Table-3.

Changes in the absolute concentrations of total serum protein and protein fractions (g/l) in broiler chickens during the fattening period (mean±SE).

Variables	Age of chickens				p-value
	Day 4	Day 18	Day 32	Day 46
TP	28.0±1.21a	31.0±1.07a,b	33.2±1.89b	29.2±0.68a,b	<0.05
Pre-albumin	0.45±0.03a,b	0.37±0.04a	0.48±0.03a,b	0.58±0.07b	<0.05
Albumin	9.4±0.45a	11.3±0.39b	13.0±0.39b	11.6±0.61b	<0.001
a1-globulins	1.5±0.12a	2.5±0.28b	2.4±0.19b	2.2±0.21a,b	<0.01
a2-globulins	8.5±0.48a	8.8±0.32a	7.6±0.29a,b	7.0±0.16b	<0.01
b- globulins	2.1±0.15	2.5±0.20	4.3±1.15	2.2±0.21	n.s
g- globulins	6.2±0.43	5.5±0.42	5.5±0.21	5.5±0.29	n.s

p-value–significance of the ANOVA test, n.s=Not significant, SE=Standard error of mean,

^a,b=Different superscripts in rows mean statistically significant difference between the sample collections (Tukey’s test, level of significance–p<0.05), TP=Total protein