. 2017 Sep 15;8(3):259–264.

Table 3.

Effect of chromium picolinate and chromium nanoparticles supplementation on ELISA titers of infectious bronchitis. Data are presented as mean ± SEM

Groups	21 days	28 days	35 days	42 days
Control	1245.00 ± 204.04	2371.00 ± 1137.96	2399.50 ± 308.90^abc	2576.00 ± 708.70^a
Heat stress	1162.50 ± 354.40	1836.00 ± 385.06	1600.00 ± 361.41^e	1454.00 ± 216.50^b
500 ppb CrPic	1437.50 ± 337.20	1950.30 ± 376.85	1808.00 ± 251.47^de	1500.00 ± 457.10^b
1000 ppb CrPic	1275.00 ± 64.59	2187.80 ± 1414.70	2338.30 ± 218.65^bc	2100.00 ± 338.50^a
1500 ppb CrPic	1237.50 ± 75.00	2402.00 ± 2069.07	2885.80 ± 141.79^a	2328.00 ± 680.20^a
500 ppb Nano-CrPic	1362.00 ± 375.70	2071.00 ± 1314.02	2446.00 ± 179.44^cd	2279.00 ± 480.00^a
1000 ppb Nano-CrPic	1417.50 ± 56.80	2619.00 ± 1136.29	2899.30 ± 463.37^a	2823.00 ± 313.70^a
1500 ppb Nano-CrPic	1335.00 ± 50.66	2159.00 ± 705.41	2771.50 ± 397.31^ab	2331.80 ± 669.00^a
Significant	NS	NS

abcde: Different superscript letters indicate significant differences on each column at p < 0.05; NS: Non-significant,

: Significant.