|Enrique Bergqvist A.1, Sergio Rosende2 y ruth Bauer3|
In order to determine those factors disturbing the hemoaglutination test pullorum (Salmonella pullorum) seventy one positive chickens to this test of both sexes and from 19 to 26 weeks age, were examined.
The birds were sampled from seven poultry farms located indifferent areas of the country.
A total of 47.88% of the birds presented atypical reactions to pullorum antigen and its bacteriological analysis permitted to identify the following microorganisms: Salmonella pullorum in 2.8% of them; Stafilococcus epidermidis in 57.1%; Micrococcus spp. in 14.2%; Aerobacter aerogenes in 11.4%; Proteus sp. in 8.8%, and Escherichia coli in 5.7%. It was also determined a 2.8% of each of the following bacterias; Arizona, Providence sp. and Citrobacter sp.
|1Médico Veterinario. M. S., Proyecto Cerdos y Aves, Estación Experimental La Platina. Instituto de Investigaciones Agropecuarias (INIA), Casilla 5427, Santiago, Chile. |
2Médico Veterinario, profesor auxiliar, gurpo de Patología Aviaria. Escuela de Medicina Veterinaria, Universidad de Chile, Casilla 5539, Santiago, Chile.
3Médico Veterinario, Laboratorio de Diagnóstico del Servicio Agrícola y Ganadero (SAG), Casilla 5539, Santiago, Chile.