. 2021 Aug 25;35(4):587–595. doi: 10.5713/ab.21.0213

Table 3.

Relative weight and length of organs and gastrointestinal tract of broilers feeding with different additives encapsulated at the end of the experiment

Group	CON (mean±SE)	GPA (mean±SE)	PRE (mean±SE)	PRO (mean±SE)	SYM (mean±SE)
GIT (g)	166.8±6.1^ab	165.8±4.3^a	190.3±6.8^b	184.7±5.7^ab	175.1±6.6^ab
GIT (cm)	207±2.4^ab	186.8±5.6^a	216.2±6.3^b	202.8±1.9^ab	206.4±8^ab
Liver (g)	53.4±2.7^ab	47.8±3.4^a	62.7±1.7^b	61.8±4.5^b	51.7±2.4^ab
Gallbladder (g)	2.3±0.2^a	2.3±0.1^a	2.6±0.2^a	2.1±0.2^a	2.8±0.2^a
Spleen (g)	2.8±0.3^a	2.8±0.1^a	3.5±0.4^a	2.8±0.2^a	3.0±0.3^a

CON, control; GPA, with growth-promoting antibiotic; PRE, with agave fructan capsules; PRO, with Bifidobacterium animalis capsules; SYM, with symbiotic capsules; SE, standard error; GIT, gastrointestinal tract; cm, centimeter; g, grams.

^a,b

Different letters indicate significant differences between groups (p<0.05).