Spatio-Temporal Epidemiological Analysis of Livestock Diseases: A Case of Tamil Nadu State In India

2016-08-06T09-51-07Z
Source: International Journal of Livestock Research
Paramanandham Krishnamoorthy, Gurappa Naidu Govindaraj, Bibek Ranjan Shome, Habibur Rahman.
In the present study, spatio-temporal analysis of eight livestock diseases was undertaken for Tamil Nadu state in India. Data(2002-14) on outbreaks, diagnosed cases, death cases were collected and analyzed for cumulative outbreaks, year, seasonal and zone wise, and calculated prevalence, mortality and case fatality rates(CFR). Cumulative outbreaks revealed Anthrax(109) was high followed by Foot and mouth disease[FMD](99), Peste des petits ruminants[PPR](45) and other diseases. Season wise analysis revealed increased outbreaks during North east monsoon. Agroclimatic zone and cluster analysis revealed highest outbreaks occurred in Northeastern and South zones. Prevalence rate was high in FMD(4.37) and low in BQ, ET(0.005). Mortality and CFR were highest in PPR(1.97) and Anthrax(96.71%) and lowest in BQ, ET(0.04) and FMD(11.79%), respectively. Bio-climatograhs showed relationship between rainfall and disease outbreaks. Thus, preventive vaccinations against anthrax, FMD, PPR have to be initiated in two zones before monsoon to mitigate livestock diseases in Tamil Nadu and boost economy.


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