Table 1. A number of Vietnamese indigenous Ri chickens in each group

Sample	Genotype
Ri chicken (40)	Resistant (Mx/A and BF2/B21)				Susceptible (Mx/G and BF2/B13)
	Control		HPAIV infected		Control		HPAIV infected
	Day 1	Day 3	Day 1	Day 3	Day 1	Day 3	Day 1	Day 3
	5	5	5	5	5	5	5	5