Table 2.

Biochemical parameters in plasma.

	Control	Heat stress	Pooled SEM	Significance
Calcium, mg/dL	23.8	17.7	1.32	*
Phosphate, mg/dL	4.75	2.57	0.33	*
Blood urea nitrogen, mg/dL	0.71	0.59	0.038	-
Albumin, mg/dL	2.32	2.02	0.058	*
Creatinine, mg/dL	0.037	0.056	0.003	*

*P < 0.05 indicates statistical significance.

Plasma contents refers to the average of each hen group (n = 10).