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Appendix 33
Appendix 33
GISVET project in Iran
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Dr.Vahid Otarod, Dr. Hassan Wishte Iran Veterinary Organization, PO Box 14155/6349, Tehran, Iran mail- e ivoanimalhealth@ivo: .org ir.
Introduction:
This project is started since 2001, in order to provide GIS information relevant to veterinary use. Animal diseases as heath problems for animal welfare and public health are the topics which are considered to be controlled and eradicated in all of the countries. Implementation of the control measures without determining the specific risk factors associated with each disease can not lead to control of diseases and needs to use huge economical costs. On the other hand, needs of people to food developed international trade which in turn needs more attention to prevent global distribution of the diseases. Epidemiologically, the risk factors for diseases distribution are mainly associated with Agents, Hosts and environment. Parameters of this triad are a lot and the relationship between them determines the situation of the disease and makes their outbreaks conditional. In Iran there is different interaction & relationship between triad epidemiological determinants. There are about 70000 villages and most of rural families as animal husbandmen have less than 10 cows, and also there are a lot of Nomadic tribes &nomadic herds which their movement changes local and temporal distribution of both animals and diseases. Implementation of the control measures without determining the specific risk factors associated with each disease can not lead to control of diseases and needs to use huge economical costs. On the other hand, the complexity of investigation and control of multifactor diseases culminate in establishment of “GIS center” and “Animal diseases geographical information system” (GISVET) by Iran Veterinary Organization.
Identification of epidemiological units
Definition: Epidemiological unit is a group of animals kept in a specific geographical location with maximum contact among them which define the high risk transmission of diseases.
Types of units:
– Farms: cattle farms (beef farms & dairy cattle farms) and sheep farms. – Villages: rural animal husbandmen & rural herds. – Pastures: which can be used by rural herds or nomadic herds. – Camel herds. – Riding clubs.
Locations:
– Epidemiological units. – Slaughter houses. – Sale yards. – Milk collecting centers. – Veterinary offices. – Veterinary-faculties. – Stud-bull stations.
Registration of coordinate of locations
I.V.O has organized veterinary offices in all of the townships, so registration is performed by one of the official vet-Officers in township level. In order to reduce the error of location registration, these vet-officers in all of the provinces are trained by Dr.V.Otarod & Dr.H.Wishte.They are trained to operating with GPS&to complete Registry forms. Registry forms which are gathered specifically to fulfill the requirement of GISVET project and are not available from pre-existing data. Controlling the random samples of registry papers is necessary to collecting “accurate registration”.
Processing and finalization of data
Processing & finalization of attribute data and also transferring spatial data to central computers in order to convert Georeference database is performed by "national GIS" team.
Computerized reporting system
Computerized reporting system is designed in such a manner to be able to transfer data by a FTP server through internet. it is composed of three parts each one is installed in : -Townships. -provinces. -IVO (national department of GISVET) Report flow is from the townships to provinces and then to GIS center In IVO. The only reference for entering the data is veterinary government officers in townships level. When the data entered and confirmed in the computer, it is impossible to be changed in provinces level or national level. In the case of necessity for changing wrong data, it should be referred to Townships level, for any possible changes.
Data analysis
Beside the ability of reporting system to collect the data there is also facilities considered in the system to give statistical analysis of the data, means the epidemiological indexes: prevalence, incidence and daily, monthly, seasonal and annual reports based on the databases which are designed according to epidemiological units. Therefore two databases, one which is produced by reporting system and the other produced by coordinates of units registered by GPS, will be linked to give the above calculations.
Visualization of data
Arcview software is used for developing the different image layers by using of GPS registered points and disease database. Therefore it would be possible to study the diseases with regard to available geographical information and layers.
