Table 2.

Time scale of phage application and samples

Age of birds (days)	Step(s) in field triala:
	1	2	3
27		C
28			C
30
31			x, P
32		x, P	x
33		x
34	C	x
35			x
36	x, P	x
37	x
38		X	X
42	X

^aAbbreviations: P, phage cocktail application (after fecal sampling); x, fecal samples for phage and Campylobacter counts; X, cecal samples at slaughter for phage and Campylobacter counts; C, initial sampling to confirm Campylobacter presence.