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Implications of cattle trade for the spread and control of infectious diseases in Slovenia
Knific, Tanja (Avtor), Ocepek, Matjaž (Avtor), Kirbiš, Andrej (Avtor), Lentz, Hartmunt H.K. (Avtor)

URLURL - Izvorni URL, za dostop obiščite https://www.frontiersin.org/articles/10.3389/fvets.2019.00454/full Povezava se odpre v novem oknu

Izvleček
The objectives of this study were to gain insight into the structure of the cattle trade network in Slovenia and to evaluate the potential for infectious disease spread through movements. The study considered cattle movements between different types of premises that occurred between August 1, 2011 and July 31, 2016 with the exclusion of the movements to the end nodes (e.g., slaughterhouses). In the first part, we performed a static network analysis on monthly and yearly snapshots of the network. These time scales reflect our interest in slowly spreading pathogens; namely Mycobacterium avium subsp. paratuberculosis (MAP), which causes paratuberculosis, a worldwide economically important disease. The results showed consistency in the network measures over time; nevertheless, it was evident that year to year contacts between premises were changing. The importance of individual premises for the network connectedness was highly heterogeneous and the most influential premises in the network were collection centers, mountain pastures, and pastures. Compared to random node removal, targeted removal informed by ranking based on local network measures from previous years was substantially more effective in network disassociation. Inclusion of the latest movement data improved the results. In the second part, we simulated disease spread using a Susceptible-Infectious (SI) model on the temporal network. The SI model was based on the empirically estimated true prevalence of paratuberculosis in Slovenia and four scenarios for probabilities of transmission. Different probabilities were realized by the generation of new networks with the corresponding proportion of contacts which were randomly selected from the original network. These diluted networks served as substrates for simulation of MAP spread. The probability of transmission had a significant influence on the velocity of disease spread through the network. The peaks in daily incidence rates of infected herds were observed at the end of the grazing period. Our results suggest that network analysis may provide support in the optimization of paratuberculosis surveillance and intervention in Slovenia. The approach of simulating disease spread on a diluted network may also be used to model other transmission pathways between herds.

Jezik:Angleški jezik
Ključne besede:Mycobacterium avium subsp. paratuberculosis, paratuberculosis, epidemiology, cattle
Vrsta gradiva:Članek v reviji (dk_c)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:VF - Veterinarska fakulteta
Leto izida:2020
Št. strani:Str. 1-17
Številčenje:Vol. 6, art. 454
UDK:636.09:616
ISSN pri članku:2297-1769
DOI:10.3389/fvets.2019.00454 Povezava se odpre v novem oknu
COBISS.SI-ID:4931450 Povezava se odpre v novem oknu
Število ogledov:337
Število prenosov:126
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
 
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Gradivo je del revije

Naslov:Frontiers in veterinary science
Skrajšan naslov:Front. vet. sci.
Založnik:Frontiers Media
ISSN:2297-1769
COBISS.SI-ID:3969402 Povezava se odpre v novem oknu

Gradivo je financirano iz projekta

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Številka projekta:P4-0092
Naslov:Zdravje živali, okolje in varna hrana

Licence

Licenca:CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Začetek licenciranja:02.06.2020

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