keyword
https://read.qxmd.com/read/38536554/seasonal-variation-of-mycotoxin-levels-in-poultry-feeds-and-feed-ingredients-in-oyo-state-nigeria
#1
JOURNAL ARTICLE
Oluwaseun Olanrewaju Esan, Abioye Abiodun Okanlawon, Bamidele Nyemike Ogunro, John Olusoji Abiola, Sunday Charles Olaogun, Victor Ayodele Aliyu
Mycotoxins pose a major problem to poultry production as a result of feed contamination which has deleterious consequences such as production losses and human health risks. A total of 158 chicken feed samples were randomly collected from 46 consenting poultry farms in Oyo State throughout the wet season (April-October; 91 samples) and the dry season (November-March; 67 samples), including compounded feed (n = 129) and feed ingredients (n = 29). Samples were promptly transported to the laboratory in sterile plastic vials for lateral flow assay for mycotoxins using six different commercial mycotoxin test kits each for aflatoxin B1, zearalenone, deoxynivalenol, ochratoxin A, fumonisin, and T-2 toxin/HT-2 toxin...
March 27, 2024: Mycotoxin Research
https://read.qxmd.com/read/38535603/obtaining-microbiologically-safe-hatching-eggs-from-hatcheries-using-essential-oils-for-integrated-sanitization-strategies-in-hatching-eggs-poultry-houses-and-poultry
#2
REVIEW
Gabriel da Silva Oliveira, Concepta McManus, Igor Rafael Ribeiro Vale, Vinícius Machado Dos Santos
Essential oils are liquids containing non-toxic compounds that are unfavorable to the growth of microorganisms. They are sold globally at affordable or very high prices, depending on the availability and type of plant, the scale of production, the extraction method, costs associated with logistics and electricity consumption, among other variables. Each year, the quantity of research dedicated to the antimicrobial potential of essential oils in poultry farming is expanding. Researchers consensually relay that this increase is due to the growing resistance of microorganisms to traditional antimicrobials and concerns about the toxicity of these products...
March 18, 2024: Pathogens
https://read.qxmd.com/read/38534694/detection-of-extended-spectrum-beta-lactamase-esbl-producing-enterobacteriaceae-from-diseased-broiler-chickens-in-lusaka-district-zambia
#3
JOURNAL ARTICLE
Chikwanda Chileshe, Misheck Shawa, Nelson Phiri, Joseph Ndebe, Cynthia Sipho Khumalo, Chie Nakajima, Masahiro Kajihara, Hideaki Higashi, Hirofumi Sawa, Yasuhiko Suzuki, Walter Muleya, Bernard Mudenda Hang'ombe
Poultry products in Zambia form an integral part of the human diet in many households, as they are cheap and easy to produce. The burden of poultry diseases has, however, remained a major challenge. Growing consumer demand for poultry products in Zambia has resulted in non-prudent antimicrobial use on farms, intending to prevent and treat poultry diseases for growth optimisation and maximising profits. This cross-sectional study aimed to identify the different types of bacteria causing diseases in chickens in Lusaka and to detect the extended-spectrum lactamase (ESBL)-encoding genes...
March 15, 2024: Antibiotics
https://read.qxmd.com/read/38529824/the-financial-cost-of-coccidiosis-in-algerian-chicken-production-a-major-challenge-for-the-poultry-sector
#4
JOURNAL ARTICLE
Abderrahmen Rahmani, Hamza Ahmed Laloui, Radhouane Kara, Mohamed Abdesselem Dems, Nora Cherb, Abdenour Klikha, Damer P Blake
Coccidiosis caused by parasites of the genus Eimeria is a significant economic burden to the poultry industry. In this study, we conducted a comprehensive analysis to evaluate the financial losses associated with Eimeria infection in chickens in Algeria, relying on data provided by key stakeholders in the Algerian poultry industry to assess sub-clinical as well as clinical impact. The updated 2020 version of a model established to estimate the cost of coccidiosis in chickens was employed, taking into consideration specific cultural and technical aspects of poultry farming in Algeria...
March 26, 2024: Avian Pathology: Journal of the W.V.P.A
https://read.qxmd.com/read/38527537/connectivity-at-the-human-wildlife-interface-starling-movements-relate-to-carriage-of-e-coli
#5
JOURNAL ARTICLE
Alberto Sánchez-Cano, Cosme López-Calderón, Teresa Cardona Cabrera, Andy J Green, Ursula Höfle
Synanthropic bird species in human, poultry or livestock environments can increase the spread of pathogens and antibiotic-resistant bacteria between wild and domestic animals. We present the first telemetry-based spatial networks for a small songbird. We quantified landscape connectivity exerted by spotless starling movements, and aimed to determine if connectivity patterns were related to carriage of potential pathogens. We captured 28 starlings on a partridge farm in 2020 and tested them for Avian influenza virus, West Nile virus WNV, Avian orthoavulavirus 1, Coronavirus, Salmonella spp...
March 23, 2024: Science of the Total Environment
https://read.qxmd.com/read/38525653/detection-of-enterococcus-cecorum-to-identify-persistently-contaminated-locations-using-faecal-and-environmental-samples-in-broiler-houses-of-clinically-healthy-flocks
#6
JOURNAL ARTICLE
Jesper Tessin, Arne Jung, Amanda Silberborth, Karl Rohn, Jochen Schulz, Christian Visscher, Nicole Kemper
Worldwide outbreaks make infections with pathogenic strains of Enterococcus cecorum (EC) one of the most important diseases in the broiler industry. Although research has increased knowledge about the pathogen, the transmission is not fully understood. Samples from different locations were collected from two broiler farms in Germany over a total of six production cycles. Samples were collected at days 1, 5, 10, 15, 21, 27, 34, 41 post-hatch and after cleaning and disinfection (C&D). A total of 1017 samples were collected from 25 different locations on the farms...
March 25, 2024: Avian Pathology: Journal of the W.V.P.A
https://read.qxmd.com/read/38523157/genetic-structure-and-origin-of-emu-populations-in-japanese-farms-inferred-from-large-scale-snp-genotyping-based-on-double-digest-rad-seq
#7
JOURNAL ARTICLE
Yuichi Koshiishi, Kenta Wada
The emu is a novel poultry species in Japan. However, Japanese farmed emu populations have reduced genetic diversity owing to inbreeding. We have previously suggested that there are genetic resources in the Tohoku Safari Park (TSP) and Fuji/Kakegawa Kachoen Garden Park (FGP/KGP) to extend the genetic diversity of commercial emu farms based on microsatellite (SSR) and mitochondrial DNA. However, those markers provide relatively poor information. Thus, we investigated the genetic structure of farmed Japanese populations based on a large-scale genotyping system using RAD-seq and verified the usefulness of TSP and FGP/KGP as genetic resources for expanding genetic diversity...
March 24, 2024: Scientific Reports
https://read.qxmd.com/read/38521481/the-poultry-red-mite-dermanyssus-gallinae-travels-far-but-not-frequently-and-takes-up-permanent-residence-on-farms
#8
JOURNAL ARTICLE
L Boulanger, C Planchon, A Taudière, K D McCoy, S T G Burgess, A J Nisbet, K Bartley, P Galliot, P Creach, N Sleeckx, L Roy
Management of Dermanyssus gallinae, a cosmopolitan hematophagous mite responsible for damage in layer poultry farming, is hampered by a lack of knowledge of its spatio-temporal population dynamics. Previous studies have shown that the circulation of this pest between farms is of strictly anthropogenic origin, that a mitochondrial haplogroup has been expanding on European farms since the beginning of the 21st century and that its local population growth may be particularly rapid. To refine our understanding of how D...
March 21, 2024: Infection, Genetics and Evolution
https://read.qxmd.com/read/38516289/knowledge-and-practices-related-to-antibiotics-among-poultry-producers-and-veterinarians-in-two-indian-states
#9
JOURNAL ARTICLE
Garima Sharma, Tushar Kumar Dey, Razibuddin Ahmed Hazarika, Bibek Ranjan Shome, Rajeshwari Shome, Vijay Pal Singh, Ram Pratim Deka, Delia Grace, Johanna F Lindahl
BACKGROUND: Antibiotics are frequently utilized in livestock, particularly poultry, for therapy and growth promotion, resulting in antimicrobial resistance. Multidrug-resistant bacteria are frequent in poultry samples from India. The purpose of this study was to better understand main antibiotic consumption patterns in poultry value chains, as well as antibiotic knowledge and practices among the stakeholders. METHODS: A cross-sectional survey was conducted in Assam and Karnataka, India...
June 2024: One Health
https://read.qxmd.com/read/38513588/mitigating-tetracycline-antibiotic-contamination-in-chicken-manure-using-ex-situ-fermentation-system
#10
JOURNAL ARTICLE
Luyao Li, Xue Liu, Jiabin Li, Zhuobo Chen, Tingting Song, Shan Jin, Changxiong Zhu, Liangguo Luo, Bing Geng, Jie Zhu
Excessive use of tetracycline antibiotics in poultry farming results in significant concentrations of these drugs and tetracycline resistance genes (TRGs) in chicken manure, impacting both environmental and human health. Our research represents the first investigation into the removal dynamics of chlortetracycline (CTC) and TRGs in different layers of an ex situ fermentation system (EFS) for chicken waste treatment. By pinpointing and analyzing dominant TRGs-harboring bacteria and their interactions with environmental variables, we've closed an existing knowledge gap...
March 20, 2024: Journal of Environmental Management
https://read.qxmd.com/read/38511948/broad-host-range-phages-target-global-clostridium-perfringens-bacterial-strains-and-clear-infection-in-five-strain-model-systems
#11
JOURNAL ARTICLE
Anisha M Thanki, Emmanuel K Osei, Natasha Whenham, Michael G Salter, Mike R Bedford, Helen V Masey O'Neill, Martha R J Clokie
UNLABELLED: Clostridium perfringens is a prevalent bacterial pathogen in poultry, and due to the spread of antimicrobial resistance, alternative treatments are needed to prevent and treat infection. Bacteriophages (phages), viruses that kill bacteria, offer a viable option and can be used therapeutically to treat C. perfringens infections. The aim of this study was to isolate phages against C. perfringens strains currently circulating on farms across the world and establish their virulence and development potential using host range screening, virulence assays, and larva infection studies...
March 21, 2024: Microbiology Spectrum
https://read.qxmd.com/read/38509972/rural-households-livelihood-adaptation-strategies-in-the-face-of-changing-climate-a-case-study-from-pakistan
#12
JOURNAL ARTICLE
Nasir Abbas Khan, Ashfaq Ahmad Shah, Ataharul Chowdhury, Libin Wang, Bader Alhafi Alotaibi, Muhammad Rafay Muzamil
Rural and agricultural communities' adaptation to climate change has gained significant attention owing to many countries' vulnerability to climate change risks. A similar trend has been witnessed in South Asia, a highly climate-vulnerable region, where research has grown dramatically considering the agriculture sector's vulnerability to climate-induced disasters. However, little attention has been paid to the adaptation of the livelihoods of rural households. This research, therefore, takes the case of Pakistan to explore livelihood adaptation strategies of rural households to climate change and investigate the factors that expedite or halt the adoption of livelihood diversification strategies...
March 30, 2024: Heliyon
https://read.qxmd.com/read/38507831/validating-the-use-of-a-newly-developed-cinnamaldehyde-product-in-commercial-broiler-production
#13
JOURNAL ARTICLE
Heng Kang, Qi Wang, Hai Yu, Qian Guo, LIoyd Weber, Wendy Wu, Dion Lepp, Steve W Cui, Moussa S Diarra, Huaizhi Liu, Suqin Shao, Joshua Gong
Essential oils (EOs) have been considered as an alternative to antibiotics for animal production. In the current study, 4 trials were conducted on a commercial broiler farm to investigate the effects of dietary supplementation of an encapsulated cinnamon EO product (NE-OFF) on the bird growth performance, gut health, and gene expression in the ileum, spleen, and liver relating to the host response to heat and other stresses, including potential NE challenge. In each trial, approximately 30,000 Cobb or Ross broilers were randomly allocated to 4 treatments: a raised without antibiotics (RWA) commercial diet as positive control, an adjusted RWA commercial diet as negative control, and the negative control diet supplemented with 2 different dosages of NE-OFF, which was added during feed pelleting...
March 7, 2024: Poultry Science
https://read.qxmd.com/read/38507829/molecular-and-metabolic-responses-to-immune-stress-in-the-jejunum-of-broiler-chickens-transcriptomic-and-metabolomic-analysis
#14
JOURNAL ARTICLE
Weidong Hu, Lin Du, Jianjian Shao, Yiwen Qu, Li Zhang, Dezhi Zhang, Liting Cao, Hongwei Chen, Shicheng Bi
In the large poultry industry, where farmed chickens are fed at high density, the prevalence of pathogens and repeated vaccinations induce immune stress, which can significantly decrease the production performance and increase the mortality. This study was designed to shed light on the molecular mechanisms and metabolic pathways involved in immune stress through an in-depth analysis of transcriptomic and metabolomic changes in jejunum samples from the broilers. Two groups were established for the experiment: a control group and an LPS group...
March 6, 2024: Poultry Science
https://read.qxmd.com/read/38506577/modeling-the-economic-impact-for-chile-of-an-import-ban-on-genetically-modified-maize
#15
JOURNAL ARTICLE
William Foster, Jorge Ortega, Gonzalo Vargas
We estimate producer and consumer surplus changes due to a possible GM maize import ban in Chile, which produces only non-GM grains for internal use. Without foreign non-GM sources, the ban's effect on domestic maize prices would be so significant as to induce Chile to switch from net exporter to net importer of animal products. Fixed factor owners in farm production would benefit significantly, although non-GM maize imports would moderate gains. Total social welfare measures would decline considerably, requiring large offsetting noneconomic benefits for a ban's political viability...
December 31, 2024: GM Crops & Food
https://read.qxmd.com/read/38503221/molecular-characterization-of-antibiotic-resistant-salmonella-enterica-across-the-poultry-production-chain-in-costa-rica-a-cross-sectional-study
#16
JOURNAL ARTICLE
Andrea Molina, Thorsten Thye, Lohendy Muñoz-Vargas, Rebeca Zamora-Sanabria, Daniel Haile Chercos, Raquel Hernández-Rojas, Noelia Robles, Daniela Aguilar, Jürgen May, Denise Dekker
Antibiotic resistant Salmonella enterica are on the increase, worldwide. Given the scarcity of data, this study aimed to investigate its occurrence, virulence, and antibiotic resistance in Costa Rica's food chain. In total, 65 chicken meat- and 171 chicken caecal samples were collected and examined for Salmonella. High frequencies of Salmonella were found in chicken meat (58.5 %, n/N = 38/65) and poultry farms (38.0 %, n/N = 65/171). The majority of Salmonella from chicken meat (89...
March 7, 2024: International Journal of Food Microbiology
https://read.qxmd.com/read/38501800/the-european-livestock-resistome
#17
JOURNAL ARTICLE
Patrick Munk, Dongsheng Yang, Timo Röder, Leonie Maier, Thomas Nordahl Petersen, Ana Sofia Ribeiro Duarte, Philip T L C Clausen, Christian Brinch, Liese Van Gompel, Roosmarijn Luiken, Jaap A Wagenaar, Heike Schmitt, Dick J J Heederik, Dik J Mevius, Lidwien A M Smit, Alex Bosser, Frank M Aarestrup
Metagenomic sequencing has proven to be a powerful tool in the monitoring of antimicrobial resistance (AMR). Here, we provide a comparative analysis of the resistome from pigs, poultry, veal calves, turkey, and rainbow trout, for a total of 538 herds across nine European countries. We calculated the effects of per-farm management practices and antimicrobial usage (AMU) on the resistome in pigs, broilers, and veal calves. We also provide an in-depth study of the associations between bacterial diversity, resistome diversity, and AMR abundances as well as co-occurrence analysis of bacterial taxa and antimicrobial resistance genes (ARGs) and the universality of the latter...
March 19, 2024: MSystems
https://read.qxmd.com/read/38496339/economic-assessment-of-an-intervention-strategy-to-reduce-antimicrobial-usage-in-small-scale-chicken-farms-in-vietnam
#18
JOURNAL ARTICLE
Truong Dinh Bao, Nguyen Van Cuong, Nguyen Nhu Mai, Le Thi Thu Ha, Doan Hoang Phu, Bach Tuan Kiet, Juan Carrique-Mas, Jonathan Rushton
Antimicrobials are a core aspect of most livestock production systems, especially in low-and middle-income countries. They underpin the efficient use of scarce feed resources and stabilize returns on capital and labor inputs. Antimicrobial use (AMU) contributes to the production of healthy animals, yet AMU in livestock is linked to antimicrobial resistance (AMR) in animals, humans and the environment. The Vietnamese Platform for Antimicrobial Reduction in Chicken Production was implemented during 2016-2019 and was one of Southeast Asia's first interventions focused on AMU reductions in livestock production...
June 2024: One Health
https://read.qxmd.com/read/38496262/molecular-and-serological-investigation-of-infectious-bronchitis-virus-in-the-east-shewa-central-ethiopia
#19
JOURNAL ARTICLE
Gemachu Hirbaye, Eyob Hirpa Tola, Nebyou Moje, Teshale Sori
BACKGROUND: Infectious bronchitis (IB) is an economically important disease in poultry with worldwide distribution. The occurrence of IB has been reported both in commercial and backyard poultry in Ethiopia, although comprehensive information lacks available prevalence of the disease and the circulating serotypes. METHODS: A cross-sectional study was conducted from November 2021 to June 2022 in seven commercial farms found in East Shewa, Central Ethiopia. Serological assay using indirect ELISA, virus isolation techniques in embryonated eggs, and molecular techniques such as one-step reverse transcriptase polymerase chain reaction (RT-PCR) and nested polymerase chain reaction (PCR) targeting a 466 bp S1 gene were employed...
2024: Veterinary Medicine
https://read.qxmd.com/read/38492183/prophylactic-and-therapeutic-efficacy-of-ultrasonicated-rosmarinus-officinalis-ethanolic-extract-and-its-chitosan-loaded-nanoparticles-against-eimeria-tenella-infected-broiler-chickens
#20
JOURNAL ARTICLE
Shaimaa M Kasem, Nabila M Mira, Ibrahim B Helal, Magdy E Mahfouz
PURPOSE: The in vivo efficacy of ultrasonicated Rosmarinus officinalis ethanolic extract (UROEE) and its chitosan-loaded nanoparticles (UROEE-CsNPs) was investigated as a dietary prophylactic agent and as a therapeutic treatment against Eimeria tenella infected broiler chickens. METHODS: Chickens were infected with 4 × 104 E. tenella oocysts at 21 days old for primary infection and with 8 × 104 oocysts at 35 days old for secondary infection...
March 16, 2024: Acta Parasitologica
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