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https://www.readbyqxmd.com/read/28447384/alpha-lipoic-acid-an-inimitable-feed-supplement-for-poultry-nutrition
#1
REVIEW
M Sohaib, F M Anjum, M Nasir, F Saeed, M S Arshad, S Hussain
Alpha-lipoic acid (ALA) is a multifunction antioxidant that is produced in small amount by cells as well as its dietary provision facilitates fatty acid mobilization, energy expenditure as well as can scavenge free radicals in poultry birds. It exists in oxidized as well as reduced form, characterized by growth promoting, anti-inflammatory, antioxidative, immunostimulatory, and hypocholesterolemic properties when fed as dietary supplement to farm animals particularly chicken birds. Recently, several studies reported that dietary supplementation of ALA can influence growth performance indicators, immunological, biochemical characteristics, lipid metabolism, and oxidative stress as well as increase antioxidant potential and storability of poultry meat and meat products...
April 26, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28439767/a-bacillus-subtilis-strain-as-probiotic-in-poultry-selection-based-on-in-vitro-functional-properties-and-enzymatic-potentialities
#2
Houda Hmani, Lobna Daoud, Mouna Jlidi, Karim Jalleli, Manel Ben Ali, Adel Hadj Brahim, Mansour Bargui, Alaeddine Dammak, Mamdouh Ben Ali
We have proposed and validate an in vitro probiotic selection, based on enzymatic potentialities associated to well-established probiotic functional properties. A new Bacillus subtilis HB2 isolate, selected based on its high extracellular enzyme production, was chosen as a probiotic candidate for application as animal feed supplement. The HB2 strain showed an excellent acid and bile salts tolerance, a strong adhesion to chick enterocytes and produced antimicrobials against pathogens. An in vivo trial in poultry farming was conducted to evaluate the HB2 probiotic performance...
April 24, 2017: Journal of Industrial Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28431524/biosecurity-survey-in-relation-to-the-risk-of-hpai-outbreaks-in-backyard-poultry-holdings-in-thimphu-city-area-bhutan
#3
Tenzin Tenzin, Chador Wangdi, Purna Bdr Rai
BACKGROUND: A questionnaire survey was conducted to assess the biosecurity and other practices of backyard poultry holdings and knowledge and practices of poultry keepers following an outbreak of highly pathogenic avian influenza (H5N1) virus in poultry in Thimphu city area, Bhutan. RESULTS: The study identified 62 backyard poultry holdings in 12 settlement areas, and the owners were subsequently interviewed. The birds are kept in a low-input low-output system, fed locally available scavenging feed base, and supplemented with food scraps and some grain...
April 21, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28430086/genotypic-relatedness-and-antimicrobial-resistance-of-salmonella-heidelberg-isolated-from-chickens-and-turkeys-in-the-midwestern-united-states
#4
Muhammad Nisar, Issmat I Kassem, Gireesh Rajashekara, Sagar M Goyal, Dale Lauer, Shauna Voss, Kakambi V Nagaraja
Salmonella is one of the most common causes of foodborne illnesses in humans in the United States, and domestic poultry is considered an important source of this pathogen. Salmonella enterica subsp. enterica serovar Heidelberg is the fourth most commonly reported Salmonella from retail meats and food animals in the United States. We assessed the genotypes and antimicrobial resistance phenotypes of Salmonella Heidelberg isolated from various chicken and turkey hatcheries and breeder farms in the Midwest. The genotypes of 33 S...
May 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28420420/distribution-of-ticks-infesting-ruminants-and-risk-factors-associated-with-high-tick-prevalence-in-livestock-farms-in-the-semi-arid-and-arid-agro-ecological-zones-of-pakistan
#5
Abdul Rehman, Ard M Nijhof, Carola Sauter-Louis, Birgit Schauer, Christoph Staubach, Franz J Conraths
BACKGROUND: Tick infestation is the major problem for animal health that causes substantial economic losses, particularly in tropical and subtropical countries. To better understand the spatial distribution of tick species and risk factors associated with tick prevalence in livestock in Pakistan, ticks were counted and collected from 471 animals, including 179 cattle, 194 buffaloes, 80 goats and 18 sheep, on 108 livestock farms in nine districts, covering both semi-arid and arid agro-ecological zones...
April 19, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28411348/quantitative-detection-of-fecal-contamination-with-domestic-poultry-feces-in-environments-in-china
#6
Fang-Fang Zhuang, Hu Li, Xin-Yuan Zhou, Yong-Guan Zhu, Jian-Qiang Su
Poultry are an important source of fecal contamination in environments. However, tools for detecting and tracking this fecal contamination are in the early stages of development. In practice, we have found that source tracking methods targeting the 16S rRNA genes of poultry-specific microbiota are not sufficiently sensitive. We therefore developed two quantitative PCR assays for detection of poultry fecal contamination, by targeting chicken and duck mitochondrial genes: NADH dehydrogenase subunit 5 (ND5) and cytochrome b (cytb)...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28411217/transfer-potential-of-plasmids-encoding-extended-spectrum-cephalosporin-resistance-in-escherichia-coli-from-poultry
#7
Solveig Sølverød Mo, Marianne Sunde, Hanna Karin Ilag, Solveig Langsrud, Even Heir
Escherichia coli resistant to extended-spectrum cephalosporins (ESC) are widely distributed in Norwegian broiler production, and the majority harbour transferable IncK or IncI1 plasmids with blaCMY-2 Persistent occurrence in broiler farms may occur through survival of ESC-resistant E. coli in the farm environment, or by transfer and maintenance of resistance plasmids within a population of environmental bacteria with high survival abilities. The aim of this study was to determine the transferability of two successful blaCMY-2 carrying plasmids belonging to the incompatibility groups IncK and IncI1, into E...
April 14, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28410608/cross-sectional-survey-of-selected-enteric-viruses-in-polish-turkey-flocks-between-2008-and-2011
#8
K Domańska-Blicharz, Ł Bocian, A Lisowska, A Jacukowicz, A Pikuła, Z Minta
BACKGROUND: Enteric diseases are an important health problem for the intensive poultry industry, resulting in considerable economic losses. Apart from such microbiological agents associated with enteritis as bacteria and parasites, a lot of research has been recently conducted on viral origin of enteric diseases. However, enteric viruses have been identified in intestinal tract of not only diseased but also healthy poultry, so their role in enteritis is still unclear. The present study aimed at determination of the prevalence of four enteric viruses, namely astrovirus, coronavirus, parvovirus and rotavirus in meat-type turkey flocks in Poland as well as at statistical evaluation of the occurrence of the studied viruses and their relationships with the health status and the age of birds...
April 14, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28392123/reduced-turning-frequency-and-delayed-poultry-manure-addition-reduces-n-loss-from-sugarcane-compost
#9
S Bryndum, R Muschler, A Nigussie, J Magid, A de Neergaard
Composting is an effective method to recycle biodegradable waste as soil amendment in smallholder farming systems. Although all essential plant nutrients are found in compost, a substantial amount of nitrogen is lost during composting. This study therefore investigated the potential of reducing N losses by (i) delaying the addition of nitrogen-rich substrates (i.e. poultry manure), and (ii) reducing the turning frequency during composting. Furthermore, we tested the effect of compost application method on nitrogen mineralization...
April 6, 2017: Waste Management
https://www.readbyqxmd.com/read/28390936/evidence-of-campylobacter-jejuni-reduction-in-broilers-with-early-synbiotic-administration
#10
Loredana Baffoni, Francesca Gaggìa, Giuliano Garofolo, Gabriella Di Serafino, Enrico Buglione, Elisabetta Di Giannatale, Diana Di Gioia
C. jejuni is considered a food safety concern to both public health authorities and consumers since it is the leading bacterial cause of food-borne gastroenteritis in humans. A high incidence of C. jejuni in broiler flocks is often correlated to pathogen recovery in retail poultry meat, which is the main source of human infection. In this work broiler chickens were fed with a synbiotic product mixed with conventional feed using two different administration strategies. The synbiotic was formulated with the microencapsulated probiotic Bifidobacterium longum PCB133 and a xylo-oligosaccharide (XOS)...
April 3, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28386903/long-term-broiler-litter-amendments-can-alter-the-soil-s-capacity-to-sorb-monensin
#11
Sarah A Doydora, Peizhe Sun, Miguel Cabrera, Nehru Mantripragada, John Rema, Spyros G Pavlostathis, Ching-Hua Huang, Aaron Thompson
Monensin is a common antiparasitic drug given to poultry that contaminates poultry manure and bedding material (broiler litter). As broiler litter is commonly applied to agricultural fields as fertilizer, monensin could be released beyond the farm if it is not retained or degraded in the soil. This study aimed to assess the impact of long-term surface application of broiler litter (i.e., 17 years) on the capacity of pasture soil to sorb monensin. The soils were exposed to a range of monensin concentrations (0...
April 7, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28380540/animal-behavior-and-well-being-symposium-poultry-welfare-assessments-current-use-and-limitations
#12
R A Blatchford
Recent attention has been given to developing welfare assessment tools for research purposes and for use directly on poultry farms. Historically, most of these tools have relied on resource- and management-based measures, but it is unclear how well they correlate with outcomes indicative of positive animal welfare. The subjective nature of many of these tools also makes it difficult to generalize across studies and farms without extensive training. More recently, the European Union Welfare Quality project set out to design assessment tools that were scientifically based and combined resource- and management-based measures with animal-based measures...
March 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28372746/uptake-and-translocation-of-sulfamethazine-by-alfalfa-grown-under-hydroponic-conditions
#13
Sudarshan Kurwadkar, Garrett Struckhoff, Kameron Pugh, Om Singh
Antibiotics are routinely used in intensive animal agriculture operations collectively known as Concentrated Animal Feed Operations (CAFO) which include dairy, poultry and swine farms. Wastewater generated by CAFOs often contains low levels of antibiotics and is typically managed in an anaerobic lagoon. The objective of this research is to investigate the uptake and fate of aqueous sulfamethazine (SMN) antibiotic by alfalfa (Medicago sativa) grass grown under hydroponic conditions. Uptake studies were conducted using hydroponically grown alfalfa in a commercially available nutrient solution supplemented with 10mg/L of SMN antibiotic...
March 2017: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/28371593/isolation-and-identification-of-arcobacter-species-from-costa-rican-poultry-production-and-retail-sources
#14
Karol Barboza, Irina Angulo, Leana Zumbado, Mauricio Redondo-Solano, Eduardo Castro, María Laura Arias
Arcobacter is a gram-negative rod recognized as a potential food- and waterborne pathogen; nevertheless, little is known about the effects of this pathogen on human and animal health. Although Arcobacter species are commonly found in nature, poultry is suspected to be the main vehicle for the transmission of this pathogen. The aims of this work were to determine the prevalence of Arcobacter spp. in broilers produced in Costa Rica for human consumption and to analyze the pathogenic capacity of the isolates through the detection of virulence genes...
April 3, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28364834/chinese-farmers-willingness-to-accept-compensation-to-practice-safe-disposal-of-hpai-infected-chicken
#15
Zeying Huang, Jimin Wang, Alec Zuo
Highly Pathogenic Avian Influenza (HPAI) is a high morbidity and mortality zoonotic disease, which threatens poultry and human health. An outbreak of disease in China requires strict slaughter and disposal of all chickens within a three-kilometer radius, incurring large private costs for farmers and encouraging black market transactions. A stated preference survey of 331 farmers across six provinces in China was conducted in 2015, in order to measure the responsiveness of farmers to accept various compensation prices for safely disposing of HPAI infected chicken...
April 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28363251/assessment-of-air-sampling-methods-and-size-distribution-of-virus-laden-aerosols-in-outbreaks-in-swine-and-poultry-farms
#16
Carmen Alonso, Peter C Raynor, Sagar Goyal, Bernard A Olson, Anna Alba, Peter R Davies, Montserrat Torremorell
Swine and poultry viruses, such as porcine reproductive and respiratory syndrome virus (PRRSV), porcine epidemic diarrhea virus (PEDV), and highly pathogenic avian influenza virus (HPAIV), are economically important pathogens that can spread via aerosols. The reliability of methods for quantifying particle-associated viruses as well as the size distribution of aerosolized particles bearing these viruses under field conditions are not well documented. We compared the performance of 2 size-differentiating air samplers in disease outbreaks that occurred in swine and poultry facilities...
March 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28362816/livestock-associated-risk-factors-for-pneumonia-in-an-area-of-intensive-animal-farming-in-the-netherlands
#17
Gudrun S Freidl, Ineke T Spruijt, Floor Borlée, Lidwien A M Smit, Arianne B van Gageldonk-Lafeber, Dick J J Heederik, Joris Yzermans, Christel E van Dijk, Catharina B M Maassen, Wim van der Hoek
Previous research conducted in 2009 found a significant positive association between pneumonia in humans and living close to goat and poultry farms. However, as this result might have been affected by a large goat-related Q fever epidemic, the aim of the current study was to re-evaluate this association, now that the Q-fever epidemic had ended. In 2014/15, 2,494 adults (aged 20-72 years) living in a livestock-dense area in the Netherlands participated in a medical examination and completed a questionnaire on respiratory health, lifestyle and other items...
2017: PloS One
https://www.readbyqxmd.com/read/28349121/cloacael-carriage-and-multidrug-resistance-escherichia-coli-o157-h7-from-poultry-farms-eastern-ethiopia
#18
Mude Shecho, Naod Thomas, Jelalu Kemal, Yimer Muktar
A cross-sectional study was carried out to determine antimicrobial drug resistance patterns of E. coli O157:H7 isolates and estimate the level of the pathogen. A total of 194 cloacae swab samples were collected randomly in two poultry farms. Standard cultural, biochemical, and serological (latex agglutination) methods were used to isolate E. coli O157:H7. The isolates were subjected to antimicrobial susceptibility testing using disc diffusion method. Out of 194 cloacae samples examined, 13.4% (n = 26) were found to be positive for E...
2017: Journal of veterinary medicine
https://www.readbyqxmd.com/read/28343263/genotypic-and-pathogenic-characterization-of-genotype-vii-newcastle-disease-viruses-isolated-from-commercial-farms-in-egypt-and-evaluation-of-heterologous-antibody-responses
#19
A M Saad, Ahmed Samy, M A Soliman, A Arafa, A Zanaty, M K Hassan, A H Sultan, A I Bazid, A H Hussein
Newcastle disease viruses (NDV) represent a major threat to poultry production worldwide. Recently in Egypt NDV circulated extensively, even in vaccinated farms. In the present study samples were collected from sixteen vaccinated broiler farms in animals exhibiting the typical gross lesions of NDV. Virus isolation and pathogenicity studies for positive samples were carried out in accordance to reference procedures and phylogenetic analysis was carried out based on partial sequences of the Fusion gene. Furthermore, in vivo investigation of the ability of heterologous antibody, induced by commercially available lentogenic strain-based vaccines, to efficiently reduce viral shedding was examined...
March 25, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28339966/operational-challenges-and-opportunities-in-pastured-poultry-operations-in-the-united-states
#20
C Elkhoraibi, M Pitesky, N Dailey, D Niemeier
As pastured poultry production has gained increased popularity in the United States in recent years, there is a growing need for research and outreach efforts aimed at this sector of poultry production. In order to get familiarized with American pastured poultry producers, we conducted an online questionnaire aimed primarily at evaluating what operational challenges are faced by producers and what educational opportunities should be initiated by researchers. Results showed that pastured poultry farms largely vary in total number of acres farmed and total number of birds kept...
March 3, 2017: Poultry Science
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