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Questions and Answers
What is the primary purpose of using GIS in veterinary medicine?
What is the primary purpose of using GIS in veterinary medicine?
- To analyze environmental effects on disease spread (correct)
- Only for mapping animal populations
- To solely implement disease eradication strategies
- To create databases of veterinary professionals
Which of the following is NOT an application of GIS in veterinary medicine?
Which of the following is NOT an application of GIS in veterinary medicine?
- Outbreak notification
- Understanding disease dynamics
- Disease surveillance
- Creating financial reports for vet clinics (correct)
What function does buffer generation serve in GIS?
What function does buffer generation serve in GIS?
- Identifies trends in veterinary practices
- Combines different maps into one
- Creates a database of epidemiological data
- Calculates distances from geographic features (correct)
Which software is commonly used in veterinary GIS applications?
Which software is commonly used in veterinary GIS applications?
What kind of data can be used for GIS?
What kind of data can be used for GIS?
What does overlay operation in GIS achieve?
What does overlay operation in GIS achieve?
When was GIS first applied in veterinary medicine?
When was GIS first applied in veterinary medicine?
Which of the following epidemiological information can GIS NOT map?
Which of the following epidemiological information can GIS NOT map?
What distinguishes information from raw data?
What distinguishes information from raw data?
Which of the following actions must be taken with information once it has been gathered?
Which of the following actions must be taken with information once it has been gathered?
What is a primary function of veterinary services in relation to animal health data?
What is a primary function of veterinary services in relation to animal health data?
Which aspect of animal health information systems allows for near-instant dissemination of information?
Which aspect of animal health information systems allows for near-instant dissemination of information?
What is the purpose of a national animal health information system?
What is the purpose of a national animal health information system?
How can the processing of animal health information benefits decision-making?
How can the processing of animal health information benefits decision-making?
Why is increased communication between organizations significant in animal health information systems?
Why is increased communication between organizations significant in animal health information systems?
What kind of outputs might a national animal health information system provide?
What kind of outputs might a national animal health information system provide?
What is a key purpose of animal health information systems?
What is a key purpose of animal health information systems?
Which global animal health information system is associated with the OIE?
Which global animal health information system is associated with the OIE?
What does TADinfo allow for regarding data management?
What does TADinfo allow for regarding data management?
What is NOT a component of a Geographical Information System (GIS)?
What is NOT a component of a Geographical Information System (GIS)?
Which of the following best describes a function of GIS?
Which of the following best describes a function of GIS?
What is one of the challenges associated with working with GIS data?
What is one of the challenges associated with working with GIS data?
What system is responsible for monitoring emerging diseases globally?
What system is responsible for monitoring emerging diseases globally?
Which animal health information system supports declarations of disease status for trade?
Which animal health information system supports declarations of disease status for trade?
Which of the following is NOT a step involved in spatial analysis?
Which of the following is NOT a step involved in spatial analysis?
Why is the visual display of spatial phenomena considered effective?
Why is the visual display of spatial phenomena considered effective?
What is a significant gap that animal health information systems can highlight?
What is a significant gap that animal health information systems can highlight?
What type of spatial data can point pattern analysis provide insights into?
What type of spatial data can point pattern analysis provide insights into?
What potential consequence arises from complexities in GIS data?
What potential consequence arises from complexities in GIS data?
How can spatial analysis aid in disease transmission management?
How can spatial analysis aid in disease transmission management?
Which category of spatial data involves regularity assessment of point patterns?
Which category of spatial data involves regularity assessment of point patterns?
What is a requirement for successfully implementing GIS systems?
What is a requirement for successfully implementing GIS systems?
Which step is NOT part of the process to digitize paper maps?
Which step is NOT part of the process to digitize paper maps?
What is a primary function of remote sensing in GIS?
What is a primary function of remote sensing in GIS?
What role does GPS play in spatial decision making?
What role does GPS play in spatial decision making?
Which of the following is a use of GIS in animal disease surveillance?
Which of the following is a use of GIS in animal disease surveillance?
How does remote sensing collect information about the earth's surface?
How does remote sensing collect information about the earth's surface?
Which of the following best describes GIS's role in disease monitoring?
Which of the following best describes GIS's role in disease monitoring?
What is the minimum number of satellites required for a functional GPS network?
What is the minimum number of satellites required for a functional GPS network?
In GIS, what does 'digitization' specifically involve?
In GIS, what does 'digitization' specifically involve?
Study Notes
Information
- Information is processed data that provides context and meaning.
- Data is simply facts and figures, while information is processed data with meaning.
- Information comes from many sources like books, websites, observations, and experiments.
Information Use
- Information must be:
- Managed: This means ensuring its quality, controlling access, and keeping it organized.
- Analyzed: This means turning the information into something understandable through interpretation and processing.
- Acted upon: This means using the information to make decisions and take action.
Information Gathering
- Veterinary Services require effective systems to gather relevant information from the field.
- This information must be processed into a form that national policy makers and field staff can use.
- Web-based animal health information systems allow for near-instantaneous dissemination of information.
- Increased communication and connectivity mean there are more sources of information on animal diseases than ever before.
Animal Health Information Systems
- Animal health information systems gather, collate, and analyze data to provide meaningful information.
- National systems handle information about the health of livestock within a country.
- Regional systems are designed for specific areas, such as the EU’s Animal Diseases Information System (ADIS) and the ASEAN Regional Animal Health Information System (ARAHIS).
- Global systems, such as the OIE’s World Animal Health Information System (WAHIS), FAO’s EMPRES-i system, and ProMED, provide information on a wider scale.
- Some animal health information systems are password-protected and not publicly accessible.
Purposes of Animal Health Information Systems
- Provide comprehensive information to decision makers on disease, control measures, and their consequences.
- Share information within and between countries (early warning system).
- Monitor disease occurrence and control programs.
- Estimate vaccination coverage.
- Provide information required to meet international disease reporting needs.
- Support declarations of disease status for trading purposes.
- Identify unusual disease events or emerging diseases.
- Highlight shortfalls/gaps in surveillance.
Transboundary Animal Disease Information System (TADinfo)
- TADinfo was developed by the FAO and is designed to be customizable for each country.
- It imports geographical information and allows data transfer to regional and global animal health information systems.
- The new TADinfo has innovations that improve upon the first generation.
Geographical Information System (GIS)
- A computerized database management system used for capturing, storing, analyzing, and displaying spatially referenced data.
- Consists of four main components:
- Input
- Storage
- Manipulation
- Output
- Used as tools for analysis, modeling, and decision-making.
- Disadvantages:
- Expensive
- Requires a vast amount of data input
- GIS layers can lead to costly mistakes
- Initiating and implementing GIS can be challenging
- Large amount of data can cause problems when analyzing due to complexity
- Data requires complex overlay operations that may require specialized training for personnel.
Visual Display of Spatial Phenomena
- The visual display of spatial phenomena offers a powerful descriptive analytical tool.
- Example: The distribution of different strains of Mycobacterium bovis in a wild animal population was used to understand disease transmission paths.
- Example: GIS maps helped to visualize the distribution of brown ear ticks in southern Africa and compare the prevalence of Rhipicephalus appendiculatus with East Coast Fever occurrence.
Spatial Analysis
- Involves:
- Preparing an appropriate model.
- Proper visualization.
- Exploratory data analysis.
- Ranges from simple map overlay to statistical models.
- Helps interpret and predict the movement of populations and inanimate objects.
- Example: GIS maps the movement of animals between wild and domestic areas to identify high-risk areas for disease transmission.
Types of Spatial Data
- Point Patterns: Analysis of point patterns helps understand spatial clustering related to disease transmission.
- Geostatistical Data: Statistical methodology used to assess if a point pattern is regular, random, or clustered.
- Lattice Data: Represents a surface using a grid of regularly spaced sample points with a constant sampling distance.
Applications of GIS in Veterinary Medicine
- GIS has broad applications in the veterinary field, including:
- Outbreak notification.
- Disease prevention and eradication.
- Disease surveillance.
- Understanding disease dynamics and spreading patterns.
- Correlation of disease trends with climate.
- GIS was first used in veterinary medicine in 1994 to address the Foot and Mouth Disease epidemic.
GIS Capabilities
- Maps epidemiological information like morbidity, mortality, prevalence, incidence, and geographic disease distribution.
- Supports the veterinary sector in analyzing relationships between locations, the environment, and disease patterns.
- Helps assess the risk and distribution of diseases across countries.
- Used for various GIS operations:
- Buffer generation
- Overlay operation
- Neighborhood analysis
- Spatial analysis
Overlay Operations
- Combine information from different vector files into a new, more tailored file.
- Change both the spatial and attribute levels of the data.
Buffer Generation
- Calculates the distance from each cell to its nearest source.
- Used for applications like:
- Finding the nearest hospital.
- Calculating distances from outbreak sites.
- Determining distances to major roads.
GIS Software
- Two commonly used GIS software programs in veterinary medicine are:
- Quantum GIS (QGIS)
- ArcGIS
- GIS outputs can be presented as maps, tables, diagrams, and other forms.
Data Sources of GIS
- Data for GIS can come from:
- Paper Maps: Maps are one of the most traditional sources of GIS data.
- Remote Sensing: Uses sensors on satellites or aircraft to gather data about the earth's surface.
- Global Positioning System (GPS): Uses satellite signals to determine locations, directions, and time.
Application of GIS in Animal Disease Surveillance
- GIS is a valuable tool in disease monitoring and surveillance programs.
- It helps visualize disease foci, monitor newly infected or re-infected areas, identify populations at risk, target interventions, and monitor eradication efforts.
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Description
Explore the essential concepts of information management, focusing on its definition, gathering methods, and effective use in veterinary services. Understand how processed data transforms into meaningful information to aid decision-making and policy development in animal health.