Table.4.

Oxidative stress markers in relation to single and mixed infection of external parasites.

Parasite	Oxidative stress markers
	Nitric oxide	MDA serum	Zinc
P. canariensis	95.57 ± 3.67	78.38 ± 5.17	54.04 ± 2.85
H. equina	120.56 ± 4.56	88.38 ± 4.49	36.77 ± 1.32
C. columbae	67.98 ± 7.00	30.33 ± 3.35	100.24 ± 1.00
M. gallinae	56.89 ± 3.76	33.56 ± 3.46	110.52 ± 2.96
D. gallinae	79.89 ± 5.99	50.33 ± 1.03	33.57 ± 2.82
Knemidocoptes spp.	80.14 ± 6.33	52.35 ± 1.67	34.66 ± 3.62
P. canariensis + H. equina	145.89 ± 9.43	100.30 ± 6.48	28.89 ± 1.52
P. canariensis + C. columbae	110.00 ± 3.59	98.33 ± 2.45	59.97 ± 3.95
C. columbae + M. gallinae	74.49 ± 9.32	60.38 ± 2.98	100.67 ± 2.96
P. canariensis + C. columbae + M. gallinae	160.84 ± 3.57	98.89 ± 2.78	34.56 ± 2.96
Control	49.78 ± 0.95	27.89 ± 0.69	118.00 ± 0.94