Basic reproduction number (R0), an epidemiological tool for prioritizing livestock diseases' An example of Karnataka
Livestock diseases become burden to the dairy farmers and state animal husbandry departments, and causes huge economic loss. Basic reproduction number [R0], indicates the number of secondary cases in susceptible population from one diseased animal. In the present study, R0 was calculated by using 5...
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Indian Council of Agricultural Research
2020-09-01
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Series: | Indian Journal of Animal Sciences |
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Online Access: | https://epubs.icar.org.in/index.php/IJAnS/article/view/104179 |
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author | P KRISHNAMOORTHY K P SURESH R DHEERAJ PARIMAL ROY |
author_facet | P KRISHNAMOORTHY K P SURESH R DHEERAJ PARIMAL ROY |
author_sort | P KRISHNAMOORTHY |
collection | DOAJ |
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Livestock diseases become burden to the dairy farmers and state animal husbandry departments, and causes huge economic loss. Basic reproduction number [R0], indicates the number of secondary cases in susceptible population from one diseased animal. In the present study, R0 was calculated by using 5 statistical methods for 13 livestock diseases, which was used to prioritize livestock diseases and calculated herd immunity threshold, vaccination coverage required. Time series data on livestock disease outbreaks, month, year, clinically diagnosed cases, death cases were collected from Department of Animal Husbandary and Veterinary Services. Govt. of Karnataka during the period 2000–18. The mean R0 values were >1 for bacterial (4), viral (5) and parasitic (4) diseases. The livestock diseases were prioritized for high transmission potential as haemorrhagic septicaemia [HS] (2.51) followed by Peste des petits ruminants [PPR] (2.22), black quarter [BQ] (1.89), foot-and-mouth disease [FMD] (1.71), theileriosis [TE] (1.70), enterotoxaemia [ET] (1.54), anthrax [AX] (1.48), sheep and goat pox [SGP] (1.44), rabies [RA] (1.39), babesiosis [BA] (1.38), bluetongue [BT] (1.31) and fasciolosis [FA] (1.27) based on mean R0 values for Karnataka. The herd immunity threshold was high for HS [60.2%] followed by PPR [55.0%], BQ [47.1%], FMD [41.5%] and other diseases. The vaccination coverage required showed highest levels for HS, followed by PPR, BQ, FMD, TE, ET, etc. Thus, R0 values may be used for prioritizing livestock diseases by policy makers and for planning the necessary preventive measures. The herd immunity threshold and vaccination coverage obtained for livestock diseases will help in allocating the scarce resources for vaccination effectively and to prevent livestock diseases outbreaks in Karnataka.
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spelling | doaj.art-99b81f4787454a3bb06883ff6dc9677e2023-02-23T10:24:39ZengIndian Council of Agricultural ResearchIndian Journal of Animal Sciences0367-83182394-33272020-09-0190410.56093/ijans.v90i4.104179Basic reproduction number (R0), an epidemiological tool for prioritizing livestock diseases' An example of KarnatakaP KRISHNAMOORTHY0K P SURESH1R DHEERAJ2PARIMAL ROY3ICAR-National Institute of Veterinary Epidemiology and Disease Informatics, Bengaluru, Karnataka 560 064 IndiaICAR-National Institute of Veterinary Epidemiology and Disease Informatics, Bengaluru, Karnataka 560 064 IndiaICAR-National Institute of Veterinary Epidemiology and Disease Informatics, Bengaluru, Karnataka 560 064 IndiaICAR-National Institute of Veterinary Epidemiology and Disease Informatics, Bengaluru, Karnataka 560 064 India Livestock diseases become burden to the dairy farmers and state animal husbandry departments, and causes huge economic loss. Basic reproduction number [R0], indicates the number of secondary cases in susceptible population from one diseased animal. In the present study, R0 was calculated by using 5 statistical methods for 13 livestock diseases, which was used to prioritize livestock diseases and calculated herd immunity threshold, vaccination coverage required. Time series data on livestock disease outbreaks, month, year, clinically diagnosed cases, death cases were collected from Department of Animal Husbandary and Veterinary Services. Govt. of Karnataka during the period 2000–18. The mean R0 values were >1 for bacterial (4), viral (5) and parasitic (4) diseases. The livestock diseases were prioritized for high transmission potential as haemorrhagic septicaemia [HS] (2.51) followed by Peste des petits ruminants [PPR] (2.22), black quarter [BQ] (1.89), foot-and-mouth disease [FMD] (1.71), theileriosis [TE] (1.70), enterotoxaemia [ET] (1.54), anthrax [AX] (1.48), sheep and goat pox [SGP] (1.44), rabies [RA] (1.39), babesiosis [BA] (1.38), bluetongue [BT] (1.31) and fasciolosis [FA] (1.27) based on mean R0 values for Karnataka. The herd immunity threshold was high for HS [60.2%] followed by PPR [55.0%], BQ [47.1%], FMD [41.5%] and other diseases. The vaccination coverage required showed highest levels for HS, followed by PPR, BQ, FMD, TE, ET, etc. Thus, R0 values may be used for prioritizing livestock diseases by policy makers and for planning the necessary preventive measures. The herd immunity threshold and vaccination coverage obtained for livestock diseases will help in allocating the scarce resources for vaccination effectively and to prevent livestock diseases outbreaks in Karnataka. https://epubs.icar.org.in/index.php/IJAnS/article/view/104179Herd immunity thresholdKarnatakaLivestock diseasesPrioritizationR0Vaccination coverage |
spellingShingle | P KRISHNAMOORTHY K P SURESH R DHEERAJ PARIMAL ROY Basic reproduction number (R0), an epidemiological tool for prioritizing livestock diseases' An example of Karnataka Indian Journal of Animal Sciences Herd immunity threshold Karnataka Livestock diseases Prioritization R0 Vaccination coverage |
title | Basic reproduction number (R0), an epidemiological tool for prioritizing livestock diseases' An example of Karnataka |
title_full | Basic reproduction number (R0), an epidemiological tool for prioritizing livestock diseases' An example of Karnataka |
title_fullStr | Basic reproduction number (R0), an epidemiological tool for prioritizing livestock diseases' An example of Karnataka |
title_full_unstemmed | Basic reproduction number (R0), an epidemiological tool for prioritizing livestock diseases' An example of Karnataka |
title_short | Basic reproduction number (R0), an epidemiological tool for prioritizing livestock diseases' An example of Karnataka |
title_sort | basic reproduction number r0 an epidemiological tool for prioritizing livestock diseases an example of karnataka |
topic | Herd immunity threshold Karnataka Livestock diseases Prioritization R0 Vaccination coverage |
url | https://epubs.icar.org.in/index.php/IJAnS/article/view/104179 |
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