Table 2.
Effect of dietary supplementation of probiotic complex on growth performance, feed intake and feed conversion ratio(FCR) in broiler chicks

Item	Diets¹
Item	CON	PC1	PC2
Initial BW	86.68±0.45	87.42±0.67	87.08±0.78
4~21 days
BW	1,005.87±51.06	988.03±27.71	998.67±42.99
Gain	919.08±50.70	900.61±27.56	911.43±42.71
Feed intake	1,193.01±43.62	1,199.83±34.20	1,191.54±53.70
FCR	1.30±0.05	1.33±0.02	1.31±0.01
22~35 days
BW	2,355.18±77.76	2,348.45±70.62	2,392.69±59.71
Gain	1,347.45±54.99	1,360.74±73.66	1,392.87±76.85
Feed intake	1,871.89±73.38	1,893.67±26.63	1,873.40±64.44
FCR	1.39±0.05	1.40±0.07	1.35±0.09
4~35 days
Total gain	2,266.53±74.32	2,261.35±71.42	2,304.31±55.55
Total feed intake	3,064.90±94.88	3,093.49±50.30	3,064.94±77.05
Total FCR	1.35±0.03	1.37±0.05	1.33±0.05

CON (basal diet), PC1 (basal diet supplemented with 0.25% of probiotic complex; L. plantarum, 1 × 10⁶, B. subtilis 1 × 10⁶, and Saccharomyces cerevisiae 1 × 10⁶) and PC2 (basal diet supplemented with 0.5% of probiotic complex; L. plantarum, 1 × 10⁶, and B. subtilis 1 × 10⁶, Saccharomyces cerevisiae 1 × 10⁶).