Enteric bacteria in Olrog’s Gull (Larus atlanticus) and Kelp Gull (Larus dominicanus) from the Bahía Blanca Estuary, Argentina

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The Bahía Blanca Estuary in Argentina is under the effect of chronic microbiological pollution with untreated raw sewage and the pathogens associated with it. In this estuary, there are breeding colonies of Olrog’s Gull (Larus atlanticus) and Kelp Gull (Larus dominicanus), where parents feed chicks...

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Autores principales: La Sala, Luciano F., Petracci, Pablo F., Randazzo, Viviana, Fernández-Miyakawa, Mariano E.
Formato: Artículo publishedVersion
Lenguaje:Inglés
Publicado: Aves Argentinas. Asociación Ornitológica del Plata 2013
Materias:
CONTAMINACION MICROBIOLOGICA
ESPECIES CENTINELA
ESTUARIO DE BAHIA BLANCA
GAVIOTA CANGREJERA
GAVIOTA COCINERA
LARUS ATLANTICUS
LARUS DOMINICANUS
PATOGENOS ZOONOTICOS
KELP GULL
MICROBIOLOGICAL POLLUTION
OLROG’S GULL
SENTINEL SPECIES
ZOONOTIC PATHOGENS
BAHIA BLANCA ESTUARY
Acceso en línea:https://hdl.handle.net/20.500.12110/hornero_v028_n02_p059
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id hornero:hornero_v028_n02_p059
record_format dspace
spelling hornero:hornero_v028_n02_p0592023-09-08T19:06:51Z Enteric bacteria in Olrog’s Gull (Larus atlanticus) and Kelp Gull (Larus dominicanus) from the Bahía Blanca Estuary, Argentina Bacterias entéricas en la Gaviota Cangrejera (Larus atlanticus) y la Gaviota Cocinera (Larus dominicanus) en el estuario de Bahía Blanca, Argentina Hornero (en línea) 2013;02(028):059-064 La Sala, Luciano F. Petracci, Pablo F. Randazzo, Viviana Fernández-Miyakawa, Mariano E. CONTAMINACION MICROBIOLOGICA ESPECIES CENTINELA ESTUARIO DE BAHIA BLANCA GAVIOTA CANGREJERA GAVIOTA COCINERA LARUS ATLANTICUS LARUS DOMINICANUS PATOGENOS ZOONOTICOS KELP GULL LARUS ATLANTICUS LARUS DOMINICANUS MICROBIOLOGICAL POLLUTION OLROG’S GULL SENTINEL SPECIES ZOONOTIC PATHOGENS BAHIA BLANCA ESTUARY The Bahía Blanca Estuary in Argentina is under the effect of chronic microbiological pollution with untreated raw sewage and the pathogens associated with it. In this estuary, there are breeding colonies of Olrog’s Gull (Larus atlanticus) and Kelp Gull (Larus dominicanus), where parents feed chicks and themselves on prey and food items foraged at or near sewage outfalls and refuse tips where they can be exposed to pathogens of human and animal origin. The objective of this study was to assess the role of Olrog’s Gull and Kelp Gull as carriers of zoonotic pathogens of faecal origin. Bacterial recovery from faecal samples of both gull species was positive for Salmonella enterica var. Typhimurium, Salmonella enterica var. Gallinarum, Escherichia coli, Shigella dysenteriae, Enterobacter cloacae and Klebsiella pneumoniae. The prevalence and diversity of pathogens varied between gull species, and Olrog’s Gull tested positive for a wider range of pathogens than Kelp Gull. Escherichia coli was the most prevalent bacteria in chicks and adults of both gull species, followed by Salmonella spp. in Olrog’s Gull chicks, and Enterobacter cloacae and Shigella dysenteriae in Olrog’s Gull adults. The potential use of these gull species as sentinels of microbiological pollution in the Bahía Blanca Estuary is proposed. El estuario de Bahía Blanca en Argentina se encuentra bajo el efecto de la contaminación microbiológica a partir del vertido de desagües cloacales sin tratamiento previo y los patógenos asociados. En este estuario existen colonias reproductivas de Gaviota Cangrejera (Larus atlanticus) y Gaviota Cocinera (Larus dominicanus) y los adultos alimentan a sus crías con presas obtenidas en sitios contaminados con desagües cloacales y en basurales a cielo abierto donde pueden estar expuestas a patógenos de origen humano y animal. El objetivo de este estudio fue evaluar el rol de la Gaviota Cangrejera y de la Gaviota Cocinera como portadores de patógenos zoonóticos de origen fecal. A partir de las muestras de material fecal se recuperaron Salmonella enterica var. Typhimurium, Salmonella enterica var. Gallinarum, Escherichia coli, Shigella dysenteriae, Enterobacter cloacae y Klebsiella pneumoniae. La prevalencia y diversidad de patógenos varió entre las dos especies de gaviotas, y la Gaviota Cangrejera fue positiva para una mayor variedad de patógenos que la Gaviota Cocinera. Escherichia coli fue la bacteria más prevalente en pichones y adultos de ambas especies, seguida por Salmonella spp. en pichones de Gaviota Cangrejera, y Enterobacter cloacae y Shigella dysenteriae en adultos de Gaviota Cangrejera. Se propone el uso de estas especies de gaviotas como centinelas de contaminación microbiológica en el estuario de Bahía Blanca. Aves Argentinas. Asociación Ornitológica del Plata 2013-12 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf eng info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar https://hdl.handle.net/20.500.12110/hornero_v028_n02_p059
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
language Inglés
orig_language_str_mv eng
topic CONTAMINACION MICROBIOLOGICA
ESPECIES CENTINELA
ESTUARIO DE BAHIA BLANCA
GAVIOTA CANGREJERA
GAVIOTA COCINERA
LARUS ATLANTICUS
LARUS DOMINICANUS
PATOGENOS ZOONOTICOS
KELP GULL
LARUS ATLANTICUS
LARUS DOMINICANUS
MICROBIOLOGICAL POLLUTION
OLROG’S GULL
SENTINEL SPECIES
ZOONOTIC PATHOGENS
BAHIA BLANCA ESTUARY
spellingShingle CONTAMINACION MICROBIOLOGICA
ESPECIES CENTINELA
ESTUARIO DE BAHIA BLANCA
GAVIOTA CANGREJERA
GAVIOTA COCINERA
LARUS ATLANTICUS
LARUS DOMINICANUS
PATOGENOS ZOONOTICOS
KELP GULL
LARUS ATLANTICUS
LARUS DOMINICANUS
MICROBIOLOGICAL POLLUTION
OLROG’S GULL
SENTINEL SPECIES
ZOONOTIC PATHOGENS
BAHIA BLANCA ESTUARY
La Sala, Luciano F.
Petracci, Pablo F.
Randazzo, Viviana
Fernández-Miyakawa, Mariano E.
Enteric bacteria in Olrog’s Gull (Larus atlanticus) and Kelp Gull (Larus dominicanus) from the Bahía Blanca Estuary, Argentina
topic_facet CONTAMINACION MICROBIOLOGICA
ESPECIES CENTINELA
ESTUARIO DE BAHIA BLANCA
GAVIOTA CANGREJERA
GAVIOTA COCINERA
LARUS ATLANTICUS
LARUS DOMINICANUS
PATOGENOS ZOONOTICOS
KELP GULL
LARUS ATLANTICUS
LARUS DOMINICANUS
MICROBIOLOGICAL POLLUTION
OLROG’S GULL
SENTINEL SPECIES
ZOONOTIC PATHOGENS
BAHIA BLANCA ESTUARY
description The Bahía Blanca Estuary in Argentina is under the effect of chronic microbiological pollution with untreated raw sewage and the pathogens associated with it. In this estuary, there are breeding colonies of Olrog’s Gull (Larus atlanticus) and Kelp Gull (Larus dominicanus), where parents feed chicks and themselves on prey and food items foraged at or near sewage outfalls and refuse tips where they can be exposed to pathogens of human and animal origin. The objective of this study was to assess the role of Olrog’s Gull and Kelp Gull as carriers of zoonotic pathogens of faecal origin. Bacterial recovery from faecal samples of both gull species was positive for Salmonella enterica var. Typhimurium, Salmonella enterica var. Gallinarum, Escherichia coli, Shigella dysenteriae, Enterobacter cloacae and Klebsiella pneumoniae. The prevalence and diversity of pathogens varied between gull species, and Olrog’s Gull tested positive for a wider range of pathogens than Kelp Gull. Escherichia coli was the most prevalent bacteria in chicks and adults of both gull species, followed by Salmonella spp. in Olrog’s Gull chicks, and Enterobacter cloacae and Shigella dysenteriae in Olrog’s Gull adults. The potential use of these gull species as sentinels of microbiological pollution in the Bahía Blanca Estuary is proposed.
format Artículo
Artículo
publishedVersion
author La Sala, Luciano F.
Petracci, Pablo F.
Randazzo, Viviana
Fernández-Miyakawa, Mariano E.
author_facet La Sala, Luciano F.
Petracci, Pablo F.
Randazzo, Viviana
Fernández-Miyakawa, Mariano E.
author_sort La Sala, Luciano F.
title Enteric bacteria in Olrog’s Gull (Larus atlanticus) and Kelp Gull (Larus dominicanus) from the Bahía Blanca Estuary, Argentina
title_short Enteric bacteria in Olrog’s Gull (Larus atlanticus) and Kelp Gull (Larus dominicanus) from the Bahía Blanca Estuary, Argentina
title_full Enteric bacteria in Olrog’s Gull (Larus atlanticus) and Kelp Gull (Larus dominicanus) from the Bahía Blanca Estuary, Argentina
title_fullStr Enteric bacteria in Olrog’s Gull (Larus atlanticus) and Kelp Gull (Larus dominicanus) from the Bahía Blanca Estuary, Argentina
title_full_unstemmed Enteric bacteria in Olrog’s Gull (Larus atlanticus) and Kelp Gull (Larus dominicanus) from the Bahía Blanca Estuary, Argentina
title_sort enteric bacteria in olrog’s gull (larus atlanticus) and kelp gull (larus dominicanus) from the bahía blanca estuary, argentina
publisher Aves Argentinas. Asociación Ornitológica del Plata
publishDate 2013
url https://hdl.handle.net/20.500.12110/hornero_v028_n02_p059
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