Impact of buffered sodium butyrate as a partial or total dietary alternative to lincomycin on performance, IGF-1 and TLR4 genes expression, serum indices, intestinal histomorphometry, Clostridia, and litter hygiene of broiler chickens

Table 5 Influence of dietary sodium butyrate and lincomycin on carcass characteristics and immune organs of broiler chickens (day 35)

Groups	Dressing (%)	Breast (%)	Thigh (%)	Drum (%)	Liver (%)	Gizzard (%)	Heart (%)	Spleen (%)	Bursa (%)
T1	71.76^c	23.79	19.08	9.81^b	2.71^ab	1.15	0.57	0.14	0.23
T2	74.03^bc	23.66	19.82	10.61^a	2.87^ab	1.04	0.58	0.15	0.22
T3	74.17^bc	23.83	20.51	10.63^a	2.56^b	1.14	0.56	0.14	0.22
T4	77.13^a	25.43	20.37	10.35^a	2.98^a	1.00	0.55	0.14	0.22
T5	74.61^ab	24.32	20.83	10.30^a	3.00^a	1.10	0.60	0.14	0.21
SEM¹	0.43	0.29	0.22	0.08	0.05	0.03	0.01	0.01	0.01
P- value	0.0001	0.280	0.086	0.0001	0.016	0.447	0.734	0.976	0.948

^a,b,c Mean values with different superscripts in the same column indicate significant difference (Tukey’s test; P ≤ 0.05)
T1: Control - basal diet; T2: Butirex C4 1 kg/ton in starter feed (0-15d) and then 0.5 kg/ton in grower and finisher feed; T3: Lincomix recommended dose (100 g/ton); T4: Lincomix half the recommended dose (50 g/ton) + Butirex C4 0.5 kg/ton at 0-15d and then 0.25 kg/ton; T5: Lincomix half the recommended dose (50 g/ton) + Butirex C4 1 kg/ton at 0-15d and then 0.5 kg/ton
¹ SEM: Standard error of mean
Number of sampled birds (N) = 5 birds/group

ISSN: 1751-0147