Table 2.

Glutathione peroxidase activity in seminal plasma and in avian sperm.

Species	GPx Activity (U/mL)	GPx Activity (U/109 spz)	References
Chicken	268.63 - -	44.46 35.5 mU/109 0.22–0.94	[15] [16] [17]
Turkey	372.20 20.9	31.75 -	[15] [18]
Guinea fowl	240.64	11.83	[15]
Duck	136.43	72.57	[15]
Goose	159.17	178.68	[15]