Table 1.

Bird groups in phase-1 trial.

Groups	Immunization	Total birds	Probiotic supplementation	Necropsy
1	Mock	9	N/A	Day 10
2	Pre-hatch (bacterial cells)	11	ED18	Day 10
3	Post-hatch (bacterial cells)	10	day-post- hatch 2, 4, 6	Day 10
4	Pre and post-hatch (bacterial cells)	11	ED18, day-post- hatch 2, 4, 6	Day 10
5	Pre and post-hatch (suspension)	11	ED18, day-post- hatch 2, 4, 6	Day 10