Rhomboid protein 2 of Eimeria maxima provided partial protection against infection by homologous species

Table 3 Protective efficacy of rEmROM2 and pVAX1-EmROM2 against challenge with E. maxima.

Groups	Average body weight gain (g)	Relative body weight gain (%)	Mean lesion scores	Average OPG (× 10⁵)	Oocyst decrease ratio (%)	ACI
rEmROM2	50.25 ± 6.33^b	88.30^b	1.67 ± 0.65^b	0.51 ± 0.68^b	73.33^b	170.60
pET-32a control	29.46 ± 11.25^c	51.77^c	2.66 ± 0.93^c	2.15 ± 0.97^c	4.44^c	85.17
Challenged control	27.21 ± 8.52^c	47.81^c	2.84 ± 0.88^c	2.25 ± 0.94^c	0^c	79.41
Unchallenged control	56.91 ± 10.24^a	100^a	0 ± 0^a	0 ± 0^a	100^a	200
pVAX1-EmROM2	63.84 ± 8.80^b	80.54^b	1.68 ± 0.99^b	0.57 ± 0.31^b	79.72^b	162.74
pVAX1 control	38.19 ± 15.39^c	48.15^c	2.75 ± 0.62^c	2.80 ± 0.16^c	0.36^c	80.65
Challenged control	39.28 ± 9.72^c	49.53^c	2.83 ± 0.72^c	2.81 ± 0.13^c	0^c	81.23
Unchallenged control	79.32 ± 9.59^a	100^a	0 ± 0^a	0 ± 0^a	100^a	200

Significant difference (p < 0.05) between data was annotated with different letters in the same column. No significant difference (p > 0.05) between data was annotated with the same letter in the same column.

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