. 2022 Apr 30;101(7):101943. doi: 10.1016/j.psj.2022.101943

Table 2.

Monitoring results of chickens and environments for Salmonella in field chicken trial.

Site	Sampling time	Samples	Bacterial isolation
Pullet houses	Before the introduction of chicks	Swabs of two pairs of shoes and boots per house	Negative
	Before the introduction of chicks	12 swabs from cages of each house	Negative
	During the introduction of chicks	24 live chicks from transportation boxes (two for each box)	Negative
		12 padding samples from transportation boxes	Negative
		Dead chicks during the transportation	Negative
	2 weeks before leaving	Swabs of two pairs of shoes and boots per house	Negative
Egg-laying houses	Before the introduction of pullets	12 swabs from cages of each house	Negative
	Before the introduction of pullets	Scrape samples on the surface of the wooden strips at each house	Negative
	At the age of weeks 15, 25, and 35	2 fecal samples (150g/sample) from the wooden strips carrying feces at each house	Negative

The samples described in the table were collected randomly, including swabs, transportation boxes, live chicks, padding samples, scrape samples, and fecal samples.