Table 3.

Estimated LD₅₀ and LD₉₀ for each iteration

Iteration(s)	Estimated no. of spores/animal (95% confidence interval)
	LD50	LD90
I	5.27 × 104 (3.09 × 104-7.80 × 104)	1.79 × 105 (1.06 × 105-1.78 × 106)
II	3.13 × 104 (1.69 × 104-6.83 × 106)	2.01 × 105 (5.74 × 104-1.55 × 1014)
III	7.63 × 104 (3.69 × 104-1.94 × 105)	8.54 × 105 (2.92 × 105-1.36 × 107)
I, II, III	5.01 × 104 (3.44 × 104-7.54 × 104)	4.51 × 105 (2.35 × 105-1.47 × 106)