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  • Title: Estimation of the prevalence of Salmonella species on the slatted area compared to the scratch area of broiler breeder chicken houses.
    Author: Behnke EL, Hofacre CL, Berghaus RD.
    Journal: Avian Dis; 2013 Sep; 57(3):634-9. PubMed ID: 24283129.
    Abstract:
    With the objective of detecting Salmonella species in the poultry house environment, sampling broiler breeder houses in the two-thirds slatted area and the one-third scratch area with pine shavings bedding can be difficult. The slatted area is where the females, consisting of approximately 90% of the population, eat, drink, and spend the majority of their time. The scratch area is where the males eat and drink, as well as where mating and mortality occur. Besides the nest boxes, the female feeders and water lines make the slatted areas more difficult to sample. However, it is important to take samples from the area with the greatest likelihood of isolating Salmonella. Therefore, boot swab samples were collected from 21 commercial broiler breeder chicken houses representing three different companies in north Georgia to estimate the prevalence of Salmonella on the slat vs. the scratch area in each chicken house. Every house sampled had a central scratch area covered with litter and two elevated slat areas constructed of wood. Four boot swab samples were collected on each side slat area by walking the entire length of the house for each swab. Eight samples were collected in the same manner from the scratch area. Results of 335 total samples were acquired, 167 of which were obtained from the slat area and 168 of which came from the scratch area, yielding 242 total Salmonella isolations. Salmonella was found in 117 of the slat samples, representing 70.1%, compared to 125 of the scratch area samples, representing 74.4%. Both the univariate (P = 0.311) and the multivariable (P = 0.303) analysis showed that sampling location was not associated with Salmonella prevalence.
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