Table 1.

Distribution and serotypes of Salmonella spp. in breeder farms of two integrated broiler companies

^*The litter on which the birds were kept was fully removed, and cleaning and disinfection of the house were carried out.

^†NS, not sampled.

^‡-ve, negative results in Salmonella culture.

^§Number of isolates that were positive for Salmonella/number of farms tested (%).