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Determination of the Incidence of Salmonella spp., Campylobacter jejuni, and Clostridium perfringens in Wild Birds near Broiler Chicken Houses by Sampling Intestinal Droppings

S. E. Craven, N. J. Stern, E. Line, J. S. Bailey, N. A. Cox and P. Fedorka-Cray
Avian Diseases
Vol. 44, No. 3 (Jul. - Sep., 2000), pp. 715-720
DOI: 10.2307/1593118
Stable URL: http://www.jstor.org/stable/1593118
Page Count: 6
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Determination of the Incidence of Salmonella spp., Campylobacter jejuni, and Clostridium perfringens in Wild Birds near Broiler Chicken Houses by Sampling Intestinal Droppings
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Abstract

Several methods were evaluated for collecting fecal and intestinal samples from wild birds found near broiler chicken houses. A few intestinal samples and cloacal swabs were obtained from European starlings and house sparrows. Most of the samples collected consisted of wild bird droppings found on or near the houses. Samples were collected from each of four farms of a broiler integrator during a grow-out cycle: a cycle in the summer for farm A, fall for farm B, and spring, summer, fall, and winter for farms C and D. Of the 25 wild bird intestinal and fecal samples collected from a broiler house on farm A during a grow-out cycle in July-August 1997, 24% were positive for Salmonella spp., 4% for Campylobacter jejuni, and 28% for Clostridium perfringens. Of the nine fecal samples collected from broiler house B in a grow-out cycle in September-November 1997, 33% were positive for Salmonella spp., 11% for C. jejuni, and 22% for C. perfringens. For farms C and D, of the 23 samples collected in March-April 1998, 0 were positive for Salmonella spp., 11% for C. jejuni, and 52% for C. perfringens; of 27 samples collected in June-July 1998, 4% were positive for Salmonella spp., 0 for C. jejuni, and 13% for C. perfringens; of 24 samples collected in August-October 1998, 14% were positive for Salmonella spp., 5% for C. jejuni, and 4% for C. perfringens; of 14 samples collected December 1998-January 1999, 0 were positive for Salmonella, 50% for C. jejuni, and 14% for C. perfringens. The incidence of these bacterial enteropathogens in wild birds near the broiler chicken houses suggests that wild birds that gain entry to poultry grow-out houses have the potential to transmit these pathogens to poultry. /// Se evaluaron varios métodos de muestreo de materia fecal de aves silvestres encontradas cerca de galpones de pollos de engorde. Se obtuvieron unas pocas muestras intestinales e hisopos cloacales de estorninos Europeos y gorriones caseros. La mayoría de muestras tomadas consistieron de materias fecal de aves silvestres encontradas sobre los galpones o cerca de ellos. Las muestras fueron tomadas de cada una de cuatro granjas de integraciones de pollos de engorde durante los ciclos de engorde: Un ciclo en el verano para la granja A, uno en el otoño para la granja B y uno en la primavera, verano, otoño e invierno para las granjas C y D. De las 25 muestras fecales e intestinales de aves silvestres tomadas de un galpón en la granja A durante el ciclo de engorde de Julio a Agosto en 1997, 24% fueron positivas para Salmonella spp, 4% para Campylobacter jejuni y 28% para Clostridium perfringens. De las 9 muestras fecales tomadas de un galpón de pollos de engorde de la granja B en el ciclo de engorde de Septiembre a Noviembre en 1997, 33% fueron positivas para Salmonella spp., 11% para C. jejuni, y 22% para C. perfringens. En las granjas C y D, de las 23 muestras tomadas de Marzo a Abril de 1998, se obtuvieron 0% positivas para Salmonella spp, 11% para C. jejuni y 53% para C. perfringens; de las 27 muestras tomadas de Junio a Julio de 1998, 4% fueron positivas para Salmonella spp., 0% para C. jejuni y 13% para C. perfringens; de 24 muestras tomadas de Agosto a Octubre de 1988 14% fueron positivas para Salmonella, 5% para C. jejuni y 4% para C. perfringens; de 14 muestras tomadas de Diciembre de 1998 a Enero de 1999, 0% fueron positivas para Salmonella spp., 50% para C. jejuni y 14% para C. perfringens. La incidencia de estos enteropatógenos bacterianos en aves silvestres cerca de los galpones de pollos de engorde sugiere que las aves silvestres que entran a los galpones de pollos de engorde tienen un gran potencial de transmitir estos patógenos a las aves.

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