. 2024 Dec 28;20:584. doi: 10.1186/s12917-024-04411-2

Table 2.

The effect of heat stress on serum ion concentrations in AA broiler chickens of different days of age

Items		Group		P-value
Items		TN	HS	P-value
Na⁺(mmol/L)	35days	148.77 ± 1.77^a	142.18 ± 3.03^c	0.004
Na⁺(mmol/L)	42days	148.19 ± 2.09^a	139.40 ± 2.63^b	0.012
K⁺(mmol/L)	35days	4.75 ± 0.39^a	4.08 ± 0.42^c	0.001
K⁺(mmol/L)	42days	4.22 ± 0.75^a	4.01 ± 0.49^b	0.071
Cl^-(mmol/L)	35days	101.05 ± 4.33	98.63 ± 1.02	0.437
Cl^-(mmol/L)	42days	97.89 ± 2.50	96.88 ± 1.78	0.605
HCO₃^-(mmol/L)	35days	21.25 ± 0.21^a	18.61 ± 0.71^c	0.001
HCO₃^-(mmol/L)	42days	21.65 ± 0.30^a	19.74 ± 0.26^b	0.016

Note: Distinct consecutive letters for the same ion concentration signify noteworthy disparities (P < 0.05), letters at distinct intervals suggest very substantial disparities (P < 0.01) and the same or absence of a letter denotes NS (P > 0.05)