Table 2 Evaluation of copper acetate (CA), curcumin (CR) and copper acetate – curcumin (CA-CR) on cecal tonsils (CT) colonization of Salmonella Typhimurium¹ and serum concentration of fluorescein isothiocyanate-dextran (FITC-d) in broiler chickens on day ten post-S. Typhimurium challenge² in trial 1 and trial 2

CTRL (−)

0.00 ± 0.00 ^d

17.03 ± 5.44 ^b

CTRL (+)

6.18 ± 0.33 ^a

54.99 ± 10.51 ^a

CA

4.99 ± 0.32 ^b

35.19 ± 8.80 ^ab

CR

3.92 ± 0.55 ^bc

17.60 ± 7.50 ^b

CA-CR

3.76 ± 0.54 ^c

32.99 ± 10.34 ^ab

SEM³

0.33

4.18

P-value

0.000

0.020

CTRL (−)

0.00 ± 0.00 ^d

19.80 ± 9.26 ^b

CTRL (+)

6.09 ± 0.276 ^a

59.38 ± 9.81 ^a

CA

4.94 ± 0.32 ^b

32.99 ± 11.31 ^ab

CR

3.91 ± 0.19 ^c

15.40 ± 7.60 ^b

CA-CR

3.78 ± 0.31 ^c

39.59 ± 15.06 ^ab

SEM³

0.30

5.13

P-value

0.000

0.048