. 2021 Jun 24;35(3):475–483. doi: 10.5713/ab.20.0812

Table 4.

Serum oxidative parameters in commercial broiler fed different methyl donors in diets containing no supplemental methionine

Treatment	Lipid peroxidase (nM MDA/mg protein)	Glutathione peroxidase (U/mL)	RBC catalase (U/g Hb)
CD	1.353^C	76.29^AB	586.8^A
BD	1.671^A	69.62^B	396.3^B
FA (4 mg/kg)	1.690^A	67.98^B	375.9^B
Biotin (1.5 mg/kg)	1.590^B	79.66^A	529.5^A
Vit. B₁₂ (0.1 mg/kg)	1.369^C	79.41^A	431.5^B
Betaine (0.2%)	1.431^C	67.46^B	539.5^A
N	10	10	10
P	0.001	0.001	0.001
SEM	0.0223	1.556	15.26

MDA, malonyl dialdehyde; RBC, red blood cells; CD, control diet; BD, basal diet; FA, folic acid; P, probability; SEM, standard error mean.

^A–C

Means having no common super script in a column differ significantly (p<0.05).