Research Article

The Effects of Lactobacillus farciminis and Lactobacillus rhamnosus on Growth, Blood Biochemical, and Meat Quality Indicators of Specific Pathogen-Free Broiler Chickens

Table 2

Mean and 95% confidence interval of the live body weight, average daily weight gain, cumulative feed intake, and feed conversion ratio of broilers until day 35.

ParametersPeriods (day)Control group mean (95% confidence interval)Probiotic group mean (95% confidence interval)

Live body weight (g)043.8 (42.1–45.5)44.5 (42.5–46.4)0.945
7229.2 (225.6–232.8)216.7 (216.4–223.1)0.831
14582.2 (572.8–591.5)588.6 (578.9–598.1)0.834
211154.1 (1136.7–1171.5)1166.2 (1147.4–1184.9)0.979
281957.7 (1931.0–1984.4)1961.9 (1935.0–1988.9)0.989
352828.0 (2784.2–2871.8)2835.7 (2791.7–2879.7)0.947

Average daily weight gain (g)1–723.8 (17.7–29.9)23.5 (18.9–28.0)0.867
8–1453.0 (43.9–62.0)54.1 (41.6–66.6)0.770
15–2183.7 (66.4–101.1)85.1 (62.0–108.3)0.845
22–28112.7 (90.6–134.8)111.0 (87.3–134.7)0.833
29–35124.3 (110.6–138.0)124.8 (99.6–149.9)0.947

Cumulative feed intake (g)1–7219.2 (206.3–232.1)218.3 (205.9–230.6)0.829
8–14640.2 (600.8–679.7)639.1 (592.3–681.9)0.832
15–211323.6 (1225.5–1421.7)1322.8 (1234.6–1410.9)0.979
22–282344.9 (2284.7–2405.1)2344.9 (2263.2–2426.6)0.999
29–353620.3 (3456.2–3784.5)3601.9 (3346.1–3857.8)0.807

Feed conversion ratio1–71.0 (0.8–1.3)1.0 (0.8–1.2)0.998
8–141.1 (0.9–1.3)1.1 (0.9–1.3)0.794
15–211.1 (0.9–1.3)1.1 (0.9–1.3)0.835
22–281.2 (1.1–1.3)1.2 (1.1–1.3)0.944
29–351.3 (1.2–1.4)1.3 (1.2–1.4)0.757