Table 6. Effects of supplemental different minerals on bacteria counts in cecum and feces in broiler chickens under cyclic heat stress

Items (Log₁₀ CFU/g)	NC	PC	ILT	ZLT	OC	SE	p-value
Cecum
Escherichia coli	7.38^b	7.93^a	7.82^ab	7.39^b	7.81^ab	0.11	0.002
Lactobacillus	9.26^a	8.54^b	8.71^ab	9.23^a	8.49^b	0.17	0.003
Salmonella	7.42	7.63	7.47	7.46	7.44	0.07	0.322
Feces
Escherichia coli	7.40^b	7.82^a	7.65^ab	7.50^b	7.66^a	0.07	0.005
Lactobacillus	9.03^a	8.64^b	8.66^b	9.00^a	8.71^ab	0.08	0.002
Salmonella	7.43	7.69	7.62	7.64	7.64	0.10	0.414

Means within column with different superscripts differ significantly (p < 0.05).
NC, basal diet; PC, NC and start of heat stress at the 2nd week; ILT, PC + 1% of illite; ZLT, PC + 1% of zeolite; OC, PC + 400 ppb of organic chromium.
SE, standard error.