Fig. 2From: Shedding of Salmonella Typhimurium in vaccinated and unvaccinated hens during early lay in field conditions: a randomised controlled trialPrevalence (%) of Salmonella Typhimurium in faecal samples during early lay in production shed, at each sampling point, fresh faecal samples (n = 10 each from vaccinated and unvaccinated groups) from Farm A and B were collected. Binomial Exact 95% confidence intervals are reportedBack to article page