Comparison of Pathogens in Broiler and Backyard Chickens on the Galápagos Islands: Implications for Transmission to Wildlife

Soos, Catherine; Padilla, Luis R.; Iglesias, Andrés; Gottdenker, Nicole; Bédon, Marilyn Cruz; Ríos, Alexandra; Parker, Patricia G.

doi:10.1525/auk.2008.06235

Cited by 34 publications

(46 citation statements)

References 27 publications

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“…seroprevalence for numerous pathogens, and interact directly with wild birds or wild bird habitat, with no biosecurity measures employed' (Soos et al, 2008).…”

Section: Tablementioning

confidence: 99%

“…By contrast, most backyard chickens are allowed to range freely, do not have a set lifespan, and may travel hundreds of meters from the farm site to forage, returning regularly for supplemental feed provided by the farmer' (Soos et al, 2008;p. 446).…”

Section: Picture 4 Impression Of a Broiler Poultry Housementioning

confidence: 99%

“…Chickens Research suggests 'that backyard chickens may pose a greater threat to Galápagos avifauna because they are more likely to be infectious, have a high seroprevalence for numerous pathogens, and interact directly with wild birds or wild bird habitat, with no biosecurity measures employed' (Soos et al, 2008).…”

Section: Santa Cruz 2014mentioning

confidence: 99%

“…o By means of the import of chickens or feed ingredients for the poultry production systems, pathogens which can affect native birds might be introduced in the Galapagos (Gottdenker et al 2005;Soos et al, 2008;Deem et al 2010). However, one could argue that migratory birds might pose a relative 'bigger' threat to the local wild fauna, and that native diseases might pose a threat to imported chicks… o Research suggests 'that backyard chickens may pose a greater threat to Galápagos avifauna because they are more likely to be infectious, have a high seroprevalence for numerous pathogens, and interact directly with wild birds or wild bird habitat, with no biosecurity measures employed' (Soos et al, 2008).…”

mentioning

confidence: 99%

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Towards locally adapted livestock production in the Galápagos islands : Characterizing & defining potential redesign strategies for the local poultry and pig production systems of Santa Cruz - Galápagos Islands, Ecuador

Puente-Rodríguez

Bos

2017

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Dit project is uitgevoerd vanwege de urgentie om het herorganiseren van de veehouderijsystemen van het eiland Santa Cruz (Galápagoseilanden, Ecuador) volgens de kenmerken van de wereldwijd gewaardeerde (sociaal en) ecologische systemen. Momenteel bestaan er twijfels over de duurzaamheid van de richtingen waarin deze sectoren zich ontwikkelen. De doelstelling van dit onderzoek is om de gefundeerde basis voor een herontwerp proces te creëren om de lokale pluimvee en varkenshouderij productiesystemen met een hoge mate van duurzaamheid (vanuit de ecologische en maatschappelijke standpunten) te kunnen ontwikkelen.Summary UK: This project has been articulated around the need to reorganize the local livestock production systems of the island of Santa Cruz (Galápagos islands, Ecuador) according to the characteristics of the globally respected (socio)ecological systems. This because there are some doubts about the sustainability of the current directions in which these production sectors are evolving. This research takes up the challenge to articulate the basis for a redesign process for the interactive visioning of local livestock (i.e., here pig and poultry) production systems that achieve a high degree of socioecological sustainability.This report can be downloaded for free at http://dx

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“…seroprevalence for numerous pathogens, and interact directly with wild birds or wild bird habitat, with no biosecurity measures employed' (Soos et al, 2008).…”

Section: Tablementioning

confidence: 99%

Section: Picture 4 Impression Of a Broiler Poultry Housementioning

confidence: 99%

Section: Santa Cruz 2014mentioning

confidence: 99%

mentioning

confidence: 99%

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Towards locally adapted livestock production in the Galápagos islands : Characterizing & defining potential redesign strategies for the local poultry and pig production systems of Santa Cruz - Galápagos Islands, Ecuador

Puente-Rodríguez

Bos

2017

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“…There was strong evidence that introduced birds carry introduced strains of diseases (Farmer et al 2005;Ishtiaq et al 2006). One article (Soos et al 2008) provided correlative evidence that diseases carried by Red Junglefowl in the Galápagos Islands did not occur in native birds. There was weak but mounting evidence that the Rock Dove is spreading Trichomonas gallinae, which may be a threat to the Galapagos Dove (Zenaida galapagoensis) ( Table 1; see 'Evidence for threats involving introduced species', below).…”

Section: Diseasementioning

confidence: 99%

Threats from introduced birds to native birds

Baker

Harvey

French

2014

Emu - Austral Ornithology

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Abstract. Invasion by introduced species is a global threat to the natural environment, with major consequences for biodiversity, economies and societies. This paper reviews the literature documenting interactions between introduced and native bird species. Surprisingly, we found only ten cases of an introduced bird being involved in a process that threatened a population of a native bird with extinction and conclude there is little evidence that introduced birds are a major threat to avian diversity globally. The conservation priorities for managing interactions between introduced and native birds are: (1) strong, precautionary biosecurity policies and practices to discourage future introductions; (2) gaining knowledge about interspecific interactions; (3) managing threats where they affect the persistence or recovery of threatened and endemic island bird species; (4) managing the threat of hybridisation and (5) best practice, cost-effective management that defines threatening processes to avian diversity and uses adaptive management for threat abatement. Our review highlights the lack of evidence for detrimental effects of introduced birds on native avifauna and highlights the need for future work in this area.

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One Health in the Galapagos Social-Ecological System: Not Just the Absence of Disease

Grube

Stewart

2022

Social and Ecological Interactions in the Galapagos Islands

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Comparison of Pathogens in Broiler and Backyard Chickens on the Galápagos Islands: Implications for Transmission to Wildlife

Cited by 34 publications

References 27 publications

Towards locally adapted livestock production in the Galápagos islands : Characterizing & defining potential redesign strategies for the local poultry and pig production systems of Santa Cruz - Galápagos Islands, Ecuador

Towards locally adapted livestock production in the Galápagos islands : Characterizing & defining potential redesign strategies for the local poultry and pig production systems of Santa Cruz - Galápagos Islands, Ecuador

Threats from introduced birds to native birds

One Health in the Galapagos Social-Ecological System: Not Just the Absence of Disease

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