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https://www.readbyqxmd.com/read/28527378/life-cycle-assessment-of-superheated-steam-drying-technology-as-a-novel-cow-manure-management-method
#1
Mohammadmatin Hanifzadeh, Zahra Nabati, Pairote Longka, Pomthong Malakul, Defne Apul, Dong-Shik Kim
Common methods of managing dairy manure are directly applying it to the farm field as a fertilizer. For direct application without any type of treatment, the majority of nutrients in the manure run off to the local river and lake during precipitation periods. The algae bloom is one of the environmental outcomes due to eutrophication of the lakes, which may jeopardize the quality of drinking water. In this study, superheated steam drying (SSD) technology is investigated as an alternative manure management method...
May 17, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28524014/composition-and-enzymatic-activity-in-bulk-milk-from-dairy-farms-with-conventional-or-robotic-milking-systems
#2
Monika Johansson, Åse Lundh, Ruben de Vries, Kerstin Svennersten Sjaunja
The objective of the studies reported in this research communication was to investigate differences in composition and enzymatic activities in bulk milk samples provided from Swedish dairy farms with different management systems, i.e. automated (AMS) and conventional milking systems (CMS). A bulk milk sample was collected from each of 104 dairy farms, 51 using AMS and 53 using CMS, located in the same geographical region. Sampling took place within two consecutive days during the indoor period (October). Milk samples were analysed for contents of total fat and protein, free fatty acids (FFA), caseins and whey proteins, somatic cell count (SCC), pH, plasmin and plasminogen derived activities, and total proteolysis...
May 2017: Journal of Dairy Research
https://www.readbyqxmd.com/read/28516322/do-functional-diversity-and-trait-dominance-determine-carbon-storage-in-an-altered-tropical-landscape
#3
Achim Häger, Gerardo Avalos
Altered landscapes play a major role in biodiversity conservation and carbon (C) storage in the tropics. There is increasing evidence that C storage potential is controlled by tree functional diversity, but underlying mechanisms are debated. We analyzed the effects of trait dominance (mass-ratio hypothesis), species diversity, and trait variation (species complementarity) on C storage in the soils and vegetation of 20 agroforestry systems (AFS) and seven forested sites in Costa Rica. AFS consisted of organic and conventional coffee farms and pastures with trees...
May 17, 2017: Oecologia
https://www.readbyqxmd.com/read/28515650/prevalence-and-comparing-of-some-microbiological-properties-somatic-cell-count-and-antibiotic-residue-of-organic-and-conventional-raw-milk-produced-in-turkey
#4
Bayram Ürkek, Mustafa Şengül, Tuba Erkaya, Vecihi Aksakal
The aim of this study was to investigate the effects of production systems and milk collection periods on the somatic cell count (SCC), some microbiological properties, total aerobic mesophilic bacteria (TAMB), coliform, Staphylococcus aureus (S. aureus), yeast and mould) and antibiotic residue of milk; in Turkey. Milk samples were collected from 9 conventional farms and 9 organic farms during one year time, at six different months (December 2013 to October 2014), and all farms were selected from the same geographical locations...
2017: Korean Journal for Food Science of Animal Resources
https://www.readbyqxmd.com/read/28490068/micropollutants-and-chemical-residues-in-organic-and-conventional-meat
#5
Gaud Dervilly-Pinel, Thierry Guérin, Brice Minvielle, Angélique Travel, Jérôme Normand, Marie Bourin, Eric Royer, Estelle Dubreil, Sophie Mompelat, Frédéric Hommet, Marina Nicolas, Vincent Hort, Chanthadary Inthavong, Mailie Saint-Hilaire, Claude Chafey, Julien Parinet, Ronan Cariou, Philippe Marchand, Bruno Le Bizec, Eric Verdon, Erwan Engel
The chemical contamination levels of both conventional and organic meats were assessed. The objective was to provide occurrence data in a context of chronic exposure. Environmental contaminants (17 polychlorinated dibenzodioxins/dibenzofurans, 18 polychlorinated biphenyls (PCBs), 3 hexabromocyclododecane (HBCD) isomers, 6 mycotoxins, 6 inorganic compounds) together with chemical residues arising from production inputs (75 antimicrobials, 10 coccidiostats and 121 pesticides) have been selected as relevant compounds...
October 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28460041/warming-alters-prey-density-and-biological-control-in-conventional-and-organic-agricultural-systems
#6
Ebony G Murrell, Brandon T Barton
: Studies have shown that organically farmed fields promote natural predator populations and often have lower pest populations than conventional fields, due to a combination of increased predation pressure and greater plant resistance to pest damage. It is unknown how pest populations and predator efficacy may respond in these farming systems as global temperatures increase. To test these questions, we placed enclosures in eight alfalfa fields farmed using conventional (n = 4) or organic (n = 4) practices for 25 years...
April 27, 2017: Integrative and Comparative Biology
https://www.readbyqxmd.com/read/28436343/implications-of-feed-concentrate-reduction-in-organic-grassland-based-dairy-systems-a-long-term-on-farm-study
#7
F Leiber, I K Schenk, A Maeschli, S Ivemeyer, J O Zeitz, S Moakes, P Klocke, P Staehli, C Notz, M Walkenhorst
In response to increasing efforts for reducing concentrate inputs to organic dairy production in grassland-rich areas of Europe, a long-term study was conducted, which assessed the impacts of concentrate reductions on cows' performance, health, fertility and average herd age. In total, 42 Swiss commercial organic dairy cattle farms were monitored over 6 years ('Y0', 2008/09 until 'Y5', 2013/14). In comparison with overall data of Swiss herdbooks (including conventional and organic farms), the herds involved in the project had lower milk yields, similar milk solids, shorter calving intervals and higher average lactation numbers...
April 24, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28433811/rapid-and-sensitive-detection-of-salmonid-alphavirus-using-taqman-real-time-pcr
#8
Wen Shi, Aochen Song, Shuai Gao, Yuting Wang, Lijie Tang, Yigang Xu, Tong Ren, Yijing Li, Min Liu
Salmonid alphavirus (SAV) infection has led to the spread of salmon pancreas disease (PD) and sleeping disease (SD) to salmonids in several countries in Europe, resulting in tremendous economic losses to the fish farming industry. Recently, with increases in the fish import trade, many countries in which SAV has been unreported, such as China, may be seriously threatened by these diseases. It is therefore necessary to develop efficient detection methods for the prevention and diagnosis of SAV infection. In this study, a rapid and sensitive TaqMan real-time PCR method was established and assessed for this purpose...
April 19, 2017: Molecular and Cellular Probes
https://www.readbyqxmd.com/read/28414586/development-and-validation-of-monoclonal-antibody-based-antigen-capture-elisa-for-detection-of-group-a-porcine-rotavirus
#9
Atta Muhammad Memon, Anjuman Ara Bhuyan, Fangzhou Chen, Xiaozhen Guo, Harish Menghwar, Yinxing Zhu, Xugang Ku, Shuhua Chen, Zhonghua Li, Qigai He
Porcine rotavirus-A (PoRVA) is one of the common causes of mild to severe dehydrating diarrhea, leading to losses in weaning and postweaning piglets. A rapid, highly specific, and sensitive antigen-capture enzyme-linked immunosorbent assay (AC-ELISA) was developed for detection of PoRVA, by using VP6 (a highly conserved and antigenic protein of group-A rotavirus)-directed rabbit polyclonal antibodies (capture antibody) and murine monoclonal antibodies (detector antibody). The detection limit of AC-ELISA was found to be equal to that of conventional reverse transcription-polymerase chain reaction (RT-PCR; about 10(2...
May 2017: Viral Immunology
https://www.readbyqxmd.com/read/28413249/agricultural-input-credit-in-sub-saharan-africa-telling-myth-from-facts
#10
Serge G Adjognon, Lenis Saweda O Liverpool-Tasie, Thomas A Reardon
Recent evidence shows that many Sub-Saharan African farmers use modern inputs, but there is limited information on how these inputs are financed. We use recent nationally representative data from four countries to explore input financing and the role of credit therein. A number of our results contradict "conventional wisdom" found in the literature. Our results consistently show that traditional credit use, formal or informal, is extremely low (across credit type, country, crop and farm size categories). Instead, farmers primarily finance modern input purchases with cash from nonfarm activities and crop sales...
February 2017: Food Policy
https://www.readbyqxmd.com/read/28412765/advanced-value-chain-collaboration-in-ghana-s-cocoa-sector-an-entry-point-for-integrated-landscape-approaches
#11
Howard Deans, Mirjam A F Ros-Tonen, Mercy Derkyi
Value chain analyses have focused mainly on collaboration between chain actors, often neglecting collaboration "beyond the chain" with non-chain actors to tackle food security, poverty and sustainability issues in the landscapes in which these value chains are embedded. Comparing conventional and advanced value chain collaborations involving small-scale cocoa farmers in Ghana, this paper analyzes the merits of a more integrated approach toward value chain collaboration. It particularly asks whether advanced value chain collaboration targeting cocoa-producing areas potentially offers an entry point for implementing a landscape approach...
April 15, 2017: Environmental Management
https://www.readbyqxmd.com/read/28405459/field-efficacy-of-porcilis%C3%A2-pcv-m-hyo-versus-a-licensed-commercially-available-vaccine-and-placebo-in-the-prevention-of-prdc-in-pigs-on-a-french-farm-a-randomized-controlled-trial
#12
Eric Pagot, Martial Rigaut, David Roudaut, Luca Panzavolta, Rika Jolie, Didier Duivon
BACKGROUND: A controlled, randomised, and blinded trial performed on a conventional French farrow-to-finish farm compared the efficacy of a one-shot bivalent ready to use vaccine, Porcilis® PCV M. Hyo (group PCVM), to that of two commercial vaccines (Ingelvac® Circoflex® + Ingelvac® Mhyo, group ICIM), and to a placebo (group CTL), in preventing the health and economic impacts of Porcine Respiratory Disease Complex (PRDC). MATERIAL & METHODS: In this small-scale clinical study, all piglets in each group were administered the vaccine/placebo at weaning age (27 days old)...
2017: Porcine Health Management
https://www.readbyqxmd.com/read/28399994/prevalence-and-molecular-characterization-of-staphylococcus-aureus-in-commercially-available-meat-over-a-one-year-period-in-iowa-usa
#13
Dipendra Thapaliya, Brett M Forshey, Jhalka Kadariya, Megan K Quick, Sarah Farina, Ashley O' Brien, Rajeshwari Nair, Amos Nworie, Blake Hanson, Ashley Kates, Shylo Wardyn, Tara C Smith
Methicillin-resistant Staphylococcus aureus (MRSA) is a leading cause of infectious disease morbidity and mortality. Previous studies have confirmed the presence of S. aureus, including MRSA, on raw meat products. We investigated the prevalence and molecular epidemiology of S. aureus and MRSA in commercially-distributed antibiotic-free and conventional raw meat products (n = 3290) purchased in 8 Iowa retail stores weekly for a period of one year. Isolates were characterized using spa typing, and PCR was used to detect the presence of the Panton-Valentine leukocidin (PVL) and mecA genes...
August 2017: Food Microbiology
https://www.readbyqxmd.com/read/28390936/evidence-of-campylobacter-jejuni-reduction-in-broilers-with-early-synbiotic-administration
#14
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/28390818/product-environmental-footprint-of-strawberries-case-studies-in-estonia-and-germany
#15
Eveli Soode-Schimonsky, Klaus Richter, Gabriele Weber-Blaschke
The environmental impacts of strawberries have been assessed in several studies. However, these studies either present dissimilar results or only focus on single impact categories without offering a comprehensive overview of environmental impacts. We applied the product environmental footprint (PEF) methodology to broadly indicate the environmental impacts of various strawberry production systems in Germany and Estonia by 15 impact categories. Data for the 7 case studies were gathered from two farms with organic and two farms with conventional open field production systems in Estonia and from one farm with conventional open field and one farm with a polytunnel and greenhouse production system in Germany...
April 5, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28390724/effect-of-structural-animal-health-planning-on-antimicrobial-use-and-animal-health-variables-in-conventional-dairy-farming-in-the-netherlands
#16
David C Speksnijder, Haitske Graveland, Ineke A J M Eijck, René W M Schepers, Dick J J Heederik, Theo J M Verheij, Jaap A Wagenaar
Widespread veterinary use of antimicrobials might contribute to the increasing burden of antimicrobial resistance. Despite many successful efforts to reduce veterinary antimicrobial use in the Netherlands, antimicrobial use on a substantial number of farms has remained relatively high over the past few years. Farm-specific solutions are required to further lower antimicrobial use on these farms. Reducing the burden of animal diseases at the farm level by means of a structured approach to animal health planning could be promising...
April 5, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28389982/the-assessment-and-the-farmers-perceived-ranking-of-feed-resources-and-coping-strategies-with-feed-scarcity-in-smallholder-dairy-farming-in-selected-district-towns-of-jimma-zone-ethiopia
#17
Belay Duguma, Veronique Dermauw, Geert Janssens
Inadequate quantity and quality of feed resources are major constraints limiting milk production and reproductive performance of dairy cattle in Ethiopia. The aim of this study was to assess dairy cattle feed resources, feeding practices, the farmers' perceived ranking of feed resources, causes of feed shortage, and coping strategies to feed scarcity in smallholder dairy system in selected district towns of Jimma Zone, Ethiopia. Data were obtained by interviewing 52 randomly selected smallholder dairy farmers using structured questionnaires and through direct observations...
April 8, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28384232/higher-fish-but-lower-micronutrient-intakes-temporal-changes-in-fish-consumption-from-capture-fisheries-and-aquaculture-in-bangladesh
#18
Jessica R Bogard, Sami Farook, Geoffrey C Marks, Jillian Waid, Ben Belton, Masum Ali, Kazi Toufique, Abdulla Mamun, Shakuntala H Thilsted
Malnutrition is one of the biggest challenges of the 21st century, with one in three people in the world malnourished, combined with poor diets being the leading cause of the global burden of disease. Fish is an under-recognised and undervalued source of micronutrients, which could play a more significant role in addressing this global challenge. With rising pressures on capture fisheries, demand is increasingly being met from aquaculture. However, aquaculture systems are designed to maximise productivity, with little consideration for nutritional quality of fish produced...
2017: PloS One
https://www.readbyqxmd.com/read/28380599/estimation-of-the-energy-expenditure-of-grazing-ruminants-by-incorporating-dynamic-body-acceleration-into-a-conventional-energy-requirement-system
#19
M Miwa, K Oishi, H Anzai, H Kumagai, S Ieiri, H Hirooka
The estimation of energy expenditure (EE) of grazing animals is of great importance for efficient animal management on pasture. In the present study, a method is proposed to estimate EE in grazing animals based on measurements of body acceleration of animals in combination with the conventional Agricultural and Food Research Council (AFRC) energy requirement system. Three-dimensional body acceleration and heart rate were recorded for tested animals under both grazing and housing management. An acceleration index, vectorial dynamic body acceleration (VeDBA), was used to calculate activity allowance (AC) during grazing and then incorporate it into the AFRC system to estimate the EE (EE derived from VeDBA [EE]) of the grazing animals...
February 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28372247/pasture-feeding-conventional-cows-removes-differences-between-organic-and-conventionally-produced-milk
#20
Brigitte H Schwendel, Timothy J Wester, Patrick C H Morel, Bertram Fong, Michael H Tavendale, Craig Deadman, Nicola M Shadbolt, Don E Otter
Perceptions of production methods for organic and conventional milk are changing, with consumers prepared to pay premium prices for milk from either certified organic or conventional grass-fed cows. Our study investigated whether chemical composition differed between milk produced by these two farming systems. Sampling was conducted on two farms sets, each comprised of one organic and one conventional farm. All farms applied year-round pasture grazing. Milk samples were collected throughout the milking season and analysed for free oligosaccharides, fatty acids, major casein and whey proteins, and milk fat volatiles...
August 15, 2017: Food Chemistry
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