd.com/read/28992606/apoptotic-mechanism-behind-the-testicular-atrophy-in-photorefractory-and-scotosensitive-quail-involvement-of-gnih-induced-p-53-dependent-bax-caspase-3-mediated-pathway
#19
Somanshu Banerjee, Chandra Mohini Chaturvedi
In most of the avian species, daylength or photoperiod is the main environmental factor regulating reproduction. During their annual gonadal cycle, birds once sensitive to short or long day effect develop refractoriness to the same daylength and gonad develop or regress accordingly. The present study investigated the effects of photoperiodic alterations on apoptosis mediated testicular responses of photosensitive/photorefractory and scotosensitive/scotorefractory quail, Coturnix coturnix japonica. Testicular apoptosis in the quail of different photoperiodic conditions was assessed by monitoring the alterations in the local testicular expression of GnRH-I, GnIH, pro-apoptotic proteins (p53 and Bax), inactive caspase (pro-Caspase-3), executioner active-Caspase-3 and inactive/uncleaved PARP-1 (DNA repair enzyme) and TUNEL analysis...
September 29, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28990707/rapid-changes-in-brain-aromatase-activity-in-the-female-quail-brain-following-expression-of-sexual-behavior
#20
Catherine de Bournonville, Gregory F Ball, Jacques Balthazart, Charlotte A Cornil
In male quail, estrogens produced in the brain (neuroestrogens) exert a dual action on male sexual behavior: they increase sexual motivation within minutes via mechanisms activated at the membrane but facilitate sexual performance by slower, presumably nuclear-initiated, mechanisms. Recent work indicates that neuroestrogens are also implicated in the control of female sexual motivation despite the presence of high circulating concentrations of estrogens of ovarian origin. Interestingly aromatase activity (AA) in the male brain is regulated in time domains corresponding to the slow "genomic" and faster "non-genomic" modes of action of estrogens...
October 9, 2017: Journal of Neuroendocrinology
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