Table 4.

The blood corticosterone, fibrinogen, albumin, and uric acid levels of broilers exposed to varied forms of physiological stress.

Parameter	Response	Group 1 (control)	Group 2 (stocking density stress)	Group 3 (feed withdrawal stress)	Level of significance
Corticosterone (ng/L)	Pre-stress	9.46±1.12	7.15±0.41	7.21±1.25	p=0.196
	Post-stress	19.93±2.11	19.15±1.52	22.52±2.86	p=0.437
Fibrinogen (mg/dL)	Pre-stress	429.71±37.56	381.70±29.77	440.34±27.32	p=0.395
	Post-stress	350.40±17.76a	487.94±11.72b	494.79±16.24b	p=0.000
Uric acid (mg/dL)	Pre-stress	2.76±0.30a	3.56±0.28b	3.66±0.27b	p=0.061
	Post-stress	3.40±0.28a	5.44±0.49b	3.67±0.20a	p=0.001
Albumin (g/dL)	Pre-stress	1.58±0.06	1.69±0.05	1.75±0.06	p=0.154
	Post-stress	1.88±0.05a	2.20±0.04b	2.11±0.04b	p=0.000
Uric acid/albumin ratio	Pre-stress	1. 74±0.18	2.14±0.19	2.11±0.15	p=0.233
	Post-stress	1.80±0.13a	2.47±0.20b	1.74±0.09a	p=0.003

^a,bAlphabetical superscripts in a row indicate a significant difference between the means (p<0.05 or p<0.01).