. 2022 Jun 23;9:847580. doi: 10.3389/fvets.2022.847580

Table 6.

Effects of dietary supplementation of different levels of eugenol nanoemulsion on serum immunological parameters of broilers post challenge with E. coli O78.

Experimental group		1st week post challenge			3rd week post challenge
		LYZ (U/ml)	MPO (U/L)	NO (μmol/L)	LYZ (U/ml)	MPO (U/L)	NO (μmol/L)
Eugenol (mg/kg)	PC	217.49^a	47.47^a	8.90^a	148.80^a	30.47^a	9.40^a
	NC	144.75^d	33.50^c	6.23^c	104.72^d	24.46^b	3.88^d
	100	171.47^b	37.87^b	7.13^b	127.08^b	31.63^a	5.32^c
	250	157.15^c	32.97^c	6.53^bc	120.94^bc	28.53^b	4.68^cd
	400	151.33^cd	32.40^c	6.33^c	113.13^cd	26.17^b	3.35^d
	P-value	<0.001	<0.001	0.03	0.04	<0.001	<0.001
	SEM	0.02	2.01	1.06	0.92	0.04	0.11

PC (positive control), birds fed basal diet and challenged with E. coli O78 at 14 days of age; NC (negative control), birds fed basal diet; LYZ, lysozyme; MPO, myeloperoxidase; NO, nitric oxide. Means with different superscripts within the same row differ significantly (P < 0.05).