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https://www.readbyqxmd.com/read/28472118/effect-of-dietary-supplementation-with-lactobacillus-acidophilus-d2-csl-cect-4529-on-caecum-microbioma-and-productive-performance-in-broiler-chickens
#1
Alessandra De Cesare, Federico Sirri, Gerardo Manfreda, Paola Moniaci, Alberto Giardini, Marco Zampiga, Adele Meluzzi
This study examines the effects of the dietary supplementation with Lactobacillus acidophilus D2/CSL (CECT 4529) (LA) on productive performances, incidence of foot pad dermatitis and caecum microbioma in broiler chickens. A total of 1,100 one-day old male Ross 308 chicks were divided into 2 groups of 16 replicates with 25 birds each and reared from 1-41 d. One group was fed a basal diet (CON) and the other group the same diet supplemented with LA. Caecum contents were collected from 4 selected birds at day one and 5 selected birds at the end of the rearing period...
2017: PloS One
https://www.readbyqxmd.com/read/28464112/association-between-environmental-predisposing-risk-factors-and-leg-disorders-in-broiler-chickens
#2
E Tullo, I Fontana, A Peña Fernandez, E Vranken, T Norton, D Berckmans, M Guarino
Footpad dermatitis and lameness are a major welfare concern in broiler chicken farming. In general, footpad lesions are linked to poor environmental conditions. Ulcers that arise from advanced lesions can negatively affect the gait of the birds, with effects on the animal welfare, including, in the worst cases, inability to reach the feed or water. In this study, the degree of footpad dermatitis and lameness was manually scored on 4 broiler farms across Europe, as part of an EU-wide welfare assessment program...
April 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28437653/effects-of-acidic-and-neutral-biochars-on-properties-and-cadmium-retention-of-soils
#3
Fangjie Qi, Zhaomin Dong, Dane Lamb, Ravi Naidu, Nanthi S Bolan, Yong Sik Ok, Cuixia Liu, Naser Khan, M A H Johir, Kirk T Semple
In this study, an acidic biochar and a neutral biochar were applied at 5 wt% into two soils for an 11-month incubation experiment. One Ferrosol soil (Ba) was slightly acidic with low organic matter and the other Dermosol soil (Mt) was slightly alkaline with high organic matter. The acidic (pH = 3.25) wood shaving (WS) biochar had no marked impact on nutrient levels, cation exchange capacity (CEC), pH and acid neutralization capacity (ANC) of either soil. By contrast, the neutral (pH = 7.00) chicken litter (CL) biochar significantly increased major soluble nutrients, pH, ANC of soil Ba...
April 5, 2017: Chemosphere
https://www.readbyqxmd.com/read/28427257/effect-of-dietary-calcium-concentrations-in-low-non-phytate-phosphorus-diets-containing-phytase-on-growth-performance-bone-mineralization-litter-quality-and-footpad-dermatitis-incidence-in-growing-broiler-chickens
#4
Jong Hyuk Kim, Hyunjung Jung, Franco Martinez Pitargue, Gi Ppeum Han, Hyeon Seok Choi, Dong Yong Kil
Objective: An experiment was conducted to investigate the effect of dietary Ca concentrations in low non-phytate phosphorus (NPP) diets containing phytase on growth performance, bone mineralization, litter quality, and footpad dermatitis (FPD) incidence in growing broiler chickens. Methods: A total of 1,800 21-day-old Ross 308 growing broiler chickens were allotted to 1 of 6 dietary treatments with 6 replicated cages. Six diets were formulated to provide increasing Ca concentrations of 4...
April 21, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28398088/effects-of-fermented-cottonseed-meal-on-the-growth-performance-gastrointestinal-microflora-population-and-small-intestinal-morphology-in-broiler-chickens
#5
V Jazi, F Boldaji, B Dastar, S R Hashemi, A Ashayerizadeh
1. This experiment was conducted to evaluate the effects of replacing dietary cottonseed meal (CSM) or fermented cottonseed meal (FCSM) for soybean meal (SBM) on growth performance, carcass characteristics, gastrointestinal microbial populations, and intestinal morphology of broiler chickens. 2. CSM was fermented with Bacillus subtilis, Aspergillus niger and Aspergillus oryzae for 7 days. A total of 300 one-d-old male Ross 308 broiler chickens were used in a 42-d experiment in which the birds were randomly allotted to one of 5 dietary treatments (containing 0, 10 and 20 percent CSM or FCSM) in a completely randomised design...
April 11, 2017: British Poultry Science
https://www.readbyqxmd.com/read/28339770/characterization-of-indigenous-aseel-chicken-breed-for-morphological-growth-production-and-meat-composition-traits-from-india
#6
U Rajkumar, S Haunshi, C Paswan, M V L N Raju, S V Rama Rao, R N Chatterjee
Aseel is an important native chicken breed of India, known for its martial qualities (aggressive fighting abilities), pugnacity, and majestic gait. The aim of the study is to conserve and characterize the Aseel germplasm, which is considered to be endangered. The birds were maintained on deep litter under a simulated backyard type of housing having night shelter and a free-range area. A total of 313 chicks produced in the second generation from the flock collected from native tract in Andhra Pradesh was characterized for morphological, growth, production, and meat quality parameters...
February 23, 2017: Poultry Science
https://www.readbyqxmd.com/read/28321028/durability-of-alkaline-agents-bactericidal-efficacies-in-litter-under-field-conditions
#7
Hakimullah Hakim, Chiharu Toyofuku, Mari Ota, Mayuko Suzuki, Miyuki Komura, Masashi Yamada, Md Shahin Alam, Natthanan Sangsriratanakul, Dany Shoham, Kazuaki Takehara
Alkaline agents are well-known for their disinfection capacities against pathogens even at the presence of organic materials, but the durability of their bactericidal efficacies under field conditions is unknown. Therefore, within the present study, two alkaline agents, namely bioceramic (BCX) derived from chicken feces and food additive grade Ca(OH)2 (FdCa(OH)2) derived from natural lime stone, were evaluated for the persistence of their bactericidal efficacies in litter, under simulated field conditions. BCX powder mixed at 50% concentration in litter or FdCa(OH)2 powder at 20% concentration in litter lost their bactericidal efficacies at 3 days post exposure of chicks, and thereafter, both mentioned alkaline agents could not inactivate bacteria down to the acceptable level (≥3 log10 CFU/ml reduction)...
May 3, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28278292/salmonella-serovars-and-their-distribution-in-nigerian-commercial-chicken-layer-farms
#8
Idowu Oluwabunmi Fagbamila, Lisa Barco, Marzia Mancin, Jacob Kwaga, Sati Samuel Ngulukun, Paola Zavagnin, Antonia Anna Lettini, Monica Lorenzetto, Paul Ayuba Abdu, Junaidu Kabir, Jarlath Umoh, Antonia Ricci, Maryam Muhammad
Commercial poultry farms (n° 523), located in all the six regions of Nigeria were sampled with a view to generate baseline information about the distribution of Salmonella serovars in this country. Five different matrices (litter, dust, faeces, feed and water) were collected from each visited farm. Salmonella was isolated from at least one of the five matrices in 228 farms, with a farm prevalence of 43.6% (CI95[39.7-48.3%]). Altogether, 370 of 2615 samples collected (14.1%, CI95[12.8; 15.5%]) contained Salmonella...
2017: PloS One
https://www.readbyqxmd.com/read/28258625/modelling-based-identification-of-factors-influencing-campylobacters-in-chicken-broiler-houses-and-on-carcasses-sampled-after-processing-and-chilling
#9
M L Hutchison, M J Taylor, M A Tchòrzewska, G Ford, R H Madden, T G Knowles
AIMS: To identify production and processing practices that might reduce Campylobacter numbers contaminating chicken broiler carcasses. METHODS AND RESULTS: The numbers of campylobacters were determined on carcass neck skins after processing or in broiler house litter samples. Supplementary information that described farm layouts, farming conditions for individual flocks, the slaughterhouse layouts and operating conditions inside plants was collected, matched with each Campylobacter test result...
March 4, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28066939/the-nutrition-of-poultry-as-a-factor-affecting-litter-quality-and-foot-pad-dermatitis-an-updated-review
#10
REVIEW
S Swiatkiewicz, A Arczewska-Wlosek, D Jozefiak
Foot pad dermatitis (FPD), a condition of inflammation and necrotic lesions on the plantar surface of the footpads, is commonly observed in fast-growing broiler chickens and turkeys. FPD negatively affects the welfare of birds, performance indices and the economic profit of poultry meat production. Nutrition is an important factor affecting water intake, excreta moisture and litter quality and, in this way, the occurrence and intensity of FPD in birds. This article reviews and discusses the recent results published in the literature on the effects of nutritional factors on litter quality and FPD severity in broiler chickens and turkeys...
January 8, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28053585/comparative-efficacy-of-different-approaches-to-managing-meloidogyne-incognita-on-green-bean
#11
Ahmad S Al-Hazmi, Ahmed A M Dawabah, Saleh N Al-Nadhari, Fahad A Al-Yahya
A greenhouse study was conducted to compare the relative efficacy of different approaches to managing Meloidogyne incognita on green bean. These approaches included chemical (fumigant, non-fumigant, seed dressing, and seed dip), biological (the egg-parasitic fungus, Paecilomyces lilacinus and the mycorrhizal fungus Glomus sp.), physical (soil solarization), and cultural (chicken litter and urea) methods. Accordingly, nine different control materials and application methods plus nematode-infected and non-infected controls were compared...
January 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/27932039/anaerobic-digestion-of-nitrogen-rich-poultry-manure-impact-of-thermophilic-biogas-process-on-metal-release-and-microbial-resistances
#12
Reshma Anjum, Elisabeth Grohmann, Niclas Krakat
Poultry manure is a nitrogen rich fertilizer, which is usually recycled and spread on agricultural fields. Due to its high nutrient content, chicken manure is considered to be one of the most valuable animal wastes as organic fertilizer. However, when chicken litter is applied in its native form, concerns are raised as such fertilizers also include high amounts of antibiotic resistant pathogenic Bacteria and heavy metals. We studied the impact of an anaerobic thermophilic digestion process on poultry manure...
February 2017: Chemosphere
https://www.readbyqxmd.com/read/27902913/regulatory-considerations-for-the-approval-of-drugs-against-histomoniasis-blackhead-disease-in-turkeys-chickens-and-game-birds-in-the-united-states
#13
Prajwal R Regmi, Ashley L Shaw, Laura L Hungerford, Janis R Messenheimer, Tong Zhou, Padmakumar Pillai, Amy Omer, Jeffrey M Gilbert
Histomoniasis, commonly referred to as blackhead disease, is a serious threat to the turkey and game bird industries worldwide, and it is having an increasingly negative impact on the chicken industry as well. The Food and Drug Administration's (FDA) Center for Veterinary Medicine (CVM), charged with the approval and regulation of new animal drugs in the United States, understands the rising need for the availability of therapeutic options against histomoniasis. CVM has actively engaged in discussions with the poultry industry, academic institutions, and animal health companies regarding the current status of histomoniasis in the United States and varied success of past and current management, prophylactic, and therapeutic interventions that have been used against the disease...
December 2016: Avian Diseases
https://www.readbyqxmd.com/read/27864134/biochemical-methane-potential-of-oil-extracted-microalgae-and-glycerol-in-co-digestion-with-chicken-litter
#14
José Carlos Meneses-Reyes, Guadalupe Hernández-Eugenio, David H Huber, Nagamani Balagurusamy, Teodoro Espinosa-Solares
The objective of this work was to evaluate the technical feasibility of using both oil-extracted microalgae (M) and glycerol (G) in co-digestion with chicken litter (CL), thereby improving biochemical methane potential (BMP). Different feedstock ratios of M (0-30%), G (0-3%) and CL (67-100%) were investigated to determine the best co-digestion condition under mesophilic conditions. According to the modified Gompertz model, the best BMP (131.1mLCH4gVSfed(-1)) was obtained with the triple co-digestion (M:G:CL) in a proportion of 30:3:67...
January 2017: Bioresource Technology
https://www.readbyqxmd.com/read/27766900/pathogenicity-tissue-distribution-shedding-and-environmental-detection-of-two-strains-of-ibdv-following-infection-of-chickens-at-0-and-14-days-of-age
#15
J M K G K Jayasundara, S W Walkden-Brown, M E Katz, A F M F Islam, K G Renz, J McNally, P W Hunt
Infectious bursal disease virus (IBDV) is endemic to most poultry-producing countries worldwide. Immunosuppressive classical and variant IBDV strains endemic to Australia are genetically distinct from other international strains. We report the results of infection experiments with Australian classical strain 06/95 and variant strain 02/95 in SPF chickens. We tested the effects of strain and age of infection on bursal atrophy, viral RNA (vRNA) load in bursa of Fabricius (bursa), spleen, thymus, caecal tonsils, faeces, litter and exhaust dust as determined by real-time reverse transcriptase polymerase chain reaction...
June 2017: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/27664201/characterisation-and-quantification-of-changes-in-odorants-from-litter-headspace-of-meat-chickens-fed-diets-varying-in-protein-levels-and-additives
#16
Nishchal K Sharma, Mingan Choct, Mark W Dunlop, Shu-Biao Wu, Hardy Z Castada, Robert A Swick
The effect of dietary crude protein (CP) and additives on odor flux from meat chicken litter was investigated using 180 day-old Ross 308 male chicks randomly allocated to five dietary treatments with three replicates of 12 birds each. A 5 × 3 factorial arrangement of treatments was employed. Factors were: diet (low CP, high CP, high CP+antibiotic, high CP+probiotic, high CP+saponin) and age (15, 29, 35 days). The antibiotic used was Zn bacitracin, the probiotic was a blend of three Bacillus subtilis strains and the saponin came from a blend of Yucca and Quillaja...
September 23, 2016: Poultry Science
https://www.readbyqxmd.com/read/27633837/stable-isotope-ratio-method-for-the-characterisation-of-the-poultry-house-environment
#17
Raminta Skipitytė, Agnė Mašalaitė, Andrius Garbaras, Rūta Mickienė, Ona Ragažinskienė, Violeta Baliukonienė, Bronius Bakutis, Jūratė Šiugždaitė, Saulius Petkevičius, Audrius Sigitas Maruška, Vidmantas Remeikis
Stable isotope analysis was applied to describe the poultry house environment. The poultry house indoor environment was selected for this study due to the relevant health problems in animals and their caretakers. Air quality parameters including temperature, relative humidity, airflow rate, NH3, CO2 and total suspended particles, as well as mean levels of total airborne bacteria and fungi count, were measured. Carbon isotope ratios ((13)C/(12)C) were obtained in size-segregated aerosol particles. The carbon ((13)C/(12)C) and nitrogen ((15)N/(14)N) isotope ratios were measured in feed, litter, scrapings from the ventilation system, feathers and eggs...
June 2017: Isotopes in Environmental and Health Studies
https://www.readbyqxmd.com/read/27470660/high-throughput-genomic-sequencing-of-bioaerosols-in-broiler-chicken-production-facilities
#18
Kate M O'Brien, Michael S Chimenti, Morgan Farnell, Tom Tabler, Thomas Bair, Joey L Bray, Matthew W Nonnenmann
Chronic inhalation exposure to agricultural dust promotes the development of chronic respiratory diseases among poultry workers. Poultry dust is composed of dander, chicken feed, litter bedding and microbes. However, the microbial composition and abundance has not been fully elucidated. Genomic DNA was extracted from settled dust and personal inhalable dust collected while performing litter sampling or mortality collection tasks. DNA libraries were sequenced using a paired-end sequencing-by-synthesis approach on an Illumina HiSeq 2500...
July 28, 2016: Microbial Biotechnology
https://www.readbyqxmd.com/read/27397991/prevalence-of-coccidiosis-among-village-and-exotic-breed-of-chickens-in-maiduguri-nigeria
#19
Jallailudeen Rabana Lawal, Saleh Mohammed Jajere, Umar Isa Ibrahim, Yaqub Ahmed Geidam, Isa Adamu Gulani, Gambo Musa, Benjamin U Ibekwe
AIM: Coccidiosis is an important enteric parasitic disease of poultry associated with significant economic losses to poultry farmers worldwide. This survey was conducted from June 2014 through July 2015 with the main goal of investigating the prevalence and associated risk factors of coccidiosis among village and exotic breeds of chickens in Maiduguri, Northeastern Nigeria. MATERIALS AND METHODS: A total of 600 fecal samples from live and slaughtered birds comprising 284 young, 141, growers and 175 adult birds; 379 male and 221 female birds; 450 exotic and 150 local breeds of birds were randomly collected either as bird's fresh droppings or cutting open an eviscerated intestine of slaughtered birds, while noting their age, sex, and breeds...
June 2016: Veterinary World
https://www.readbyqxmd.com/read/27291674/listeria-species-in-broiler-poultry-farms-potential-public-health-hazards
#20
Hesham Dahshan, Abdallah Mohamed Amin Merwad, Taisir Saber Mohamed
Broiler meat production worldwide has been plagued by lethal food-poisoning bacteria diseases, including listeriosis. A fatality rate of 15.6% was recorded in human beings in the EU in 2015. During 2013, a total of 200 poultry farm samples, including litter, chicken breast, farm feed, and drinking water, were collected to generate baseline data for the characterization of the genus Listeria in broiler poultry farms. Listeria spp. were detected in a total of 95 (47.5%) poultry farm samples. The isolates of Listeria spp...
September 28, 2016: Journal of Microbiology and Biotechnology
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