The topology of between-herd cattle contacts in a mixed farming production system in western Kenya

cg.authorship.typesCGIAR and developing country instituteen
cg.authorship.typesCGIAR and advanced research instituteen
cg.contributor.affiliationUniversity of Nairobien
cg.contributor.affiliationInternational Livestock Research Instituteen
cg.contributor.affiliationUniversity of Edinburghen
cg.contributor.affiliationUniversity of Liverpoolen
cg.contributor.crpAgriculture for Nutrition and Health
cg.contributor.donorWellcome Trusten
cg.contributor.donorBiotechnology and Biological Sciences Research Council, United Kingdomen
cg.contributor.donorDepartment for International Development, United Kingdomen
cg.contributor.donorEconomic and Social Research Council, United Kingdomen
cg.contributor.donorNatural Environment Research Council, United Kingdomen
cg.contributor.donorMedical Research Council, United Kingdomen
cg.contributor.donorDefence Science and Technology Laboratory, United Kingdomen
cg.coverage.countryKenya
cg.coverage.iso3166-alpha2KE
cg.coverage.regionAfrica
cg.coverage.regionEastern Africa
cg.creator.identifierEric M. Fèvre: 0000-0001-8931-4986en
cg.creator.identifierWilliam de Glanville: 0000-0003-2474-0356en
cg.howPublishedFormally Publisheden
cg.identifier.doihttps://doi.org/10.1016/j.prevetmed.2018.06.010en
cg.isijournalISI Journalen
cg.issn0167-5877en
cg.journalPreventive Veterinary Medicineen
cg.reviewStatusPeer Reviewen
cg.subject.ilriAGRICULTUREen
cg.subject.ilriANIMAL PRODUCTIONen
cg.subject.ilriCATTLEen
cg.subject.ilriCROP-LIVESTOCKen
cg.subject.ilriFARMING SYSTEMSen
cg.subject.ilriLIVESTOCKen
cg.volume158en
dc.contributor.authorOgola, J.en
dc.contributor.authorFèvre, Eric M.en
dc.contributor.authorGitau, G.K.en
dc.contributor.authorChristley, Robert M.en
dc.contributor.authorMuchemi, G.en
dc.contributor.authorGlanville, William A. deen
dc.date.accessioned2018-07-20T08:47:17Zen
dc.date.available2018-07-20T08:47:17Zen
dc.identifier.urihttps://hdl.handle.net/10568/96207
dc.titleThe topology of between-herd cattle contacts in a mixed farming production system in western Kenyaen
dcterms.abstractIn many livestock production systems in sub-Saharan Africa, cattle are owned by individual keepers but regularly mix with animals from other herds while grazing communal land, at watering points or through the use of shared bulls for breeding and ploughing. Such contacts may have important implications for disease transmission and control but are not well documented. We describe between farm contacts in Kimilili sub-county of Bungoma County, a mixed farming area of predominately smallholder farmers. Between-farm contacts occurring during grazing or at shared water points over the past four weeks were captured in seven randomly selected villages using a photo-elicitation tool. The use of shared bulls for breeding and ploughing, as well as cattle introductions from farms within the same village in the past 12 months, were also captured. Contact networks were constructed for each contact type in each village. In total 329 farms were included in the study. Networks resembled undirected scale-free graphs with a network density ranging between 9.6 and 14.0.. Between 45.6 and 100% of the farms in each study village had been in contact over the past four weeks through grazing and watering contacts. Between 88.9 and 100% were considered to have been in contact over the past 12 months. The topology of the networks was heterogeneous, with some farms exhibiting a high degree of contact. The degree of farm contact and distances between farms were negatively correlated (Pearson correlation coefficient range -0.2 to -0.4). Effective disease control and surveillance must take into consideration the frequency and range of contacts that occur between farms within a single village. Cattle keepers are highly interconnected and pathogens that are transmitted through direct or indirect animal contact would be expected to spread rapidly in the study system. However, the observed heterogeneity in between farm contact may present opportunities for interventions to be targeted to particular herds to limit infectious disease spread.en
dcterms.accessRightsOpen Access
dcterms.audienceScientistsen
dcterms.bibliographicCitationOgola, J., Fèvre, E.M., Gitau, G.K., Christley, R., Muchemi, G. and Glanville, W.A. de. 2018. The topology of between-herd cattle contacts in a mixed farming production system in western Kenya. Preventive Veterinary Medicine 158: 43–50.en
dcterms.extentp. 43-50en
dcterms.issued2018-10en
dcterms.languageen
dcterms.licenseCC-BY-4.0
dcterms.publisherElsevieren
dcterms.subjectlivestocken
dcterms.subjectcattleen
dcterms.subjectmixed farmingen
dcterms.subjectresearchen
dcterms.subjectanimal productionen
dcterms.typeJournal Article

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