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https://www.readbyqxmd.com/read/28228180/age-related-oxidative-stress-and-antioxidant-capacity-in-heat-stressed-broilers
#1
A P Del Vesco, A S Khatlab, E S R Goes, K S Utsunomiya, J S Vieira, A R Oliveira Neto, E Gasparino
We aimed to evaluate the effects of acute heat stress (HS) and age on the redox state in broilers aged 21 and 42 days. We evaluated the expression of genes related to antioxidant capacity, the production of hydrogen peroxide (H2O2), and the activity of antioxidant enzymes in the liver, as well as oxidative stress markers in the liver and plasma. The experiment had a completely randomized factorial design with two thermal environments (thermoneutral and HS, 38°C for 24 h) and two ages (21 and 42 days). Twenty-one-day-old animals exposed to HS showed the highest thioredoxin reductase 1 (TrxR1) (P<0...
February 23, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28140330/insights-for-setting-of-nutrient-requirements-gleaned-by-comparison-of-selenium-status-biomarkers-in-turkeys-and-chickens-versus-rats-mice-and-lambs
#2
REVIEW
Roger A Sunde, Jin-Long Li, Rachel M Taylor
To gain insights into nutrient biomarkers and setting of dietary nutrient requirements, selenium biomarker levels and requirements in response to multiple graded levels of dietary selenium were compared between day-old turkeys and chickens versus weanling rats and mice and 2-d-old lambs supplemented with sodium selenite. In rodents, there was no significant effect of dietary selenium on growth, indicating that the minimum selenium requirement was <0.007 μg Se/g diet. In contrast, there was a significant effect in turkeys, chicks, and lambs, which showed selenium requirements for growth of 0...
November 2016: Advances in Nutrition
https://www.readbyqxmd.com/read/28116627/alleviation-of-lead-induced-oxidative-stress-and-immune-damage-by-selenium-in-chicken-bursa-of-fabricius
#3
Xiaoyan Jiao, Kai Yang, Yang An, Xiaojie Teng, Xiaohua Teng
We investigated lead (Pb)-induced oxidative stress and immune damage in the chicken bursa of Fabricius (BF) and the ameliorative effect of selenium (Se). Seven-day-old male chickens were randomly divided into four groups and were provided standard diet and drinking water, Na2SeO3 added to the standard diet and drinking water, standard diet and (CH3COO)2Pb added to drinking water, and Na2SeO3 added to the standard diet and (CH3COO)2Pb added to drinking water for 30, 60, and 90 days. The presence of Pb inhibited total antioxidant capacity (T-AOC), glutathione peroxidase (GPx), glutathione S-transferase (GST), superoxide dismutase (SOD), and catalase (CAT) activities; decreased glutathione (GSH) content; increased malondialdehyde (MDA) and hydrogen peroxide (H2O2) contents; inhibited interleukin (IL)-2 and interferon-γ (IFN-γ) messenger RNA (mRNA) expression; and increased IL-4, IL-6, IL-10, IL-12β, and IL-17 mRNA expression...
January 23, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28096619/detection-identification-and-differentiation-of-sheep-pox-virus-and-goat-pox-virus-from-clinical-cases-in-giza-governorate-egypt
#4
M A Mahmoud, M H Khafagi
AIM: To isolate, identify, and differentiate Capripoxviruses (CaPV) (sheep pox virus and goat pox virus) infections by egg inoculation, transmission electron microscopy (TEM), and 30 kDa RNA polymerase subunit gene-based polymerase chain reaction (PCR) (RPO30) in clinically affected animals in Hawamdia township of Giza Governorate, Egypt. MATERIALS AND METHODS: A total of 37 scab samples were collected from clinically suspected field cases of sheep pox and goat pox...
December 2016: Veterinary World
https://www.readbyqxmd.com/read/28088013/delineating-hierarchy-of-selenotranscriptome-expression-and-their-response-to-selenium-status-in-chicken-central-nervous-system
#5
Xiu-Qing Jiang, Chang-Yu Cao, Zhao-Yang Li, Wei Li, Cong Zhang, Jia Lin, Xue-Nan Li, Jing-Long Li
Selenium (Se) incorporated in selenoproteins as selenocysteine and supports various important cellular and organismal functions. We recently reported that chicken brain exhibited high priority for Se supply and retention under conditions of dietary Se deficiency and supernutrition Li et al. (2012) . However, the selenotranscriptome expressions and their response to Se status in chicken central nervous system (CNS) are unclear. To better understand the relationship of Se homeostasis and selenoproteins expression in chicken CNS, 1day-old HyLine White chickens were fed a low Se diet (Se-L, 0...
January 4, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28057380/current-and-future-vaccines-and-vaccination-strategies-against-infectious-laryngotracheitis-ilt-respiratory-disease-of-poultry
#6
Maricarmen García
Infectious laryngotracheitis (ILT) is an economically important respiratory disease of poultry that affects the industry worldwide. Vaccination is the principal tool in the control of the disease. Two types of vaccines, live attenuated and recombinant viral vector, are commercially available. The first generation of GaHV-1 vaccines available since the early 1960's are live viruses, attenuated by continuous passages in cell culture or embryos. These vaccines significantly reduce mortalities and, in particular, the chicken embryo origin (CEO) vaccines have shown to limit outbreaks of the disease...
December 24, 2016: Veterinary Microbiology
https://www.readbyqxmd.com/read/28054265/assessment-of-arsenic-trioxide-in-the-heart-of-gallus-gallus-alterations-of-oxidative-damage-parameters-inflammatory-cytokines-and-cardiac-enzymes
#7
Si-Wen Li, Xiao Sun, Ying He, Ying Guo, Hong-Jing Zhao, Zhi-Jun Hou, Ming-Wei Xing
The aim of this study was to assess the effects of arsenic trioxide (As2O3) in the chicken heart, and 72 1-day-old male Hy-line chickens were fed either a commercial diet (C group) or an arsenic supplement diet containing 7.5 mg/kg (L group), 15 mg/kg (M group), or 30 mg/kg (H group) As2O3 for 90 days. The results showed that exposure to As2O3 merely lowered (P < 0.05) the activities of catalase (CAT) and glutathione peroxidase (GSH-Px) in M and H groups at 90 days, significantly downregulated the inhibition ability of hydroxyl radicals (OH·), and upregulated (P < 0...
January 4, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28011413/a-systematic-review-and-meta-analysis-of-seroprevalence-of-varicella-zoster-virus-a-nationwide-population-based-study
#8
REVIEW
Omolbanin Amjadi, Alireza Rafiei, Mohammadreza Haghshenas, Reza Alizadeh Navaei, Reza Valadan, Zahra Hosseini-Khah, Akbar Hedayatizadeh Omran, Mohsen Arabi, Reza Jafari Shakib, Tahoora Mousavi, G Hossein Ashrafi
Varicella zoster virus (VZV) causes chicken pox as a primary infection following which it becomes latent in neurons. It may then reactivate to cause shingles (herpes zoster). Severity of lesions and VZV pathogenicity are depended on the host's immune response and variant in VZV Dr Athina Myrto ChioniIdentification of VZV seroprevalance rate in general population may lead to develop new health strategic managements such as vaccination. Therefore, we aimed to provide a systematic review of the seroprevalence of VZV infection among Iranian population and estimate age- and gender- specific prevalence of VZV...
December 6, 2016: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/27986311/lignocellulose-degrading-enzymes-free-radical-transformations-during-composting-of-lignocellulosic-waste-and-biothermal-phases-in-small-scale-reactors
#9
Justyna Bohacz
Environmentally friendly strategies of waste management are both part of legal solutions currently in place and a focus of interest worldwide. Large-scale composting plants are set up across various regions while home composting is becoming increasingly popular. A variety of microbial groups are successively at work during composting and enzymatic activities detected in the composting mass fluctuate accordingly. Changes in the activities of oxidoreductases and hydrolases, i.e. glucose oxidase, horseradish peroxidase, lignin peroxidase, laccase, xylanase, superoxide dismutase and keratinase, low-molecular weight compounds, i...
December 13, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27943028/the-protective-effects-of-polysaccharides-from-agaricus-blazei-murill-against-cadmium-induced-oxidant-stress-and-inflammatory-damage-in-chicken-livers
#10
Xuequan Hu, Ruili Zhang, Yingying Xie, Hongmei Wang, Ming Ge
This study aimed to assess the protective roles of polysaccharides from Agaricus blazei Murill (ABP) against cadmium (Cd)-induced damage in chicken livers. A total of 80 Hy-Line laying chickens (7 days old) were randomly divided into four groups (n = 20). Group I (control) was fed with a basic diet and 0.2 ml saline per day, group II (Cd-treated group) was fed with a basic diet containing 140 mg/kg cadmium chloride (CdCl2) and 0.2 ml saline per day, group III (Cd + ABP-treated group) was fed with a basic diet containing 140 mg/kg CdCl2 and 0...
December 9, 2016: Biological Trace Element Research
https://www.readbyqxmd.com/read/27811322/molecular-characterization-of-chicken-infectious-anemia-virus-from-contaminated-live-virus-vaccines
#11
Yang Li, Yan Hu, Shuai Cui, Jiayuan Fu, Yixin Wang, Zhizhong Cui, Lichun Fang, Shuang Chang, Peng Zhao
The aim of this study was to investigate possible causes of the pervasiveness of chicken infectious anemia virus ( CIAV: ) infection in chickens in recent years in China. A total of 14 batches of live-virus vaccines were examined using PCR to detect CIAV contamination, of which only 2 samples (a Newcastle disease vaccine and a fowl pox vaccine) tested positive for CIAV. These Newcastle and fowl pox vaccines were then inoculated into 1-day-old specific-pathogen-free chickens. Serum samples were collected from chickens infected with the PCR-positive vaccines, and these tested positive for CIAV-specific antibodies as tested using ELISA...
November 2, 2016: Poultry Science
https://www.readbyqxmd.com/read/27803314/promotion-of-adipogenesis-by-neuropeptide-y-during-the-later-stages-of-chicken-preadipocyte-differentiation
#12
Steven L Shipp, Mark A Cline, Elizabeth R Gilbert
Neuropeptide Y (NPY) promotes adipogenesis in both birds and mammals, although mechanisms in avians remain unclear. The objective of this study was thus to evaluate effects of NPY on chick preadipocyte proliferation and differentiation. Preadipocytes were treated with 0, 1, 10, or 100 nmol/L NPY and gene expression and cellular proliferation were evaluated at 12, 24, and 48 h. At 12 h posttreatment, mRNA abundance of topoisomerase II alpha (TOP2A), and thioredoxin-dependent peroxidase 2 was upregulated and NPY was downregulated in response to NPY (0 vs...
November 2016: Physiological Reports
https://www.readbyqxmd.com/read/27795427/the-glycoprotein-b-cytoplasmic-domain-lysine-cluster-is-critical-for-varicella-zoster-virus-cell-cell-fusion-regulation-and-infection
#13
Edward Yang, Ann M Arvin, Stefan L Oliver
: The conserved glycoproteins gB and gH-gL are essential for herpesvirus entry and cell-cell fusion induced syncytium formation, a characteristic of varicella-zoster virus (VZV) pathology in skin and sensory ganglia. VZV syncytium formation, which has been implicated in the painful condition of postherpetic neuralgia, is regulated by the cytoplasmic domains of gB (gBcyt) via an immunoreceptor tyrosine-based inhibition motif (ITIM) and gH (gHcyt). A lysine cluster (K894, K897, K898, and K900) in the VZV gBcyt was identified by sequence alignment to be conserved among alphaherpesviruses, suggesting a functional role...
January 1, 2017: Journal of Virology
https://www.readbyqxmd.com/read/27794053/effects-of-dietary-threonine-levels-on-growth-performance-serum-biochemical-indexes-antioxidant-capacities-and-gut-morphology-in-broiler-chickens
#14
Y N Min, S G Liu, Z X Qu, G H Meng, Y P Gao
A dose-response experiment was conducted to investigate the impacts of dietary threonine (Thr) levels on growth performance, serum biochemical indices, antioxidant capacities, and gut morphology of broiler chickens. Four hundred and thirty-two 1-d-old commercial broilers were allocated to 4 treatments consisting of 6 replicates of 18 birds. The experimental treatments received the same Thr-deficient basal diet and were labeled as follows: 85%, 100%, 125%, and 150% of NRC (1994) recommendations. The results demonstrated that on 21 d and 42 d, average daily weight gain (ADG, 22 to 42 d, 0 to 42 d) increased quadratically or cubically as the inclusion of Thr increased, while feed conversion ratio (FCR, 0 to 21 d, 0 to 42 d) decreased quadratically or cubically as dietary Thr increase from 85% to 150%...
October 28, 2016: Poultry Science
https://www.readbyqxmd.com/read/27722063/the-protective-effect-of-procyanidin-against-lps-induced-acute-gut-injury-by-the-regulations-of-oxidative-state
#15
Qiu Jue Wu, Yu Qin Wang, Yan Xia Qi
BACKGROUND: A 2 × 4 factorial arrangement of treatments was used to investigate the protective effect of procyanidin (PCA) against lipopolysaccharide (LPS)-induced acute gut injury by the regulations of oxidative state for a 21-days feeding trial. METHODS: A total of 384 1-days-old broiler chicks were assigned to 8 treatments with 8 replicate of 6 broiler chickens per pen. Broiler chickens fed diets based on 4 levels of dietary PCA (0, 0.05, 0.075 and 0.1 % of the requirements)...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27721631/herpes-zoster-a-clinicocytopathological-insight
#16
Snehal Shah, Sasidhar Singaraju, A Einstein, Ashish Sharma
Herpes zoster or shingles is reactivation of the varicella zoster virus that had entered the cutaneous nerve endings during an earlier episode of chicken pox traveled to the dorsal root ganglia and remained in a latent form. This condition is characterized by occurrence of multiple, painful, unilateral vesicles and ulceration which shows a typical single dermatome involvement. In this case report, we present a patient with herpes zoster involving the mandibular division of the trigeminal nerve, with unilateral vesicles over the right side of lower third of face along the trigeminal nerve tract, with intraoral involvement of buccal mucosa, labial mucosa and the tongue of the same side...
September 2016: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/27697713/neurotoxicity-induced-by-arsenic-in-gallus-gallus-regulation-of-oxidative-stress-and-heat-shock-protein-response
#17
Panpan Zhao, Ying Guo, Wen Zhang, Hongliang Chai, Houjuan Xing, Mingwei Xing
Arsenic, a naturally occurring heavy metal pollutant, is one of the functioning risk factors for neurological toxicity in humans. However, little is known about the effects of arsenic on the nervous system of Gallus Gallus. To investigate whether arsenic induce neurotoxicity and influence the oxidative stress and heat shock proteins (Hsps) response in chickens, seventy-two 1-day-old male Hy-line chickens were treated with different doses of arsenic trioxide (As2O3). The histological changes, antioxidant enzyme activity, and the expressions of Hsps were detected...
January 2017: Chemosphere
https://www.readbyqxmd.com/read/27669305/protective-effects-of-sporoderm-broken-spores-of-ganderma-lucidum-on-growth-performance-antioxidant-capacity-and-immune-function-of-broiler-chickens-exposed-to-low-level-of-aflatoxin-b%C3%A2
#18
Tao Liu, Qiugang Ma, Lihong Zhao, Ru Jia, Jianyun Zhang, Cheng Ji, Xinyue Wang
This study was conducted to investigate the toxic effects of aflatoxin B₁ (AFB₁) and evaluate the effects of sporoderm-broken spores of Ganoderma lucidum (SSGL) in relieving aflatoxicosis in broilers. A total of 300 one-day-old male Arbor Acre broiler chickens were randomly divided into four dietary treatments; the treatment diets were: Control (a basal diet containing normal peanut meal); AFB₁ (the basal diet containing AFB₁-contaminated peanut meal); SSGL (basal diet with 200 mg/kg of SSGL); AFB₁+SSGL (supplementation of 200 mg/kg of SSGL in AFB₁ diet)...
September 24, 2016: Toxins
https://www.readbyqxmd.com/read/27610735/concurrent-fowlpox-and-candidiasis-diseases-in-backyard-chickens-with-unusual-pox-lesions-in-the-bursa-of-fabricius
#19
Fusae Ogasawara, Yu Yamamoto, Yasuo Sato, Kazuhiro Fukunari, Ken-Ichi Murata, Gakuji Yaegashi, Makiko Goto, Ryukoh Murakami
Concurrent fowlpox and candidiasis diseases occurred in a backyard chicken flock. Four deceased chickens (one Nagoya breed and three white silkie chickens) were examined for diagnosis. At necropsy, white curd-like plaques were observed in the crop. Fungal elements that stained positive for Candida albicans with immunohistochemistry were distributed throughout the tongue, choanal mucosa, esophagus, and crop. Typical fowlpox lesions, composed of proliferating epithelial cells with ballooning degeneration and viral intracytoplasmic inclusions, were observed in the conjunctiva, nasal mucosa, and skin around the cloaca...
September 2016: Avian Diseases
https://www.readbyqxmd.com/read/27542459/underlying-connections-between-the-redox-system-imbalance-protein-oxidation-and-impaired-quality-traits-in-pale-soft-and-exudative-pse-poultry-meat
#20
Rafael H Carvalho, Elza I Ida, Marta S Madruga, Sandra L Martínez, Massami Shimokomaki, Mario Estévez
The connections between the redox imbalance in post-mortem muscle, early protein oxidation and the onset of pale, soft and exudative (PSE) condition in chicken breast are studied. PSE was induced by incubation of post-mortem chicken carcasses at 37°C for 200min. PSE-induced muscle consistently had faster pH decline and lower pH at 200min (5.84 vs. 6.59) and 24h (5.69 vs. 5.96), higher L(∗) (54.4 vs. 57.3), and lower texture and water holding capacity (WHC) than normal meat. The activities of catalase, glutathione peroxidase and superoxide dismutase were significantly lower in PSE-induced samples than in the normal counterparts...
January 15, 2017: Food Chemistry
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