Filters








20,237 Hits in 11.3 sec

Effect of Drinking Water Distribution System Design on Antimicrobial Delivery to Pigs

Stephen Little, Andrew Woodward, Glenn Browning, Helen Billman-Jacobe
2021 Animals  
We also used a hydraulic WDS modelling tool to predict the antimicrobial concentration at drinkers over time during and after a dosing event.  ...  We conducted a series of four prospective observational cohort studies of routine metaphylactic in-water antibiotic dosing events on a commercial pig farm, to assess the concentration of antimicrobial  ...  many commercial WDS models used worldwide [24] .  ... 
doi:10.3390/ani11082362 fatcat:o2yuiudcmzaa7kl4zal7pc764i

Trade Relationships in the European Pork Value Chain: a Network Analysis

Eduardo Barberis, Daniela Freddi, Raffaele Giammetti, Paolo Polidori, Désirée Teobaldelli, Elena Viganò
2020 Economia agro-alimentare / Food Economy  
Using the network analysis (betweenness centrality, node strength and community detection) applied to Eurostat and fao datasets on production and trade in the period 2000-2016, we will show the emergence  ...  concentration of pig production, and the significant changes which have taken place in the trade among European Union countries.  ...  The countries that have experienced a reduction of net exports larger than ten percent of the one of the EU-28 are: the UK, Czechia, Hungary, Romania, Netherlands, Bulgaria, Slovakia and Croatia.  ... 
doi:10.3280/ecag1-2020oa10070 fatcat:woztuvhsvvb3rc2q65hxi5bb2y

Pipes size selection of water distribution systems of fishfarms

Inmaculada Pulido-Calvo, Juan Carlos Gutiérrez-Estrada, José María Corbacho
2008 Aquacultural Engineering  
The model developed, in addition to being used as a design tool to determine efficient low-cost solutions of pipes sizing, can be used to evaluate the influence of cost savings of a determined choice in  ...  If a commercial diameter combination can distribute the flow but not with the required flow velocity u i in one line [i] of pipe network (between 0.5 and 4 m/s), a penalty is added to discourage selection  ... 
doi:10.1016/j.aquaeng.2008.05.005 fatcat:7tkw4u6t5zgyng6vuikba3ysfy

Ecological network analysis to link interactions between system components and performances in multispecies livestock farms

Lucille Steinmetz, Patrick Veysset, Marc Benoit, Bertrand Dumont
2021 Agronomy for Sustainable Development  
A large farm size, in terms of area or number of workers, can limit the implementation of a homogeneous flow network within the system.  ...  Managing a complex system with a dense and complex flow network did not appear to increase farmers' mental workload.  ...  The authors also thank the two reviewers for their insightful comments, which allowed us to improve the manuscript.  ... 
doi:10.1007/s13593-021-00696-x fatcat:454t7zvazbfhhh46yif73f6ofu

Is a 10-sow unit economically sustainable? A profitability assessment of productivity amongst small-holder pig farmers, Mpumalanga, South Africa

Priscilla Munzhelele, James W. Oguttu, Folorunso O. Fasina
2016 Onderstepoort Journal of Veterinary Research  
Pair-wise association revealed that the feeding of commercial feeds had a relationship with pigs in relatively good to very good body condition.  ...  The economic models for the 10-sow unit proved that pig farming is unprofitable if the current management and feeding systems that operate in the commercial industry are utilised.  ...  Acknowledgements We thank the Mpumalanga Department of Agriculture, Rural Development, Land and Environmental Affairs (DARDLEA) for provision of access to the farmers.  ... 
doi:10.4102/ojvr.v83i1.1011 pmid:27247064 fatcat:mc6h2su7gbb5jojmuiixcwvi4q

Optimising water and phosphorus management in the urban environmental sanitation system of Hanoi, Vietnam

Agnès Montangero, Le Ngoc Cau, Nguyen Viet Anh, Vu Dinh Tuan, Pham Thuy Nga, Hasan Belevi
2007 Science of the Total Environment  
A probabilistic model, simulating the impact of measures on groundwater abstraction and nutrient recovery, was used to determine the impact of policy changes in Hanoi.  ...  Still, a large amount of clean water is used to transport excreta through sewer systems.  ...  gratefully acknowledge the financial support provided by the Swiss Agency for Development and Cooperation (SDC) and the Swiss National Science Foundation (SNSF) through the National Centre of Competence in  ... 
doi:10.1016/j.scitotenv.2007.05.032 pmid:17604824 fatcat:4bcdzdhi5ffojjug6meipgt6za

Spatial and Functional Organization of Pig Trade in Different European Production Systems: Implications for Disease Prevention and Control

Anne Relun, Vladimir Grosbois, José Manuel Sánchez-Vizcaíno, Tsviatko Alexandrov, Francesco Feliziani, Agnès Waret-Szkuta, Sophie Molia, Eric Marcel Charles Etter, Beatriz Martínez-López
2016 Frontiers in Veterinary Science  
Whereas the organization of pig trade has been described in several European countries with indoor commercial production systems, little information is available on this organization in other systems,  ...  The objective of this study was to describe and compare the spatial and functional organization of live pig trade in different European countries and different production systems.  ...  Similarly, the commercial outdoor production systems in Extremadura -Iberian pigs -or in southwest of France, and the small-scale pig production systems in center and southern Italy were also identified  ... 
doi:10.3389/fvets.2016.00004 pmid:26870738 pmcid:PMC4740367 fatcat:2jzbwqvd6nc5lihgo4cr4o3epa

The Colombian Strategic Freight Transport Model Based on Product Analysis

Victor Cantillo, Miguel Jaller, Jose Holguín-Veras
2014 Promet (Zagreb)  
However, freight modelling processes are complex because it is not easy to define the relevant variables in the analysis, and to obtain the required information on freight movements through the network  ...  This paper proposes a strategic national freight transport modelling framework developed as a variant of the traditional four-step modelling process with additional steps to estimate traffic flows from  ...  Thanks are also due to the Atlantic Department Government and the Colombian General Royalties System, for having partially financed this work through project LOGPORT, BPIN 20120001001911050672 (Agreement  ... 
doi:10.7307/ptt.v26i6.1460 fatcat:etedjhey5ffwlppl2trt74yvoa

A Structural Approach to Some Contradictions in Worldwide Swine Production and Health Research

Juan Felipe Núñez-Espinoza, Francisco Ernesto Martínez-Castañeda, Fernando Ávila-Pérez, María Camila Rendón-Rendón
2022 Sustainability  
We use a mixed methodological approach, based on a social network approach, and obtained scientific information from 4868 specialized research works on health and pig production generated between 2010  ...  Many of them are related to the global livestock systems and the organizational models involved in their management and organization.  ...  Our interest in the underlying social models present in the papers presented in the selected IPVS congresses led us to the proposal for using the social network approach. 2. Social network analysis.  ... 
doi:10.3390/su14084748 fatcat:uwjgztjipbdmxhlsexuhiqb5qu

Crop-livestock integration determines the agroecological performance of mixed farming systems in Latino-Caribbean farms

Fabien Stark, Eliel González-García, Livia Navegantes, Taymer Miranda, René Poccard-Chapuis, Harry Archimède, Charles-Henri Moulin
2017 Agronomy for Sustainable Development  
The ecological network analysis was applied to each farm in order to study the nutrient flow networks, expressed in nitrogen.  ...  dependency of N flow networks.  ...  , and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.  ... 
doi:10.1007/s13593-017-0479-x fatcat:aggzzl6luzdgxmjnth66gbrsa4

Uncovering the Knowledge Flows in Supply Chain Relationships

Diego Jacob Kurtz, Jane Lucia S. Santos, Gregorio Varvakis
2012 iBusiness  
In this paper, we present a systematic search of literature, which aimed to identify the relevance of this issue and how it has been studied on the academic literature.  ...  It also contributes to the realization of further empirical research in order to examine knowledge flows among organizations.  ...  any network structure (looking at the whole network) using the mapping proposed in this paper.  ... 
doi:10.4236/ib.2012.44041 fatcat:rmsv3hhtivbipf2lyxfizz7phe

Study on Supply-chain of Modern Agricultural Products Based on IOT in Order to Guarantee the Quality and Safety

Mo Lianguang
2014 Advance Journal of Food Science and Technology  
In this study, in view of the features of modern agriculture and farm produce logistics, a SCOR model (Supply-Chain Operations Reference-model) of agricultural products based on the Internet of things  ...  has been put forward through the improvement of the logistics model of traditional agricultural products.  ...  THE APPLICATION OF SCOR MODEL IN PIG SUPPLY CHAIN MANAGEMENT Lower cost, higher efficiency: Based on SCOR model, the pig supply chain management renders higher transparency to all links.  ... 
doi:10.19026/ajfst.6.65 fatcat:x3ptbqvilzgjzbczorfuugw3ue

Monitoring and analyzing big traffic data of a large-scale cellular network with Hadoop

Jun Liu, Feng Liu, Nirwan Ansari
2014 IEEE Network  
They are preferred in managing and planning commercial networks.  ...  This system has been deployed in the core network of a large cellular network and extensively evaluated. The results demonstrate that the system can efficiently processes 4.  ...  The system was deployed into the core network of a commercial cellular network as a production system covering 123 Gb/s links and handling 4.2 Tbytes of input files every day.  ... 
doi:10.1109/mnet.2014.6863129 fatcat:vr4payepc5eqxkdl7cfzfwzcvy

Fatty Acid Profiling for the Authentication of Iberian Hams According to the Feeding Regime

Raúl González-Domínguez, Ana Sayago, Ángeles Fernández-Recamales
2020 Foods  
These are mainly due to the inclusion or not of acorns into the diet, which significantly increases the content of monounsaturated fatty acids in this food product.  ...  In this work, the fatty acid profile from subcutaneous fat samples was evaluated and modeled with various chemometric approaches as a potential tool for authentication of Iberian ham from three categories  ...  In this work, we demonstrated the need of applying advanced chemometric tools to efficiently determine the pig rearing system.  ... 
doi:10.3390/foods9020149 pmid:32028620 pmcid:PMC7073981 fatcat:n64oooao3rc5na6u5nffox3fqy

Posture Detection of Individual Pigs Based on Lightweight Convolution Neural Networks and Efficient Channel-Wise Attention

Yizhi Luo, Zhixiong Zeng, Huazhong Lu, Enli Lv
2021 Sensors  
In this paper, a lightweight channel-wise attention model is proposed for the real-time detection of five representative pig postures: standing, lying on the belly, lying on the side, sitting, and mounting  ...  to improve the model architecture.The results show that the algorithm's average precision in detecting standing, lying on the belly, lying on the side, sitting, and mounting is 97.7%, 95.2%, 95.7%, 87.5%  ...  Acknowledgments: We acknowledge the Yunnan Difu Agricultural Commercial Pig Farm for the use of their animals and facilities.  ... 
doi:10.3390/s21248369 pmid:34960477 pmcid:PMC8705977 fatcat:43kpdc754bei3jtvzsitjkuo4q
« Previous Showing results 1 — 15 out of 20,237 results