Table 5.

Grouping of animals in the safety trial for the heat-resistant freeze-dried protective agent.

Group	Number of Ducks	Immunization Route	Immunizing Dose	Number of Ducks Who Died	Weight Gain of Ducks (g)
					Pre-Immune	14 Days after Immunization	Weight Gain
1	20	Subcutaneously inoculated	10 times	0/20	60.33 ± 3.72 a	565.17 ± 11.88 a	504.83 ± 8.16 a
2	20	Intramuscular inoculated	10 times	0/20	59.83 ± 3.02 a	563.67 ± 16.68 a	503.84 ± 13.75 a
Empty control group	20	Empty control	Not immunized	0/20	59.66 ± 3.32 a	565.33 ± 13.39 a	505.67 ± 10.07 a

a: Indicates that the difference is not significant.