These studies evaluated the bacterial level of unwashed and washed shell eggs from caged and cage-free laying hens. Hy-Line W-36 …
Microbial counts (aerobic bacteria, psychrotrophs, Enterobacteriaceae, coliforms, Pseudomonas spp., Enterococcus spp.,Staphylococcus spp., and molds and yeasts) were obtained for the …
Salmonella Typhimurium has been reported to contaminate egg production across the world, but where Salmonella Enteritidis is endemic it is …
The environmental contamination by salmonella was examined over a 12-month period in 74 commercial layer flocks from eight farms in …
Contaminated eggs and egg products have been recognized for many years as an important source of Salmonella infections in humans in the European Union and in the United States. Longitudinal studies can help to increase our knowledge about the dynamics of the occurrence of Salmonella in the course of a laying period. The total of …
The reuse of poultry litter is a common practice in the Brazilian poultry industry for flocks of healthy chickens, due …
Strategic medication in breeding flocks of domestic fowl (Gallus gallus), using antimicrobial treatment followed by competitive exclusion, was evaluated in …
Two experiments were performed to evaluate the protective effect of various vaccination combinations given at 5 and 9 weeks of …
An autologous killed trivalent vaccine (3 x 10 to the power of 8, colony-forming units [CFU]), based on three Salmonella serovars (Typhimurium – serogroup B, Mbandaka – serogroup C, and Orion – serogroup E) prevalent in the flocks of Australian poultry companies, was developed using Salenvac techniques. At 20 weeks, hens vaccinated at 12 and …
A hot air assay was set up for the surface decontamination of table eggs experimentally contaminated by Salmonella enterica serovar …
1. The survival and penetration of Salmonella enterica serovar Enteritidis (SE) inoculated on the eggshell was examined upon storage for …
Two experimental models of Salmonella contamination were used in an attempt to mimic the conditions of disinfectant use on farms. …
In each of five sequential trials, laying hens (56–72 wk of age) were challenged with Salmonella and Campylobacter, and 1 …