Table 1.

The timetable of the experimental design.

Groups	NC	NE	HW1
Day of the start of the experiment	0	0	0
Number of broilers per group	60	60	60
Day of challenge with Eimeria spp.	-	14	14
Days of challenge with Clostridium perfringens	-	19–21	19–21
Days of treatment with Lactobacillus plantarum	-	-	0–28
Day of the end of the experiment	28	28	28
Number of evaluated broilers per group	6	6	6